Air Quality Database

Real-time air quality for 50 cities across 7 regions. Average AQI: 93. 24 cities with "Good" air quality right now.

Last updated: · Updated hourly

Auckland: AQI 20 Warsaw: AQI 28 Budapest: AQI 36 Berlin: AQI 30 Bogotá: AQI 31 Prague: AQI 29 Amsterdam: AQI 26 Tbilisi: AQI 37 Medellín: AQI 47 Rome: AQI 46 Manila: AQI 48 Buenos Aires: AQI 27 Madrid: AQI 42 Sydney: AQI 24 London: AQI 28 Paris: AQI 39 Lagos: AQI 59 Bali (Denpasar): AQI 44 Bangkok: AQI 50 Nairobi: AQI 54 Lima: AQI 60 Mexico City: AQI 71 Chiang Mai: AQI 42 Casablanca: AQI 62 Lisbon: AQI 38 Cairo: AQI 57 Istanbul: AQI 43 Da Nang: AQI 121 Toronto: AQI 40 New York: AQI 33 Mumbai: AQI 59 Seoul: AQI 45 Chicago: AQI 65 Singapore: AQI 64 Johannesburg: AQI 159 São Paulo: AQI 55 Los Angeles: AQI 52 Tokyo: AQI 83 Delhi: AQI 114 Ho Chi Minh City: AQI 119 Taipei: AQI 112 Osaka: AQI 74 Melbourne: AQI 136 Kuala Lumpur: AQI 95 Dubai: AQI 165 Beijing: AQI 153 Santiago: AQI 172 Shanghai: AQI 116 Jakarta: AQI 175 Riyadh: AQI 1331

Cleanest Cities

Auckland
20
Sydney
24
Amsterdam
26
Buenos Aires
27
Warsaw
28

Most Polluted

Riyadh
1331
Jakarta
175
Santiago
172
Dubai
165
Johannesburg
159

Filter & Sort

Showing 50 of 50 cities

All Cities

City Country US AQI Level Dominant PM2.5 Air Score Breathability
Auckland New Zealand 20 Good O3 1.4 97.1 96.0
Warsaw Poland 28 Good O3 2.3 95.6 93.9
Budapest Hungary 36 Good O3 2.8 94.7 92.6
Berlin Germany 30 Good O3 3.4 94.1 92.4
Bogotá Colombia 31 Good PM2.5 4.8 93.8 91.8
Prague Czech Republic 29 Good O3 4.0 93.8 91.4
Amsterdam Netherlands 26 Good PM2.5 5.5 92.7 89.8
Tbilisi Georgia 37 Good O3 6.2 92.3 89.2
Medellín Colombia 47 Good O3 5.7 92.2 89.1
Rome Italy 46 Good O3 5.9 91.7 88.4
Manila Philippines 48 Good PM2.5 8.3 90.8 87.7
Buenos Aires Argentina 27 Good NO2 7.2 90.5 87.1
Madrid Spain 42 Good O3 7.1 89.7 86.5
Sydney Australia 24 Good PM2.5 9.4 89.2 85.3
London United Kingdom 28 Good O3 8.1 89.0 84.6
Paris France 39 Good O3 7.7 88.9 84.7
Lagos Nigeria 59 Moderate PM2.5 11.4 88.8 84.8
Bali (Denpasar) Indonesia 44 Good PM2.5 12.0 88.5 84.7
Bangkok Thailand 50 Good PM2.5 11.3 88.4 84.5
Nairobi Kenya 54 Moderate PM2.5 10.6 88.0 83.7
Lima Peru 60 Moderate PM2.5 12.0 87.4 83.2
Mexico City Mexico 71 Moderate NO2 9.0 87.1 83.1
Chiang Mai Thailand 42 Good NO2 10.5 87.0 82.9
Casablanca Morocco 62 Moderate PM2.5 10.9 86.6 82.4
Lisbon Portugal 38 Good PM2.5 11.0 86.4 81.4
Cairo Egypt 57 Moderate PM2.5 11.4 85.9 81.3
Istanbul Turkey 43 Good PM2.5 12.2 85.3 79.5
Da Nang Vietnam 121 Unhealthy for Sensitive Groups PM2.5 13.8 84.4 78.8
Toronto Canada 40 Good NO2 13.0 84.2 78.2
New York United States 33 Good PM2.5 17.2 83.3 76.4
Mumbai India 59 Moderate PM2.5 18.4 82.0 77.8
Seoul South Korea 45 Good NO2 13.5 81.4 74.8
Chicago United States 65 Moderate PM2.5 21.2 78.6 69.9
Singapore Singapore 64 Moderate PM2.5 21.4 77.2 69.2
Johannesburg South Africa 159 Unhealthy PM2.5 22.8 76.0 68.0
São Paulo Brazil 55 Moderate PM2.5 25.7 74.2 64.1
Los Angeles United States 52 Moderate PM2.5 28.3 72.9 62.4
Tokyo Japan 83 Moderate NO2 25.0 71.1 61.2
Delhi India 114 Unhealthy for Sensitive Groups PM2.5 38.0 63.4 49.5
Ho Chi Minh City Vietnam 119 Unhealthy for Sensitive Groups PM2.5 37.7 63.1 50.0
Taipei Taiwan 112 Unhealthy for Sensitive Groups PM2.5 38.9 60.8 46.8
Osaka Japan 74 Moderate PM2.5 43.3 57.6 42.3
Melbourne Australia 136 Unhealthy for Sensitive Groups PM2.5 63.1 47.8 27.1
Kuala Lumpur Malaysia 95 Moderate NO2 47.8 46.8 30.2
Dubai UAE 165 Unhealthy PM2.5 57.4 45.2 29.1
Beijing China 153 Unhealthy PM2.5 71.0 30.4 4.0
Santiago Chile 172 Unhealthy PM2.5 72.6 30.4 6.5
Shanghai China 116 Unhealthy for Sensitive Groups PM2.5 92.4 11.0 0.0
Jakarta Indonesia 175 Unhealthy PM2.5 112.9 0.0 0.0
Riyadh Saudi Arabia 1331 Hazardous PM10 178.8 0.0 0.0

About Our Scores

Air Quality Score (0-100)

Composite score based on AQI level and pollutant concentrations. Higher = cleaner air. Combines multiple pollutant readings into a single quality metric.

Breathability Score (0-100)

Measures how comfortable outdoor air is for breathing. Factors in PM2.5, O3, and NO2 levels relative to health guidelines. Higher = easier breathing.

AQI Scale Reference

AQI RangeLevelHealth Implication
0-50GoodAir quality is satisfactory
51-100ModerateAcceptable for most people
101-150Unhealthy for Sensitive GroupsSensitive individuals should limit outdoor exertion
151-200UnhealthyEveryone may experience health effects
201-300Very UnhealthyHealth alert: significant risk
301-500HazardousEmergency conditions