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 • 13:00, Jun 22

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#	Cities	AQI⁺ US
1	Helsinki	32
2	Kallio	32
3	Espoo	31
4	Kaarela	11
5	Otaniemi	11
6	Jaervenpaeae	10
7	Mellunkylae	10
8	Vantaa	10
9	Lohja	9
10	Porvoo	9

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#	Cities	AQI⁺ US
1	Lohja	9
2	Porvoo	9
3	Jaervenpaeae	10
4	Mellunkylae	10
5	Vantaa	10
6	Kaarela	11
7	Otaniemi	11
8	Espoo	31
9	Helsinki	32
10	Kallio	32

Revealing the Invisible: How King’s Group Academies is building a global air quality learning network

Chile Air Quality Alert

Wildfire on a mountain

Wildfire Map Spotlight: Kane Springs Fire and Grapevine Fire, Nevada

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