Dust season, month by month around the world

Spring dust and sandstorms; sensitive lungs stay in.

This is a warning page, not a recommendation. Dust season covers 64 destinations on SeasonMap; the months below are the ones in which the risk window is open — most weeks in them pass quietly, and the score beside each place is still the ordinary climate score, hazard and all.

← All seasons · The world's calendar

When it is on

Number of destinations with dust season on in that month. Windows move a little each year.

Dust season in January

  1. 🇪🇸 Las Palmas, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust rides in on an easterly several times a year, most often in late winter, dropping visibility and pushing the temperature up sharply for a day or two.92climate
  2. 🇪🇸 Lanzarote, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust crosses on an easterly a few times each winter and spring, hazing the volcanoes out and occasionally closing the airport.91climate
  3. 🇸🇳 Dakar, SenegalSaharan dust season · 1 Dec – 28 Feb (usually)Dust off the Sahara crosses the Cap-Vert peninsula through the cool months and drops the visibility to a few kilometres for days at a time.89climate
  4. 🇪🇸 Fuerteventura, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust blows across from Africa a few times each winter and spring, dropping visibility to a few hundred metres and occasionally grounding flights.89climate
  5. 🇲🇷 Nouakchott, MauritaniaSand and dust season · 25 Nov – 15 Apr (usually)The harmattan carries Saharan sand straight over the city and the dunes keep working their way into the eastern quarters.88climate
  6. 🇨🇻 Boa Vista, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)The Saharan haze Cape Verdeans call bruma seca hits the eastern islands hardest, and Boa Vista sits closest to the African coast.87climate
  7. 🇨🇻 Praia, Cabo VerdeBruma seca dust haze · 15 Nov – 15 Mar (usually)Saharan dust crosses the archipelago in the cool months and turns the sky milky for days at a time.86climate
  8. 🇳🇪 Niamey, NigerHarmattan · 25 Nov – 28 Feb (usually)The coolest and driest weeks of the year, and the dustiest: a north-easterly off the Sahara, cold enough for a jacket at dawn, and a haze that never fully lifts.86climate
  9. 🇹🇩 N'Djamena, ChadHarmattan · 25 Nov – 10 Mar (usually)Sahelian dust on a north-easterly, cold mornings and a sky the colour of weak tea.86climate
  10. 🇨🇻 Sal, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)Saharan haze reaches the eastern islands in the cool months and can grey out a week of otherwise faultless weather.86climate
  11. 🇸🇳 Saint-Louis, SenegalSaharan dust · 1 Dec – 28 Feb (usually)Dust off the desert crosses the river mouth through the cool months and drops the visibility for days at a time.85climate
  12. 🇲🇱 Bamako, MaliHarmattan · 25 Nov – 15 Mar (usually)The Saharan wind arrives from the north-east in late November and stays until spring: dry air, a sky that never quite clears, and red dust over everything in the unpaved quarters.84climate
  13. 🇧🇫 Ouagadougou, Burkina FasoHarmattan · 15 Nov – 20 Feb (usually)The full Sahelian version: a permanent film of dust, a sun you can look straight at, and mornings cold enough for a coat.83climate
  14. 🇳🇬 Abuja, NigeriaHarmattan · 1 Dec – 20 Feb (usually)Saharan dust reaches the middle belt properly: a flat white sky, dust on every surface, and mornings cold enough for a jacket.80climate
  15. 🇸🇱 Freetown, Sierra LeoneHarmattan haze · 1 Dec – 20 Feb (usually)Saharan dust reaches this far down the coast through the driest weeks and takes the view of the hills with it.78climate
  16. 🇬🇲 Banjul, GambiaHarmattan haze · 1 Dec – 1 Mar (usually)Saharan dust drifts down the coast through the cool months and flattens the light for days at a time.78climate
  17. 🇬🇳 Conakry, GuineaHarmattan and the dry months · 1 Dec – 15 Apr (usually)The harmattan takes over in December and the rain effectively stops.76climate
  18. 🇬🇭 Kumasi, GhanaHarmattan · 1 Dec – 15 Feb (usually)Inland Ashanti gets the harmattan properly, not the coastal version: cold mornings, cracked skin, a red haze over the city and dust through every open window on the road to Accra.75climate
  19. 🇱🇷 Monrovia, LiberiaHarmattan haze · 10 Dec – 10 Feb (usually)A weak version of the Sahelian harmattan reaches the coast for a few weeks: hazy horizons, cooler nights and dry air, which after six months of rain is a relief more than a nuisance.72climate
  20. 🇬🇭 Cape Coast, GhanaHarmattan haze · 1 Dec – 15 Feb (usually)The coast gets a diluted version of the northern harmattan: a milky sky, dry skin and dust on the castle whitewash.71climate
  21. 🇧🇯 Cotonou, BeninHarmattan haze · 5 Dec – 10 Feb (usually)The coast gets a thinned-down version of the northern harmattan: a flat white sky, dry air off the Sahara and dust on everything left out on the balcony.70climate
  22. 🇹🇬 Lomé, TogoHarmattan haze · 5 Dec – 15 Feb (usually)The coastal version of the Saharan wind: white sky, dry air, dust settling on the beach bars and the border traffic at Aflao.69climate
  23. 🇬🇭 Accra, GhanaHarmattan haze · 5 Dec – 10 Feb (usually)The coast gets a diluted version of the northern harmattan: hazy horizons, dry skin, and a fine dust on everything left outside.68climate
  24. 🇨🇮 Abidjan, Côte d'IvoireHarmattan haze · 10 Dec – 15 Feb (usually)Abidjan sits at the far southern edge of the harmattan.68climate

