WorldArrow icon
Arrow iconChiang Rai

Air quality in Chiang Rai

Air quality index (AQI⁺) and PM2.5 air pollution in Chiang Rai • 23:57, May 18

Live most polluted city ranking

Real-time Chiang Rai most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Thailand

Wiang Phang Kham

85

2
The national flag of Thailand

Mae Fa Luang

71

3
The national flag of Thailand

Mae Sai

64

4
The national flag of Thailand

Mae Lao

63

5
The national flag of Thailand

Mae Suai

59

6
The national flag of Thailand

Rop Wiang

54

7
The national flag of Thailand

Chiang Rai

52

8
The national flag of Thailand

Rim Kok

52

9
The national flag of Thailand

Wiang Kaen

51

10
The national flag of Thailand

Mae Kon

50

Live cleanest city ranking

Real-time Chiang Rai cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Thailand

Doi Luang

33

2
The national flag of Thailand

Pa Daet

33

3
The national flag of Thailand

Chiang Saen

38

4
The national flag of Thailand

Wiang Chai

41

5
The national flag of Thailand

Chiang Khong

44

6
The national flag of Thailand

Mae Chan

44

7
The national flag of Thailand

Pong Pha

44

8
The national flag of Thailand

Wiang

44

9
The national flag of Thailand

Mae Kon

50

10
The national flag of Thailand

Wiang Kaen

51

external link icon

Wildfire map spotlight: Sandy Fire, California

external link icon

May 18, 2026: Johannesburg among top 10 most polluted cities in the world

external link icon

Heatwave Map Spotlight: Middle East

Which is the most polluted city in Chiang Rai?