Air quality
Air quality today: live AQI by city
Updated
Most polluted now: Riyadh, Saudi Arabia (US AQI 500) Median of 3,909 cities: 56.
Live US AQI, PM2.5 and ozone for thousands of cities, with the most polluted and cleanest right now and a page for every city.
- Cities tracked
- 3,909
- Average US AQI
- 65 Moderate
- Good (0-50)
- 38% of cities
- Above 150
- 180 Unhealthy or worse
Air quality around the world right now
Across 3,909 cities, the modelled US AQI averages 65. By category: 1486 Good, 1938 Moderate, 305 Unhealthy for Sensitive Groups, 167 Unhealthy, 5 Very Unhealthy, 8 Hazardous (of 3909).
Riyadh in Saudi Arabia has the worst air of any tracked city at 500 (PM2.5 163 µg/m³). Among cities of a million or more, Melbourne, Australia is cleanest at 20.
Most polluted cities now
| City | Country | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Riyadh | Saudi Arabia | 500 | Hazardous | 162.5 |
| Palangkaraya | Indonesia | 500 | Hazardous | 278.5 |
| Minya | Egypt | 500 | Hazardous | 163.4 |
| Assiut | Egypt | 494 | Hazardous | 191.4 |
| Abnūb | Egypt | 494 | Hazardous | 191.4 |
| Banī Suwayf | Egypt | 488 | Hazardous | 68.5 |
| Karnāl | India | 402 | Hazardous | 118.7 |
| Banjarmasin | Indonesia | 338 | Hazardous | 159.3 |
| Hisar | India | 278 | Very Unhealthy | 74.7 |
| Kashgar | China | 250 | Very Unhealthy | 98.7 |
| Artux | China | 250 | Very Unhealthy | 98.7 |
| Kano | Nigeria | 237 | Very Unhealthy | 198.4 |
| Kākināda | India | 203 | Very Unhealthy | 55.6 |
| Karawang | Indonesia | 196 | Unhealthy | 204.4 |
| Rengasdengklok | Indonesia | 196 | Unhealthy | 204.4 |
| Cikarang | Indonesia | 196 | Unhealthy | 204.4 |
| Gaya, Kano State | Nigeria | 192 | Unhealthy | 136.4 |
| Katsina | Nigeria | 190 | Unhealthy | 136.4 |
| Pontianak | Indonesia | 188 | Unhealthy | 40.7 |
| Patiāla | India | 182 | Unhealthy | 91.5 |
| Zaria | Nigeria | 181 | Unhealthy | 116.4 |
| Dhāka, Bihar | India | 180 | Unhealthy | 124.8 |
| Xi’an | China | 179 | Unhealthy | 36.3 |
| Xianyang | China | 179 | Unhealthy | 36.3 |
| Bandung | Indonesia | 177 | Unhealthy | 135 |
Cleanest major cities now (1M+ people)
| City | Country | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Melbourne | Australia | 20 | Good | 2.9 |
| Brisbane | Australia | 20 | Good | 2 |
| Sanaa | Yemen | 24 | Good | 3.2 |
| Mombasa | Kenya | 25 | Good | 4.7 |
| Sydney | Australia | 26 | Good | 2.3 |
| Buenos Aires | Argentina | 26 | Good | 5.9 |
| Córdoba | Argentina | 26 | Good | 1.9 |
| Auckland | New Zealand | 27 | Good | 4.4 |
| Adelaide | Australia | 27 | Good | 6.6 |
| Munich | Germany | 28 | Good | 2.9 |
| Prague | Czechia | 28 | Good | 4.7 |
| Oslo | Norway | 28 | Good | 3.3 |
| Berlin | Germany | 29 | Good | 3.5 |
| Guayaquil | Ecuador | 29 | Good | 1.7 |
| Fukuoka | Japan | 29 | Good | 1.3 |
| Porto Alegre | Brazil | 29 | Good | 5 |
| Tirunelveli | India | 29 | Good | 6.7 |
| Cali | Colombia | 30 | Good | 4.7 |
| Sendai | Japan | 30 | Good | 7.7 |
| Köln | Germany | 30 | Good | 4 |
| Paris | France | 31 | Good | 5.4 |
| Hamburg | Germany | 31 | Good | 3.1 |
| Astana | Kazakhstan | 31 | Good | 11.5 |
| Monterrey | Mexico | 31 | Good | 3.5 |
| Tiruchirappalli | India | 31 | Good | 6.3 |
Air quality by country
More cities
- Air quality in Serekunda, Gambia AQI 160
- Air quality in Nouakchott, Mauritania AQI 155
- Air quality in Al Aḩmadī, Kuwait AQI 128
- Air quality in Beirut, Lebanon AQI 121
- Air quality in Doha, Qatar AQI 94
- Air quality in Ar Rayyān, Qatar AQI 94
