SmogRank / World
Air pollution around the world
87 countries with measured cities, last 7 days. Pick a continent or a country on the map to zoom in; a country's number is its typical (median) measured city, not the whole country.
By continent
| Continent | Cities | Median | Cities by band |
|---|---|---|---|
| Asia | 979 | 8.5 | |
| Europe | 676 | 8.9 | |
| Africa | 59 | 14.7 | |
| North America | 828 | 5.4 | |
| South America | 52 | 19.3 | |
| Oceania | 7 | 3.7 |
By country
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Updated 2026-10-02 03:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors in µg/m³.