What's on around the world in January

Dust season in February

  1. 🇪🇸 Las Palmas, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust rides in on an easterly several times a year, most often in late winter, dropping visibility and pushing the temperature up sharply for a day or two.92climate
  2. 🇸🇳 Dakar, SenegalSaharan dust season · 1 Dec – 28 Feb (usually)Dust off the Sahara crosses the Cap-Vert peninsula through the cool months and drops the visibility to a few kilometres for days at a time.91climate
  3. 🇪🇸 Lanzarote, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust crosses on an easterly a few times each winter and spring, hazing the volcanoes out and occasionally closing the airport.91climate
  4. 🇪🇸 Fuerteventura, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust blows across from Africa a few times each winter and spring, dropping visibility to a few hundred metres and occasionally grounding flights.89climate
  5. 🇨🇻 Praia, Cabo VerdeBruma seca dust haze · 15 Nov – 15 Mar (usually)Saharan dust crosses the archipelago in the cool months and turns the sky milky for days at a time.88climate
  6. 🇨🇻 Sal, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)Saharan haze reaches the eastern islands in the cool months and can grey out a week of otherwise faultless weather.88climate
  7. 🇨🇻 Boa Vista, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)The Saharan haze Cape Verdeans call bruma seca hits the eastern islands hardest, and Boa Vista sits closest to the African coast.88climate
  8. 🇲🇷 Nouakchott, MauritaniaSand and dust season · 25 Nov – 15 Apr (usually)The harmattan carries Saharan sand straight over the city and the dunes keep working their way into the eastern quarters.85climate
  9. 🇸🇳 Saint-Louis, SenegalSaharan dust · 1 Dec – 28 Feb (usually)Dust off the desert crosses the river mouth through the cool months and drops the visibility for days at a time.83climate
  10. 🇸🇱 Freetown, Sierra LeoneHarmattan haze · 1 Dec – 20 Feb (usually)Saharan dust reaches this far down the coast through the driest weeks and takes the view of the hills with it.77climate
  11. 🇹🇩 N'Djamena, ChadHarmattan · 25 Nov – 10 Mar (usually)Sahelian dust on a north-easterly, cold mornings and a sky the colour of weak tea.75climate
  12. 🇳🇪 Niamey, NigerHarmattan · 25 Nov – 28 Feb (usually)The coolest and driest weeks of the year, and the dustiest: a north-easterly off the Sahara, cold enough for a jacket at dawn, and a haze that never fully lifts.73climate
  13. 🇬🇳 Conakry, GuineaHarmattan and the dry months · 1 Dec – 15 Apr (usually)The harmattan takes over in December and the rain effectively stops.72climate
  14. 🇳🇬 Abuja, NigeriaHarmattan · 1 Dec – 20 Feb (usually)Saharan dust reaches the middle belt properly: a flat white sky, dust on every surface, and mornings cold enough for a jacket.70climate
  15. 🇲🇱 Bamako, MaliHarmattan · 25 Nov – 15 Mar (usually)The Saharan wind arrives from the north-east in late November and stays until spring: dry air, a sky that never quite clears, and red dust over everything in the unpaved quarters.69climate
  16. 🇬🇲 Banjul, GambiaHarmattan haze · 1 Dec – 1 Mar (usually)Saharan dust drifts down the coast through the cool months and flattens the light for days at a time.69climate
  17. 🇱🇷 Monrovia, LiberiaHarmattan haze · 10 Dec – 10 Feb (usually)A weak version of the Sahelian harmattan reaches the coast for a few weeks: hazy horizons, cooler nights and dry air, which after six months of rain is a relief more than a nuisance.68climate
  18. 🇬🇭 Kumasi, GhanaHarmattan · 1 Dec – 15 Feb (usually)Inland Ashanti gets the harmattan properly, not the coastal version: cold mornings, cracked skin, a red haze over the city and dust through every open window on the road to Accra.68climate
  19. 🇬🇭 Cape Coast, GhanaHarmattan haze · 1 Dec – 15 Feb (usually)The coast gets a diluted version of the northern harmattan: a milky sky, dry skin and dust on the castle whitewash.68climate
  20. 🇧🇫 Ouagadougou, Burkina FasoHarmattan · 15 Nov – 20 Feb (usually)The full Sahelian version: a permanent film of dust, a sun you can look straight at, and mornings cold enough for a coat.67climate
  21. 🇬🇭 Accra, GhanaHarmattan haze · 5 Dec – 10 Feb (usually)The coast gets a diluted version of the northern harmattan: hazy horizons, dry skin, and a fine dust on everything left outside.66climate
  22. 🇹🇬 Lomé, TogoHarmattan haze · 5 Dec – 15 Feb (usually)The coastal version of the Saharan wind: white sky, dry air, dust settling on the beach bars and the border traffic at Aflao.66climate
  23. 🇧🇯 Cotonou, BeninHarmattan haze · 5 Dec – 10 Feb (usually)The coast gets a thinned-down version of the northern harmattan: a flat white sky, dry air off the Sahara and dust on everything left out on the balcony.66climate
  24. 🇨🇮 Abidjan, Côte d'IvoireHarmattan haze · 10 Dec – 15 Feb (usually)Abidjan sits at the far southern edge of the harmattan.64climate
  25. 🇪🇸 Sierra Nevada, SpainCalima on the snow · 15 Feb – 15 Jun (usually)Saharan dust blows north over Andalusia most often in spring, turning the sky orange and leaving the pistes pink.58climate

