WorldArrow icon
Arrow iconUusimaa

Air quality in Uusimaa

Air quality index (AQI⁺) and PM2.5 air pollution in Uusimaa • 15:59, Sep 09

Helsingin seudun verkko (HSY)Helsinki Region Environmental ServicesIlmatieteen Laitos - The Finnish Meteorological InstituteMikkoLohjan verkko
Helsingin seudun verkko (HSY)Helsinki Region Environmental ServicesIlmatieteen Laitos - The Finnish Meteorological InstituteMikkoLohjan verkko

Live most polluted city ranking

Real-time Uusimaa most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Finland

Kallio

33

2
The national flag of Finland

Helsinki

29

3
The national flag of Finland

Espoo

26

4
The national flag of Finland

Mellunkylae

24

5
The national flag of Finland

Jaervenpaeae

21

6
The national flag of Finland

Porvoo

21

7
The national flag of Finland

Kaarela

18

8
The national flag of Finland

Vantaa

17

9
The national flag of Finland

Lohja

16

10
The national flag of Finland

Otaniemi

14

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Finland

Otaniemi

14

2
The national flag of Finland

Lohja

16

3
The national flag of Finland

Vantaa

17

4
The national flag of Finland

Kaarela

18

5
The national flag of Finland

Jaervenpaeae

21

6
The national flag of Finland

Porvoo

21

7
The national flag of Finland

Mellunkylae

24

8
The national flag of Finland

Espoo

26

9
The national flag of Finland

Helsinki

29

10
The national flag of Finland

Kallio

33

Wildfires in Uusimaa

Real-time information

Active fires

--

Polluted skies over Sarajevo.
external link icon

September 9, 2026: Sarajevo among top 10 most polluted cities in the world

external link icon

Wildfire Map Spotlight: Antalya Fires, Turkey

external link icon

Wildfire Map Spotlight: Timber and Plaskett Fires, California

Which is the most polluted city in Uusimaa?