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Air quality in Switzerland

Air quality index (AQI⁺) and PM2.5 air pollution in Switzerland • 15:12, Oct 14

Nationales Beobachtungsnetz fur LuftfremdstoffeDie Kantone der NordwestschweizBundesamt für Umwelt BAFU (Schweiz)Environmental Observatory of Italian SwitzerlandLuftmessnetz der InnerschweizCanton du ValaisHealth and Environment Department - City of ZurichTransalp'AIRBeide BaselLuftqualität in der Ostschweiz und in LiechtensteinRépublique et canton de GenèveCanton de VaudSC78IQAir GlobalFabianMessstelle bei Schulhaus Berg ThalwilBernhardAvenue de. RochettazFrankCantone TicinoXYZ ZurichMarkWJean-François BrieferOffice for the Nature and Environment of the GrisonsBuergyRudyStazione DinoUnbekanntHFMGT9www.manu-webcam.chchristophe HA.A. PM2.5To-BChristian WeberUnité Énergie & Climat - Ville de CrissierUpper RhineGarnier Jean-PierreMelotti Planung GmbHAnonymous contributor
Nationales Beobachtungsnetz fur LuftfremdstoffeDie Kantone der NordwestschweizBundesamt für Umwelt BAFU (Schweiz)Environmental Observatory of Italian SwitzerlandLuftmessnetz der InnerschweizCanton du ValaisHealth and Environment Department - City of ZurichTransalp'AIRBeide BaselLuftqualität in der Ostschweiz und in LiechtensteinRépublique et canton de GenèveCanton de VaudSC78IQAir GlobalFabianMessstelle bei Schulhaus Berg ThalwilBernhardAvenue de. RochettazFrankCantone TicinoXYZ ZurichMarkWJean-François BrieferOffice for the Nature and Environment of the GrisonsBuergyRudyStazione DinoUnbekanntHFMGT9www.manu-webcam.chchristophe HA.A. PM2.5To-BChristian WeberUnité Énergie & Climat - Ville de CrissierUpper RhineGarnier Jean-PierreMelotti Planung GmbHAnonymous contributor

Live most polluted city ranking

Real-time Switzerland most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Switzerland

Lausanne

44

2
The national flag of Switzerland

Bern

26

3
The national flag of Switzerland

Zurich

24

4
The national flag of Switzerland

St. Gallen

22

2025 Switzerland most polluted city

Liestal, Basel-Landschaft

59

Live cleanest city ranking

Real-time Switzerland cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Switzerland

St. Gallen

22

2
The national flag of Switzerland

Bern

26

3
The national flag of Switzerland

Zurich

28

4
The national flag of Switzerland

Lausanne

44

2025 Switzerland cleanest city

Gambarogno, Ticino

26

2025 country air quality average

How polluted is Switzerland?

IQAir exclamation icon

In 2025 in Switzerland, the annual PM2.5 concentration was 1.9 times the WHO annual PM2.5 guideline.

2025 AQI⁺ country ranking

Which country had the worst air quality in 2025?

#CountryPopulationAQI⁺ US
1
The national flag of Switzerland

Pakistan

231,402,117

159

2
The national flag of Switzerland

Bangladesh

169,356,251

158

3
The national flag of Switzerland

Tajikistan

9,750,064

152

4
The national flag of Switzerland

Chad

17,179,740

146

5
The national flag of Switzerland

Democratic Republic of the Congo

95,894,118

137

6
The national flag of Switzerland

India

1,407,563,842

134

7
The national flag of Switzerland

Kuwait

4,250,114

126

8
The national flag of Switzerland

Uganda

45,853,778

119

9
The national flag of Switzerland

Egypt

109,262,178

114

10
The national flag of Switzerland

Uzbekistan

34,915,100

107

98
The national flag of Switzerland

Switzerland

8,703,405

52

Worldwide PM2.5 ranking

2025 Switzerland global rank in air pollution

98/143

Wildfires in Switzerland

Real-time information

Active fires

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Forest fire.
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Wildfire Map Spotlight: Dome Fire, Yosemite National Park, California

Dry grass burning.
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Wildfire Map Spotlight: Bouquet Fire, California

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How natural disasters degrade air quality

Which is the most polluted state in Switzerland?