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Air quality in Northern Ostrobothnia

Air quality index (AQI⁺) and PM2.5 air pollution in Northern Ostrobothnia • 02:19, Apr 19

Live most polluted city ranking

Real-time Northern Ostrobothnia most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Finland

Oulu

31

2
The national flag of Finland

Raahe

10

3
The national flag of Finland

Nivala

8

Live cleanest city ranking

Real-time Northern Ostrobothnia cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Finland

Nivala

8

2
The national flag of Finland

Raahe

10

3
The national flag of Finland

Oulu

31

Polluted skies of Hong Kong
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April 18, 2026: Hong Kong among top 10 most polluted cities in the world

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China Air Quality Alert

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Southeast Asia Air Quality Alert

Which is the most polluted city in Northern Ostrobothnia?