- Air quality in Brazzaville, Republic of the Congo AQI 86
- Air quality in Bissau, Guinea-Bissau AQI 83
- Air quality in Winejok, South Sudan AQI 82
- Air quality in Macau, Macao AQI 76
- Air quality in Taipa, Macao AQI 76
- Air quality in Skopje, North Macedonia AQI 73
- Air quality in Sarajevo, Bosnia and Herzegovina AQI 72
- Air quality in N'Djamena, Chad AQI 71
- Air quality in Pointe-Noire, Republic of the Congo AQI 68
- Air quality in Antananarivo, Madagascar AQI 66
- Air quality in Juba, South Sudan AQI 66
- Air quality in Osh, Kyrgyzstan AQI 66
- Air quality in Ljubljana, Slovenia AQI 66
- Air quality in Vientiane, Laos AQI 65
- Air quality in Phnom Penh, Cambodia AQI 64
- Air quality in Pristina, Kosovo AQI 64
- Air quality in Kigali, Rwanda AQI 62
- Air quality in Bishkek, Kyrgyzstan AQI 62
- Air quality in Bangui, Central African Republic AQI 62
- Air quality in Bujumbura, Burundi AQI 62
- Air quality in Bimbo, Central African Republic AQI 62
- Air quality in Gaza, Palestinian Territory AQI 60
- Air quality in Jabālyā, Palestinian Territory AQI 60
- Air quality in Takeo, Cambodia AQI 58
- Air quality in Port Moresby, Papua New Guinea AQI 58
- Air quality in Windhoek, Namibia AQI 57
- Air quality in Baja, Hungary AQI 57
- Air quality in Graz, Austria AQI 56
- Air quality in Budapest, Hungary AQI 55
- Air quality in Lomé, Togo AQI 54
- Air quality in Ulan Bator, Mongolia AQI 54
- Air quality in Monrovia, Liberia AQI 53
- Air quality in Ashgabat, Turkmenistan AQI 53
- Air quality in Georgetown, Guyana AQI 53
- Air quality in Yerevan, Armenia AQI 52
- Air quality in Punākha, Bhutan AQI 52
- Air quality in Blantyre, Malawi AQI 51
- Air quality in Tbilisi, Georgia AQI 50
- Air quality in Chisinau, Moldova AQI 50
- Air quality in Bratislava, Slovakia AQI 50
- Air quality in Martin, Slovakia AQI 50
- Air quality in Kanye, Botswana AQI 48
- Air quality in Riga, Latvia AQI 45
- Air quality in Asmara, Eritrea AQI 45
- Air quality in Maseru, Lesotho AQI 44
- Air quality in Rehoboth, Namibia AQI 44
- Air quality in Lilongwe, Malawi AQI 43
- Air quality in Toamasina, Madagascar AQI 43
- Air quality in Kaunas, Lithuania AQI 43
- Air quality in Freetown, Sierra Leone AQI 42
- Air quality in Saint-Paul, Reunion, Reunion AQI 42
- Air quality in Waterloo, Western Area, Sierra Leone AQI 42
- Air quality in Greenville, Sinoe County, Liberia AQI 40
- Air quality in Willemstad, Curacao AQI 39
- Air quality in Libreville, Gabon AQI 37
- Air quality in Vilnius, Lithuania AQI 36
- Air quality in Tallinn, Estonia AQI 36
- Air quality in Nassau, Bahamas AQI 35
- Air quality in Vienna, Austria AQI 34
- Air quality in Suva, Fiji AQI 34
- Air quality in Tirana, Albania AQI 33
- Air quality in Århus, Denmark AQI 33
- Air quality in Reykjavík, Iceland AQI 33
- Air quality in Luxembourg, Luxembourg AQI 33
- Air quality in Kuala Belait, Brunei AQI 33
- Air quality in Copenhagen, Denmark AQI 32
- Air quality in Colombo, Sri Lanka AQI 32
- Air quality in San Fernando, San Fernando, Trinidad and Tobago AQI 31
- Air quality in San Juan, Puerto Rico AQI 29
- Air quality in Zürich, Switzerland AQI 29
- Air quality in Carolina, Puerto Rico AQI 29
- Air quality in Victoria, La Rivière Anglaise, Seychelles AQI 29
- Air quality in Djibouti, Djibouti AQI 25
- Air quality in Balbala, Djibouti AQI 25
- Air quality in Male, Maldives AQI 25
- Air quality in Mary, Turkmenistan AQI 19
Smoky towns right now
4 smaller towns have a US AQI of 100 or more now or forecast within 24 hours, often from wildfire smoke.