What's on around the world in February

Dust season in March

  1. 🇪🇬 Cairo, EgyptKhamaseen dust winds · 1 Mar – 31 May (usually)Hot southerly winds carry Saharan dust over the city for a day or two at a time, closing the horizon and grounding the view from the Giza plateau.95climate
  2. 🇪🇸 Lanzarote, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust crosses on an easterly a few times each winter and spring, hazing the volcanoes out and occasionally closing the airport.95climate
  3. 🇯🇴 Dead Sea, JordanKhamsin dust winds · 15 Mar – 31 May (usually)Hot southerlies off the desert push dust up the rift for a few days at a time in spring, dropping the visibility across the water to nothing and coating everything left outside.94climate
  4. 🇪🇸 Las Palmas, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust rides in on an easterly several times a year, most often in late winter, dropping visibility and pushing the temperature up sharply for a day or two.93climate
  5. 🇪🇬 Alexandria, EgyptKhamaseen dust winds · 1 Mar – 15 May (usually)Hot southerlies off the desert push dust over the city for a day or two at a time in spring, and the sea haze holds it in.93climate
  6. 🇮🇶 Baghdad, IraqShamal dust storms · 15 Mar – 30 Jun (usually)North-westerlies lift the dried marsh and desert soil; a bad day turns the sky orange and grounds flights at Baghdad International.92climate
  7. 🇱🇾 Tripoli, LibyaThe ghibli · 1 Mar – 31 May (usually)A hot, dust-laden southerly off the desert that can lift the temperature sharply in a few hours and leave grit on everything.92climate
  8. 🇪🇸 Fuerteventura, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust blows across from Africa a few times each winter and spring, dropping visibility to a few hundred metres and occasionally grounding flights.91climate
  9. 🇨🇻 Boa Vista, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)The Saharan haze Cape Verdeans call bruma seca hits the eastern islands hardest, and Boa Vista sits closest to the African coast.91climate
  10. 🇨🇻 Praia, Cabo VerdeBruma seca dust haze · 15 Nov – 15 Mar (usually)Saharan dust crosses the archipelago in the cool months and turns the sky milky for days at a time.90climate
  11. 🇨🇻 Sal, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)Saharan haze reaches the eastern islands in the cool months and can grey out a week of otherwise faultless weather.90climate
  12. 🇲🇦 Merzouga, MoroccoSpring sandstorms · 15 Mar – 31 May (usually)The wind gets up in spring and the dunes move with it: gritty air for days at a time, camps struck early and the road east regularly half-buried.89climate
  13. 🇯🇴 Petra, JordanKhamsin dust days · 15 Mar – 31 May (usually)Hot southerly winds pull desert dust over the escarpment for a few days at a stretch in spring, turning the rock flat brown and the light useless for photographs.88climate
  14. 🇸🇦 Riyadh, Saudi ArabiaSpring dust storms · 1 Mar – 31 May (usually)The wind off the interior turns the sky ochre for a day or two at a stretch, cancelling flights and putting sand through every window frame.87climate
  15. 🇨🇾 Nicosia, CyprusSpring dust episodes · 1 Mar – 31 May (usually)Dust off Syria and the Sahara reaches the island several times each spring and it hangs in the Mesaoria basin longer than on the coast.86climate
  16. 🇮🇱 Jerusalem, IsraelSharav dust days · 1 Mar – 31 May (usually)Hot desert winds push dust over the hills for a few days at a stretch in spring and again in autumn, turning the light brown and the view from the Mount of Olives into nothing.85climate
  17. 🇪🇸 Málaga, SpainCalima dust · 1 Mar – 31 Aug (usually)Saharan dust rides in on a southerly and turns the sky orange and the parked cars brown for a day or two at a time, most often in spring and again at the height of summer.85climate
  18. 🇺🇸 Albuquerque, United StatesSpring wind and blowing dust · 1 Mar – 31 MayThe windiest stretch of the year across the Rio Grande valley, with afternoon gusts that lift dust off the mesa and shut down balloon flights and small aircraft.84climate
  19. 🇪🇬 Luxor, EgyptKhamaseen dust winds · 1 Mar – 15 May (usually)Spring southerlies fill the valley with sand for a day or two at a time and ground the dawn balloon flights.83climate
  20. 🇲🇷 Nouakchott, MauritaniaSand and dust season · 25 Nov – 15 Apr (usually)The harmattan carries Saharan sand straight over the city and the dunes keep working their way into the eastern quarters.83climate
  21. 🇦🇪 Abu Dhabi, United Arab EmiratesShamal dust season · 1 Mar – 15 Jun (usually)The northwesterly shamal blows for a day or three at a time in spring and takes the skyline with it; flights hold, the sea turns brown and anyone with a chest keeps indoors.82climate
  22. 🇨🇳 Hotan, ChinaSpring dust season · 1 Mar – 31 May (usually)Hotan sits on the southern rim of the Taklamakan and spring is when the desert moves.82climate
  23. 🇸🇾 Damascus, SyriaKhamsin dust winds · 15 Mar – 31 May (usually)The spring southerly arrives with a jump in temperature and a sky the colour of weak tea, usually two or three days at a time before it clears.82climate
  24. 🇪🇬 Aswan, EgyptKhamaseen dust winds · 1 Mar – 31 May (usually)Hot southerly winds pick up desert sand for a day or two at a time and the far bank of the Nile disappears behind it.82climate
  25. 🇸🇦 Jeddah, Saudi ArabiaDust and sandstorm season · 1 Mar – 31 Jul (usually)Spring winds carry interior dust out over the Red Sea coast, whiting out the sky for a day or two at a time and holding flights on the worst of them.79climate

…and 13 more in March.

