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Air quality in Switzerland

Air quality index (AQI⁺) and PM2.5 air pollution in Switzerland • 15:48, Oct 31

Nationales Beobachtungsnetz fur LuftfremdstoffeDie Kantone der NordwestschweizHealth and Environment Department - City of ZurichLuftqualität in der Ostschweiz und in LiechtensteinBundesamt für Umwelt BAFU (Schweiz)Luftmessnetz der InnerschweizCanton du ValaisEnvironmental Observatory of Italian SwitzerlandTransalp'AIRBeide BaselRépublique et canton de GenèveCanton de VaudOffice for the Nature and Environment of the GrisonsSC78IQAir GlobalStadt BernFabianMessstelle bei Schulhaus Berg ThalwilBernhardFrankXYZ ZurichMarkWJean-François BrieferBuergyRudyStazione DinoUnbekanntHFMGT9www.manu-webcam.chchristophe HA.A. PM2.5To-BChristian WeberDaniel 15Unité Énergie & Climat - Ville de CrissierGarnier Jean-PierreMelotti Planung GmbH
Nationales Beobachtungsnetz fur LuftfremdstoffeDie Kantone der NordwestschweizHealth and Environment Department - City of ZurichLuftqualität in der Ostschweiz und in LiechtensteinBundesamt für Umwelt BAFU (Schweiz)Luftmessnetz der InnerschweizCanton du ValaisEnvironmental Observatory of Italian SwitzerlandTransalp'AIRBeide BaselRépublique et canton de GenèveCanton de VaudOffice for the Nature and Environment of the GrisonsSC78IQAir GlobalStadt BernFabianMessstelle bei Schulhaus Berg ThalwilBernhardFrankXYZ ZurichMarkWJean-François BrieferBuergyRudyStazione DinoUnbekanntHFMGT9www.manu-webcam.chchristophe HA.A. PM2.5To-BChristian WeberDaniel 15Unité Énergie & Climat - Ville de CrissierGarnier Jean-PierreMelotti Planung GmbH

Live most polluted city ranking

Real-time Switzerland most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Switzerland

Lausanne

83

2
The national flag of Switzerland

Bern

57

3
The national flag of Switzerland

Zurich

57

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

Bern

57

2
The national flag of Switzerland

Zurich

57

3
The national flag of Switzerland

Lausanne

83

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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Multiple buildings aerial shot
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Pakistan Air Quality Alert

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

Which is the most polluted state in Switzerland?