Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Uusimaa
Air quality index (AQI) and PM2.5 air pollution in Uusimaa
LIVE AQI CITY RANKING
Real-time Uusimaa
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Vantaa | 54 |
| 2 | Kaarela | 53 |
| 3 | Espoo | 52 |
| 4 | Helsinki | 45 |
| 5 | Kirkkonummi | 38 |
| 6 | Kallio | 37 |
| 7 | Lohja | 31 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
4 Contributors
See all
LIVE AQI CITY RANKING
Real-time Uusimaa
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lohja | 31 |
| 2 | Kallio | 37 |
| 3 | Kirkkonummi | 38 |
| 4 | Helsinki | 45 |
| 5 | Espoo | 52 |
| 6 | Kaarela | 53 |
| 7 | Vantaa | 54 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Uusimaa air quality data attribution
4Contributors
- Helsinki Region Environmental Services
3 stations
2 Government Contributors
- Mikko
1 station
Individual Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
Which is the most polluted city in Uusimaa?
AQI US, Metric