What's on around the world in March

Dust season in April

  1. 🇮🇱 Jerusalem, IsraelSharav dust days · 1 Mar – 31 May (usually)Hot desert winds push dust over the hills for a few days at a stretch in spring and again in autumn, turning the light brown and the view from the Mount of Olives into nothing.96climate
  2. 🇯🇴 Petra, JordanKhamsin dust days · 15 Mar – 31 May (usually)Hot southerly winds pull desert dust over the escarpment for a few days at a stretch in spring, turning the rock flat brown and the light useless for photographs.96climate
  3. 🇱🇾 Tripoli, LibyaThe ghibli · 1 Mar – 31 May (usually)A hot, dust-laden southerly off the desert that can lift the temperature sharply in a few hours and leave grit on everything.96climate
  4. 🇪🇸 Lanzarote, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust crosses on an easterly a few times each winter and spring, hazing the volcanoes out and occasionally closing the airport.96climate
  5. 🇪🇬 Alexandria, EgyptKhamaseen dust winds · 1 Mar – 15 May (usually)Hot southerlies off the desert push dust over the city for a day or two at a time in spring, and the sea haze holds it in.96climate
  6. 🇮🇱 Tel Aviv, IsraelSharav heat spikes · 1 Apr – 5 Jun (usually)A desert wind pushes in for two or three days at a time in spring, taking the humidity down and the temperature up, sometimes with dust off Sinai.94climate
  7. 🇪🇸 Málaga, SpainCalima dust · 1 Mar – 31 Aug (usually)Saharan dust rides in on a southerly and turns the sky orange and the parked cars brown for a day or two at a time, most often in spring and again at the height of summer.94climate
  8. 🇪🇸 Las Palmas, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust rides in on an easterly several times a year, most often in late winter, dropping visibility and pushing the temperature up sharply for a day or two.94climate
  9. 🇨🇳 Hotan, ChinaSpring dust season · 1 Mar – 31 May (usually)Hotan sits on the southern rim of the Taklamakan and spring is when the desert moves.93climate
  10. 🇨🇳 Kashgar, ChinaFloating dust season · 1 Mar – 31 May (usually)Spring lifts the Taklamakan off the desert floor and parks it over the oasis.93climate
  11. 🇨🇾 Nicosia, CyprusSpring dust episodes · 1 Mar – 31 May (usually)Dust off Syria and the Sahara reaches the island several times each spring and it hangs in the Mesaoria basin longer than on the coast.93climate
  12. 🇸🇾 Damascus, SyriaKhamsin dust winds · 15 Mar – 31 May (usually)The spring southerly arrives with a jump in temperature and a sky the colour of weak tea, usually two or three days at a time before it clears.92climate
  13. 🇪🇸 Fuerteventura, SpainCalima · 15 Jan – 15 Apr (usually)Saharan dust blows across from Africa a few times each winter and spring, dropping visibility to a few hundred metres and occasionally grounding flights.92climate
  14. 🇨🇳 Beijing, ChinaSandstorm season · 1 Mar – 15 May (usually)Dust off the Mongolian plateau reaches the city several times each spring, turning the sky yellow and pushing the air readings off the usual scale for a day or two.91climate
  15. 🇮🇶 Erbil, IraqDust season · 1 Apr – 30 Jun (usually)The shamal lifts the plains and the city turns the colour of the ground for a day or two at a time.91climate
  16. 🇺🇸 Albuquerque, United StatesSpring wind and blowing dust · 1 Mar – 31 MayThe windiest stretch of the year across the Rio Grande valley, with afternoon gusts that lift dust off the mesa and shut down balloon flights and small aircraft.90climate
  17. 🇯🇴 Dead Sea, JordanKhamsin dust winds · 15 Mar – 31 May (usually)Hot southerlies off the desert push dust up the rift for a few days at a time in spring, dropping the visibility across the water to nothing and coating everything left outside.88climate
  18. 🇪🇬 Cairo, EgyptKhamaseen dust winds · 1 Mar – 31 May (usually)Hot southerly winds carry Saharan dust over the city for a day or two at a time, closing the horizon and grounding the view from the Giza plateau.86climate
  19. 🇰🇷 Seoul, South KoreaFine dust season · 1 Mar – 15 May (usually)Spring brings the worst air of the year, part local, part dust and pollution blown in from the west.85climate
  20. 🇮🇶 Baghdad, IraqShamal dust storms · 15 Mar – 30 Jun (usually)North-westerlies lift the dried marsh and desert soil; a bad day turns the sky orange and grounds flights at Baghdad International.84climate
  21. 🇯🇵 Fukuoka, JapanYellow sand season · 1 Mar – 15 May (usually)Dust off the Asian mainland reaches Kyushu first and the worst days leave a film on parked cars.81climate
  22. 🇰🇷 Incheon, South KoreaFine dust season · 1 Mar – 15 May (usually)Incheon is the first thing the spring westerlies hit, so it reads worse than Seoul on the bad days.81climate
  23. 🇲🇦 Merzouga, MoroccoSpring sandstorms · 15 Mar – 31 May (usually)The wind gets up in spring and the dunes move with it: gritty air for days at a time, camps struck early and the road east regularly half-buried.80climate
  24. 🇲🇷 Nouakchott, MauritaniaSand and dust season · 25 Nov – 15 Apr (usually)The harmattan carries Saharan sand straight over the city and the dunes keep working their way into the eastern quarters.79climate
  25. 🇨🇳 Ürümqi, ChinaSpring dust · 15 Mar – 15 May (usually)Spring lifts the basin's dust into the wind gap the city sits in.78climate

…and 10 more in April.

