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 • 10:35, Aug 11

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Helsinki	25
2	Kallio	25
3	Espoo	23
4	Lohja	19
5	Otaniemi	12
6	Kaarela	9
7	Mellunkylae	8
8	Vantaa	8
9	Jaervenpaeae	7
10	Porvoo	6

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Porvoo	6
2	Jaervenpaeae	7
3	Mellunkylae	8
4	Vantaa	8
5	Kaarela	9
6	Otaniemi	12
7	Lohja	19
8	Espoo	23
9	Helsinki	25
10	Kallio	25

Wildfires in Uusimaa

Real-time information

Active fires

0

Close-up of an intense, blazing wildfire.

Wildfire Map Spotlight: Big Grass Fire, Oregon and Idaho

Heatwave Map Spotlight: South Asia

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