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Air quality in Cambodia

Air quality index (AQI⁺) and PM2.5 air pollution in Cambodia • 04:18, Oct 31

JuergenCanadian International School of Phnom Penh (CISP)CIA FIRST International SchoolLauri PynnönenAH MISLFRDInternational School of Phnom PenhHond BondHOPE International SchoolCambodia Academy of Digital Technology (CADT)SovannaMRoel BoltParagon International School
JuergenCanadian International School of Phnom Penh (CISP)CIA FIRST International SchoolLauri PynnönenAH MISLFRDInternational School of Phnom PenhHond BondHOPE International SchoolCambodia Academy of Digital Technology (CADT)SovannaMRoel BoltParagon International School

Live most polluted city ranking

Real-time Cambodia most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Cambodia

Phnom Penh

42

2025 Cambodia most polluted city

Siem Reap, Siem Reap

69

Live cleanest city ranking

Real-time Cambodia cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Cambodia

Phnom Penh

39

2025 Cambodia cleanest city

Phnom Penh, Phnom Penh

68

2025 country air quality average

How polluted is Cambodia?

IQAir exclamation icon

In 2025 in Cambodia, the annual PM2.5 concentration was 3.6 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 Cambodia

Pakistan

231,402,117

159

2
The national flag of Cambodia

Bangladesh

169,356,251

158

3
The national flag of Cambodia

Tajikistan

9,750,064

152

4
The national flag of Cambodia

Chad

17,179,740

146

5
The national flag of Cambodia

Democratic Republic of the Congo

95,894,118

137

6
The national flag of Cambodia

India

1,407,563,842

134

7
The national flag of Cambodia

Kuwait

4,250,114

126

8
The national flag of Cambodia

Uganda

45,853,778

119

9
The national flag of Cambodia

Egypt

109,262,178

114

10
The national flag of Cambodia

Uzbekistan

34,915,100

107

46
The national flag of Cambodia

Cambodia

16,589,023

68

Worldwide PM2.5 ranking

2025 Cambodia global rank in air pollution

46/143

Wildfires in Cambodia

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 Cambodia?