What's on around the world in April

Dust season in May

  1. 🇪🇸 Málaga, SpainCalima dust · 1 Mar – 31 Aug (usually)Saharan dust rides in on a southerly and turns the sky orange and the parked cars brown for a day or two at a time, most often in spring and again at the height of summer.95climate
  2. 🇮🇱 Jerusalem, IsraelSharav dust days · 1 Mar – 31 May (usually)Hot desert winds push dust over the hills for a few days at a stretch in spring and again in autumn, turning the light brown and the view from the Mount of Olives into nothing.91climate
  3. 🇯🇴 Petra, JordanKhamsin dust days · 15 Mar – 31 May (usually)Hot southerly winds pull desert dust over the escarpment for a few days at a stretch in spring, turning the rock flat brown and the light useless for photographs.91climate
  4. 🇱🇾 Tripoli, LibyaThe ghibli · 1 Mar – 31 May (usually)A hot, dust-laden southerly off the desert that can lift the temperature sharply in a few hours and leave grit on everything.91climate
  5. 🇰🇷 Seoul, South KoreaFine dust season · 1 Mar – 15 May (usually)Spring brings the worst air of the year, part local, part dust and pollution blown in from the west.90climate
  6. 🇨🇳 Ürümqi, ChinaSpring dust · 15 Mar – 15 May (usually)Spring lifts the basin's dust into the wind gap the city sits in.90climate
  7. 🇨🇳 Beijing, ChinaSandstorm season · 1 Mar – 15 May (usually)Dust off the Mongolian plateau reaches the city several times each spring, turning the sky yellow and pushing the air readings off the usual scale for a day or two.88climate
  8. 🇮🇱 Tel Aviv, IsraelSharav heat spikes · 1 Apr – 5 Jun (usually)A desert wind pushes in for two or three days at a time in spring, taking the humidity down and the temperature up, sometimes with dust off Sinai.88climate
  9. 🇸🇾 Damascus, SyriaKhamsin dust winds · 15 Mar – 31 May (usually)The spring southerly arrives with a jump in temperature and a sky the colour of weak tea, usually two or three days at a time before it clears.88climate
  10. 🇪🇬 Alexandria, EgyptKhamaseen dust winds · 1 Mar – 15 May (usually)Hot southerlies off the desert push dust over the city for a day or two at a time in spring, and the sea haze holds it in.88climate
  11. 🇰🇷 Incheon, South KoreaFine dust season · 1 Mar – 15 May (usually)Incheon is the first thing the spring westerlies hit, so it reads worse than Seoul on the bad days.88climate
  12. 🇺🇸 Albuquerque, United StatesSpring wind and blowing dust · 1 Mar – 31 MayThe windiest stretch of the year across the Rio Grande valley, with afternoon gusts that lift dust off the mesa and shut down balloon flights and small aircraft.87climate
  13. 🇨🇳 Kashgar, ChinaFloating dust season · 1 Mar – 31 May (usually)Spring lifts the Taklamakan off the desert floor and parks it over the oasis.87climate
  14. 🇨🇾 Nicosia, CyprusSpring dust episodes · 1 Mar – 31 May (usually)Dust off Syria and the Sahara reaches the island several times each spring and it hangs in the Mesaoria basin longer than on the coast.87climate
  15. 🇨🇳 Hotan, ChinaSpring dust season · 1 Mar – 31 May (usually)Hotan sits on the southern rim of the Taklamakan and spring is when the desert moves.85climate
  16. 🇯🇵 Fukuoka, JapanYellow sand season · 1 Mar – 15 May (usually)Dust off the Asian mainland reaches Kyushu first and the worst days leave a film on parked cars.82climate
  17. 🇲🇳 Ulaanbaatar, MongoliaSpring dust storms · 15 Mar – 31 May (usually)Gobi dust rides the spring wind up over the city several times a season, turning the sky orange and grounding domestic flights.81climate
  18. 🇵🇪 Cusco, PeruAndean dry season · 1 May – 30 Sep (usually)Bright still days, hard frost at night at 3,400 metres, and dust on the trails by August.81climate
  19. 🇮🇶 Erbil, IraqDust season · 1 Apr – 30 Jun (usually)The shamal lifts the plains and the city turns the colour of the ground for a day or two at a time.81climate
  20. 🇯🇴 Dead Sea, JordanKhamsin dust winds · 15 Mar – 31 May (usually)Hot southerlies off the desert push dust up the rift for a few days at a time in spring, dropping the visibility across the water to nothing and coating everything left outside.78climate
  21. 🇪🇬 Cairo, EgyptKhamaseen dust winds · 1 Mar – 31 May (usually)Hot southerly winds carry Saharan dust over the city for a day or two at a time, closing the horizon and grounding the view from the Giza plateau.77climate
  22. 🇺🇸 Petrified Forest National Park, United StatesSpring wind and dust · 1 Mar – 31 May (usually)March to May is the windy season on the Colorado Plateau, and there is nothing between the badlands and the horizon to slow it down.77climate
  23. 🇯🇵 Kagoshima, JapanSakurajima ashfall · 15 May – 30 Sep (usually)The volcano across the bay erupts most weeks of the year, but it is in summer that the wind carries the ash over the city.72climate
  24. 🇪🇸 Sierra Nevada, SpainCalima on the snow · 15 Feb – 15 Jun (usually)Saharan dust blows north over Andalusia most often in spring, turning the sky orange and leaving the pistes pink.69climate
  25. 🇲🇦 Merzouga, MoroccoSpring sandstorms · 15 Mar – 31 May (usually)The wind gets up in spring and the dunes move with it: gritty air for days at a time, camps struck early and the road east regularly half-buried.67climate

…and 8 more in May.

