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 • 10:36, Sep 19

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Helsinki	38
2	Kallio	38
3	Mellunkylae	37
4	Espoo	36
5	Otaniemi	34
6	Lohja	33
7	Vantaa	31
8	Jaervenpaeae	29
9	Kaarela	29
10	Porvoo	27

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Porvoo	27
2	Jaervenpaeae	29
3	Kaarela	29
4	Vantaa	31
5	Lohja	33
6	Otaniemi	34
7	Espoo	36
8	Mellunkylae	37
9	Helsinki	38
10	Kallio	38

Wildfires in Uusimaa

Real-time information

Active fires

--

Wildfire Map Spotlight: Floriston Fire, California

Wildfire Map Spotlight: Timber and Plaskett Fires, California

Wildfire Map Spotlight: Sand Creek and Bobcat Lakes Fires, Montana

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