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

Uusimaa

Air quality in Uusimaa

Air quality index (AQI⁺) and PM2.5 air pollution in Uusimaa • 07:14, Sep 05

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Kaarela	35
2	Helsinki	29
3	Espoo	27
4	Kallio	27
5	Vantaa	23
6	Jaervenpaeae	11
7	Porvoo	11
8	Lohja	9
9	Otaniemi	9
10	Mellunkylae	8

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Mellunkylae	8
2	Lohja	9
3	Otaniemi	9
4	Jaervenpaeae	11
5	Porvoo	11
6	Vantaa	23
7	Espoo	27
8	Kallio	27
9	Helsinki	29
10	Kaarela	35

Wildfires in Uusimaa

Real-time information

Active fires

--

Wildfire Map Spotlight: Washington Wildfires

Dense forest burning.

Wildfire Map Spotlight: Austin Fire, Oregon

Wildfire in the distant mountains.

Wildfire Map Spotlight: Colwash Fire, Washington

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