Choose another country or region to see content specific to your location and shop online.

Air quality in Uusimaa

Air quality index (AQI⁺) and PM2.5 air pollution in Uusimaa • 21:39, Jul 25

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Espoo	29
2	Kallio	29
3	Helsinki	28
4	Kaarela	27
5	Mellunkylae	27
6	Vantaa	27
7	Lohja	26
8	Otaniemi	26
9	Jaervenpaeae	25
10	Porvoo	24

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Porvoo	24
2	Jaervenpaeae	25
3	Lohja	26
4	Otaniemi	26
5	Kaarela	27
6	Mellunkylae	27
7	Vantaa	27
8	Helsinki	28
9	Espoo	29
10	Kallio	29

Smoke over dense forest.

Wildfire Map Spotlight: British Columbia Wildfires

Wildfire Map Spotlight: North-Central and Eastern Oregon Wildfires

Wildfire Map Spotlight: Southern Europe Wildfires

Which is the most polluted city in Uusimaa?

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved