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 • 14:34, May 30

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Espoo	38
2	Helsinki	34
3	Kallio	33
4	Otaniemi	13
5	Kaarela	12
6	Lohja	12
7	Mellunkylae	12
8	Vantaa	12
9	Porvoo	11
10	Jaervenpaeae	10

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Jaervenpaeae	10
2	Porvoo	11
3	Kaarela	12
4	Lohja	12
5	Mellunkylae	12
6	Vantaa	12
7	Otaniemi	13
8	Kallio	33
9	Helsinki	34
10	Espoo	38

Wildfire map spotlight: Seven Cabins Fire, New Mexico

Wildfire map spotlight: Bain Fire, California

Smoke rises from a wildfire burning through forest vegetation.

Wildfire Map Spotlight: Hummingbird Fire, New Mexico

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