| Town | Region | US AQI now | Peak next 24 h | PM2.5 µg/m³ |
|---|---|---|---|---|
| Smithers | British Columbia | 93 | 155 | 8.8 |
| Nelson, BC | British Columbia | 120 | 130 | 23.7 |
| Castlegar | British Columbia | 95 | 119 | 15.8 |
| Trail | British Columbia | 95 | 119 | 15.8 |
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Modelled by CAMS (Copernicus) via Open-Meteo. The US AQI is computed from rolling averages, so it lags sudden spikes.
Air quality by country
- Air quality in Afghanistan
- Air quality in Algeria
- Air quality in Angola
- Air quality in Argentina
- Air quality in Australia
- Air quality in Azerbaijan
- Air quality in Bangladesh
- Air quality in Belarus
- Air quality in Belgium
- Air quality in Benin
- Air quality in Bolivia
- Air quality in Brazil
- Air quality in Bulgaria
- Air quality in Burkina Faso
- Air quality in Cameroon
- Air quality in Canada
- Air quality in Chile
- Air quality in China
- Air quality in Colombia
- Air quality in Costa Rica
- Air quality in Croatia
- Air quality in Cuba
- Air quality in Czechia
- Air quality in Democratic Republic of the Congo
- Air quality in Dominican Republic
- Air quality in Ecuador
- Air quality in Egypt
- Air quality in El Salvador
- Air quality in Ethiopia
- Air quality in Finland
- Air quality in France
- Air quality in Germany
- Air quality in Ghana
- Air quality in Greece
- Air quality in Guatemala
- Air quality in Guinea
- Air quality in Haiti
- Air quality in Honduras
- Air quality in Hong Kong
- Air quality in India
- Air quality in Indonesia
- Air quality in Iran
- Air quality in Iraq
- Air quality in Ireland
- Air quality in Israel
- Air quality in Italy
- Air quality in Ivory Coast
- Air quality in Jamaica
- Air quality in Japan
- Air quality in Jordan
- Air quality in Kazakhstan
- Air quality in Kenya
- Air quality in Libya
- Air quality in Malaysia
- Air quality in Mali
- Air quality in Mexico
- Air quality in Morocco
- Air quality in Mozambique
- Air quality in Myanmar
- Air quality in Nepal
- Air quality in New Zealand
- Air quality in Nicaragua
- Air quality in Niger
- Air quality in Nigeria
- Air quality in North Korea
- Air quality in Norway
- Air quality in Oman
- Air quality in Pakistan
- Air quality in Panama
- Air quality in Paraguay
- Air quality in Peru
- Air quality in Philippines
- Air quality in Poland
- Air quality in Portugal
- Air quality in Romania
- Air quality in Russia
- Air quality in Saudi Arabia
- Air quality in Senegal
- Air quality in Serbia
- Air quality in Singapore
- Air quality in Somalia
- Air quality in South Africa
- Air quality in South Korea
- Air quality in Spain
- Air quality in Sudan
- Air quality in Sweden
- Air quality in Syria
- Air quality in Taiwan
- Air quality in Tajikistan
- Air quality in Tanzania
- Air quality in Thailand
- Air quality in The Netherlands
- Air quality in Tunisia
- Air quality in Turkey
- Air quality in Uganda
- Air quality in Ukraine
- Air quality in United Arab Emirates
- Air quality in United Kingdom
- Air quality in United States
- Air quality in Uruguay
- Air quality in Uzbekistan
- Air quality in Venezuela
- Air quality in Vietnam
- Air quality in Yemen
- Air quality in Zambia
- Air quality in Zimbabwe
Related
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).