What's on around the world in May

Dust season in June

  1. 🇪🇸 Tenerife, SpainCalima dust · 15 Jun – 15 Sep (usually)Saharan dust can settle over the island for days, dropping visibility, raising the temperature and putting the airport on the news.91climate
  2. 🇩🇿 Algiers, AlgeriaSirocco and Saharan dust · 15 Jun – 15 Sep (usually)A few times a summer the wind swings round off the desert and the city goes hot, hazy and gritty for two or three days at a stretch.88climate
  3. 🇪🇸 Málaga, SpainCalima dust · 1 Mar – 31 Aug (usually)Saharan dust rides in on a southerly and turns the sky orange and the parked cars brown for a day or two at a time, most often in spring and again at the height of summer.88climate
  4. 🇵🇪 Cusco, PeruAndean dry season · 1 May – 30 Sep (usually)Bright still days, hard frost at night at 3,400 metres, and dust on the trails by August.82climate
  5. 🇮🇱 Tel Aviv, IsraelSharav heat spikes · 1 Apr – 5 Jun (usually)A desert wind pushes in for two or three days at a time in spring, taking the humidity down and the temperature up, sometimes with dust off Sinai.80climate
  6. 🇪🇸 Sierra Nevada, SpainCalima on the snow · 15 Feb – 15 Jun (usually)Saharan dust blows north over Andalusia most often in spring, turning the sky orange and leaving the pistes pink.79climate
  7. 🇲🇦 Marrakesh, MoroccoThe chergui · 15 Jun – 15 Sep (usually)A dry easterly off the Sahara that adds several degrees to an already extreme month and fills the air with dust.74climate
  8. 🇸🇦 Jeddah, Saudi ArabiaDust and sandstorm season · 1 Mar – 31 Jul (usually)Spring winds carry interior dust out over the Red Sea coast, whiting out the sky for a day or two at a time and holding flights on the worst of them.59climate
  9. 🇯🇵 Kagoshima, JapanSakurajima ashfall · 15 May – 30 Sep (usually)The volcano across the bay erupts most weeks of the year, but it is in summer that the wind carries the ash over the city.49climate
  10. 🇮🇶 Erbil, IraqDust season · 1 Apr – 30 Jun (usually)The shamal lifts the plains and the city turns the colour of the ground for a day or two at a time.46climate
  11. 🇦🇪 Abu Dhabi, United Arab EmiratesShamal dust season · 1 Mar – 15 Jun (usually)The northwesterly shamal blows for a day or three at a time in spring and takes the skyline with it; flights hold, the sea turns brown and anyone with a chest keeps indoors.44climate
  12. 🇸🇩 Port Sudan, SudanHaboob dust storms · 1 Jun – 15 Sep (usually)A wall of dust arrives off the desert ahead of a storm and visibility drops to nothing for an hour or two.43climate
  13. 🇺🇸 Scottsdale, United StatesMonsoon dust storms · 15 Jun – 30 SepOutflow from collapsing thunderstorms pushes a wall of dust across the valley a few times a summer, dropping visibility to nothing on the freeways within minutes.42climate
  14. 🇮🇳 Delhi, IndiaThe loo and dust storms · 15 Apr – 20 Jun (usually)A hot dry wind off the western desert that carries dust across the plain and can push visibility down for a day.33climate
  15. 🇮🇶 Baghdad, IraqShamal dust storms · 15 Mar – 30 Jun (usually)North-westerlies lift the dried marsh and desert soil; a bad day turns the sky orange and grounds flights at Baghdad International.30climate
  16. 🇶🇦 Doha, QatarSummer shamal dust · 15 May – 15 Aug (usually)The long north-westerly blows for days at a stretch in early summer, hazing the skyline and putting sand through every door seal.29climate
  17. 🇰🇼 Kuwait City, KuwaitSummer shamal dust · 1 Jun – 31 Jul (usually)The northwesterly picks up desert sand and the sky goes orange for days at a stretch; flights are delayed and the air is unbreathable for anyone with a chest.28climate

What's on around the world in June

Dust season in July

  1. 🇪🇸 Tenerife, SpainCalima dust · 15 Jun – 15 Sep (usually)Saharan dust can settle over the island for days, dropping visibility, raising the temperature and putting the airport on the news.86climate
  2. 🇵🇪 Cusco, PeruAndean dry season · 1 May – 30 Sep (usually)Bright still days, hard frost at night at 3,400 metres, and dust on the trails by August.83climate
  3. 🇪🇸 Málaga, SpainCalima dust · 1 Mar – 31 Aug (usually)Saharan dust rides in on a southerly and turns the sky orange and the parked cars brown for a day or two at a time, most often in spring and again at the height of summer.81climate
  4. 🇩🇿 Algiers, AlgeriaSirocco and Saharan dust · 15 Jun – 15 Sep (usually)A few times a summer the wind swings round off the desert and the city goes hot, hazy and gritty for two or three days at a stretch.79climate
  5. 🇸🇦 Jeddah, Saudi ArabiaDust and sandstorm season · 1 Mar – 31 Jul (usually)Spring winds carry interior dust out over the Red Sea coast, whiting out the sky for a day or two at a time and holding flights on the worst of them.52climate
  6. 🇲🇦 Marrakesh, MoroccoThe chergui · 15 Jun – 15 Sep (usually)A dry easterly off the Sahara that adds several degrees to an already extreme month and fills the air with dust.49climate
  7. 🇯🇵 Kagoshima, JapanSakurajima ashfall · 15 May – 30 Sep (usually)The volcano across the bay erupts most weeks of the year, but it is in summer that the wind carries the ash over the city.45climate
  8. 🇸🇩 Port Sudan, SudanHaboob dust storms · 1 Jun – 15 Sep (usually)A wall of dust arrives off the desert ahead of a storm and visibility drops to nothing for an hour or two.34climate
  9. 🇺🇸 Scottsdale, United StatesMonsoon dust storms · 15 Jun – 30 SepOutflow from collapsing thunderstorms pushes a wall of dust across the valley a few times a summer, dropping visibility to nothing on the freeways within minutes.31climate
  10. 🇺🇸 Phoenix, United StatesHaboobs · 1 Jul – 10 Sep (usually)Thunderstorm outflows lift a wall of dust hundreds of metres high across the valley in minutes, grounding flights and dropping visibility to nothing.29climate
  11. 🇰🇼 Kuwait City, KuwaitSummer shamal dust · 1 Jun – 31 Jul (usually)The northwesterly picks up desert sand and the sky goes orange for days at a stretch; flights are delayed and the air is unbreathable for anyone with a chest.25climate
  12. 🇶🇦 Doha, QatarSummer shamal dust · 15 May – 15 Aug (usually)The long north-westerly blows for days at a stretch in early summer, hazing the skyline and putting sand through every door seal.24climate

