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Air quality in St. Gallen

Air quality index (AQI⁺) and PM2.5 air pollution in St. Gallen • 18:26, Oct 28

Luftqualität in der Ostschweiz und in LiechtensteinIQAir GlobalmarcoABAnonymous contributor
Luftqualität in der Ostschweiz und in LiechtensteinIQAir GlobalmarcoABAnonymous contributor

Live most polluted city ranking

Real-time St. Gallen most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Switzerland

Walenstadt

37

2
The national flag of Switzerland

Grabs

34

3
The national flag of Switzerland

Steinach

31

4
The national flag of Switzerland

Oberriet

28

5
The national flag of Switzerland

Thal

27

6
The national flag of Switzerland

St. Gallen

19

7
The national flag of Switzerland

Wattwil

11

Live cleanest city ranking

Real-time St. Gallen cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Switzerland

Wattwil

11

2
The national flag of Switzerland

St. Gallen

19

3
The national flag of Switzerland

Thal

27

4
The national flag of Switzerland

Oberriet

28

5
The national flag of Switzerland

Steinach

31

6
The national flag of Switzerland

Grabs

34

7
The national flag of Switzerland

Walenstadt

37

Wildfires in St. Gallen

Real-time information

Active fires

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

Busan Fireworks Festival
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Seasonal fireworks influence international air quality

Aerial shot of buildings in haze.
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Indonesia Air Quality Alert

Which is the most polluted city in St. Gallen?