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 • 14:56, Jul 29

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Helsinki	24
2	Kallio	23
3	Espoo	22
4	Otaniemi	17
5	Kaarela	15
6	Mellunkylae	14
7	Vantaa	12
8	Jaervenpaeae	11
9	Lohja	9
10	Porvoo	6

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Porvoo	6
2	Lohja	9
3	Jaervenpaeae	11
4	Vantaa	12
5	Mellunkylae	14
6	Kaarela	15
7	Otaniemi	17
8	Espoo	22
9	Kallio	23
10	Helsinki	24

What Sustainable Technology Really Means for Consumer Products

Wildfire Map Spotlight: Southern Europe Wildfires

Close-up of an intense, blazing wildfire.

Wildfire Map Spotlight: Big Grass Fire, Oregon and Idaho

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