What's on around the world in July

Dust season in August

  1. 🇵🇪 Cusco, PeruAndean dry season · 1 May – 30 Sep (usually)Bright still days, hard frost at night at 3,400 metres, and dust on the trails by August.84climate
  2. 🇪🇸 Tenerife, SpainCalima dust · 15 Jun – 15 Sep (usually)Saharan dust can settle over the island for days, dropping visibility, raising the temperature and putting the airport on the news.82climate
  3. 🇪🇸 Málaga, SpainCalima dust · 1 Mar – 31 Aug (usually)Saharan dust rides in on a southerly and turns the sky orange and the parked cars brown for a day or two at a time, most often in spring and again at the height of summer.79climate
  4. 🇩🇿 Algiers, AlgeriaSirocco and Saharan dust · 15 Jun – 15 Sep (usually)A few times a summer the wind swings round off the desert and the city goes hot, hazy and gritty for two or three days at a stretch.78climate
  5. 🇯🇵 Kagoshima, JapanSakurajima ashfall · 15 May – 30 Sep (usually)The volcano across the bay erupts most weeks of the year, but it is in summer that the wind carries the ash over the city.52climate
  6. 🇲🇦 Marrakesh, MoroccoThe chergui · 15 Jun – 15 Sep (usually)A dry easterly off the Sahara that adds several degrees to an already extreme month and fills the air with dust.46climate
  7. 🇺🇸 Scottsdale, United StatesMonsoon dust storms · 15 Jun – 30 SepOutflow from collapsing thunderstorms pushes a wall of dust across the valley a few times a summer, dropping visibility to nothing on the freeways within minutes.37climate
  8. 🇺🇸 Phoenix, United StatesHaboobs · 1 Jul – 10 Sep (usually)Thunderstorm outflows lift a wall of dust hundreds of metres high across the valley in minutes, grounding flights and dropping visibility to nothing.34climate
  9. 🇸🇩 Port Sudan, SudanHaboob dust storms · 1 Jun – 15 Sep (usually)A wall of dust arrives off the desert ahead of a storm and visibility drops to nothing for an hour or two.31climate
  10. 🇶🇦 Doha, QatarSummer shamal dust · 15 May – 15 Aug (usually)The long north-westerly blows for days at a stretch in early summer, hazing the skyline and putting sand through every door seal.27climate

What's on around the world in August

Dust season in September

  1. 🇵🇪 Cusco, PeruAndean dry season · 1 May – 30 Sep (usually)Bright still days, hard frost at night at 3,400 metres, and dust on the trails by August.84climate
  2. 🇪🇸 Tenerife, SpainCalima dust · 15 Jun – 15 Sep (usually)Saharan dust can settle over the island for days, dropping visibility, raising the temperature and putting the airport on the news.84climate
  3. 🇩🇿 Algiers, AlgeriaSirocco and Saharan dust · 15 Jun – 15 Sep (usually)A few times a summer the wind swings round off the desert and the city goes hot, hazy and gritty for two or three days at a stretch.83climate
  4. 🇲🇦 Marrakesh, MoroccoThe chergui · 15 Jun – 15 Sep (usually)A dry easterly off the Sahara that adds several degrees to an already extreme month and fills the air with dust.75climate
  5. 🇯🇵 Kagoshima, JapanSakurajima ashfall · 15 May – 30 Sep (usually)The volcano across the bay erupts most weeks of the year, but it is in summer that the wind carries the ash over the city.55climate
  6. 🇺🇸 Scottsdale, United StatesMonsoon dust storms · 15 Jun – 30 SepOutflow from collapsing thunderstorms pushes a wall of dust across the valley a few times a summer, dropping visibility to nothing on the freeways within minutes.52climate
  7. 🇺🇸 Phoenix, United StatesHaboobs · 1 Jul – 10 Sep (usually)Thunderstorm outflows lift a wall of dust hundreds of metres high across the valley in minutes, grounding flights and dropping visibility to nothing.49climate
  8. 🇸🇩 Port Sudan, SudanHaboob dust storms · 1 Jun – 15 Sep (usually)A wall of dust arrives off the desert ahead of a storm and visibility drops to nothing for an hour or two.46climate

