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Air quality in Uusimaa

Air quality index (AQI⁺) and PM2.5 air pollution in Uusimaa • 02:38, Oct 30

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

21

2
The national flag of Finland

Otaniemi

20

3
The national flag of Finland

Lohja

19

4
The national flag of Finland

Helsinki

18

5
The national flag of Finland

Mellunkylae

18

6
The national flag of Finland

Vantaa

18

7
The national flag of Finland

Espoo

16

8
The national flag of Finland

Kaarela

16

9
The national flag of Finland

Porvoo

16

10
The national flag of Finland

Jaervenpaeae

15

Live cleanest city ranking

Real-time Uusimaa cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Finland

Jaervenpaeae

15

2
The national flag of Finland

Espoo

16

3
The national flag of Finland

Kaarela

16

4
The national flag of Finland

Porvoo

16

5
The national flag of Finland

Helsinki

18

6
The national flag of Finland

Mellunkylae

18

7
The national flag of Finland

Vantaa

18

8
The national flag of Finland

Lohja

19

9
The national flag of Finland

Otaniemi

20

10
The national flag of Finland

Kallio

21

Wildfires in Uusimaa

Real-time information

Active fires

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Aerial view of multiple houses covered in haze.
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China Air Quality Alert

Small group of people cycling in morning smog.
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India Air Quality Alert

Polluted skies of Almaty.
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October 28, 2026: Almaty among top 10 most polluted cities in the world

Which is the most polluted city in Uusimaa?