What's on around the world in September

Dust season in November

  1. 🇲🇷 Nouakchott, MauritaniaSand and dust season · 25 Nov – 15 Apr (usually)The harmattan carries Saharan sand straight over the city and the dunes keep working their way into the eastern quarters.80climate
  2. 🇨🇻 Praia, Cabo VerdeBruma seca dust haze · 15 Nov – 15 Mar (usually)Saharan dust crosses the archipelago in the cool months and turns the sky milky for days at a time.77climate
  3. 🇲🇱 Bamako, MaliHarmattan · 25 Nov – 15 Mar (usually)The Saharan wind arrives from the north-east in late November and stays until spring: dry air, a sky that never quite clears, and red dust over everything in the unpaved quarters.71climate
  4. 🇧🇫 Ouagadougou, Burkina FasoHarmattan · 15 Nov – 20 Feb (usually)The full Sahelian version: a permanent film of dust, a sun you can look straight at, and mornings cold enough for a coat.68climate
  5. 🇹🇩 N'Djamena, ChadHarmattan · 25 Nov – 10 Mar (usually)Sahelian dust on a north-easterly, cold mornings and a sky the colour of weak tea.64climate
  6. 🇳🇪 Niamey, NigerHarmattan · 25 Nov – 28 Feb (usually)The coolest and driest weeks of the year, and the dustiest: a north-easterly off the Sahara, cold enough for a jacket at dawn, and a haze that never fully lifts.60climate

What's on around the world in November

Dust season in December

  1. 🇳🇪 Niamey, NigerHarmattan · 25 Nov – 28 Feb (usually)The coolest and driest weeks of the year, and the dustiest: a north-easterly off the Sahara, cold enough for a jacket at dawn, and a haze that never fully lifts.84climate
  2. 🇹🇩 N'Djamena, ChadHarmattan · 25 Nov – 10 Mar (usually)Sahelian dust on a north-easterly, cold mornings and a sky the colour of weak tea.84climate
  3. 🇲🇷 Nouakchott, MauritaniaSand and dust season · 25 Nov – 15 Apr (usually)The harmattan carries Saharan sand straight over the city and the dunes keep working their way into the eastern quarters.84climate
  4. 🇨🇻 Praia, Cabo VerdeBruma seca dust haze · 15 Nov – 15 Mar (usually)Saharan dust crosses the archipelago in the cool months and turns the sky milky for days at a time.83climate
  5. 🇲🇱 Bamako, MaliHarmattan · 25 Nov – 15 Mar (usually)The Saharan wind arrives from the north-east in late November and stays until spring: dry air, a sky that never quite clears, and red dust over everything in the unpaved quarters.83climate
  6. 🇨🇻 Boa Vista, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)The Saharan haze Cape Verdeans call bruma seca hits the eastern islands hardest, and Boa Vista sits closest to the African coast.83climate
  7. 🇸🇳 Dakar, SenegalSaharan dust season · 1 Dec – 28 Feb (usually)Dust off the Sahara crosses the Cap-Vert peninsula through the cool months and drops the visibility to a few kilometres for days at a time.82climate
  8. 🇨🇻 Sal, Cabo VerdeBruma seca · 1 Dec – 15 Mar (usually)Saharan haze reaches the eastern islands in the cool months and can grey out a week of otherwise faultless weather.82climate
  9. 🇳🇬 Abuja, NigeriaHarmattan · 1 Dec – 20 Feb (usually)Saharan dust reaches the middle belt properly: a flat white sky, dust on every surface, and mornings cold enough for a jacket.81climate
  10. 🇬🇲 Banjul, GambiaHarmattan haze · 1 Dec – 1 Mar (usually)Saharan dust drifts down the coast through the cool months and flattens the light for days at a time.80climate
  11. 🇸🇳 Saint-Louis, SenegalSaharan dust · 1 Dec – 28 Feb (usually)Dust off the desert crosses the river mouth through the cool months and drops the visibility for days at a time.80climate
  12. 🇧🇫 Ouagadougou, Burkina FasoHarmattan · 15 Nov – 20 Feb (usually)The full Sahelian version: a permanent film of dust, a sun you can look straight at, and mornings cold enough for a coat.78climate
  13. 🇬🇭 Kumasi, GhanaHarmattan · 1 Dec – 15 Feb (usually)Inland Ashanti gets the harmattan properly, not the coastal version: cold mornings, cracked skin, a red haze over the city and dust through every open window on the road to Accra.75climate
  14. 🇬🇳 Conakry, GuineaHarmattan and the dry months · 1 Dec – 15 Apr (usually)The harmattan takes over in December and the rain effectively stops.74climate
  15. 🇸🇱 Freetown, Sierra LeoneHarmattan haze · 1 Dec – 20 Feb (usually)Saharan dust reaches this far down the coast through the driest weeks and takes the view of the hills with it.74climate
  16. 🇱🇷 Monrovia, LiberiaHarmattan haze · 10 Dec – 10 Feb (usually)A weak version of the Sahelian harmattan reaches the coast for a few weeks: hazy horizons, cooler nights and dry air, which after six months of rain is a relief more than a nuisance.70climate
  17. 🇬🇭 Cape Coast, GhanaHarmattan haze · 1 Dec – 15 Feb (usually)The coast gets a diluted version of the northern harmattan: a milky sky, dry skin and dust on the castle whitewash.70climate
  18. 🇧🇯 Cotonou, BeninHarmattan haze · 5 Dec – 10 Feb (usually)The coast gets a thinned-down version of the northern harmattan: a flat white sky, dry air off the Sahara and dust on everything left out on the balcony.69climate
  19. 🇬🇭 Accra, GhanaHarmattan haze · 5 Dec – 10 Feb (usually)The coast gets a diluted version of the northern harmattan: hazy horizons, dry skin, and a fine dust on everything left outside.68climate
  20. 🇹🇬 Lomé, TogoHarmattan haze · 5 Dec – 15 Feb (usually)The coastal version of the Saharan wind: white sky, dry air, dust settling on the beach bars and the border traffic at Aflao.68climate
  21. 🇨🇮 Abidjan, Côte d'IvoireHarmattan haze · 10 Dec – 15 Feb (usually)Abidjan sits at the far southern edge of the harmattan.66climate

What's on around the world in December