WorldArrow icon
Arrow iconChiang Rai

Air quality in Chiang Rai

Air quality index (AQI⁺) and PM2.5 air pollution in Chiang Rai • 22:13, May 31

Live most polluted city ranking

Real-time Chiang Rai most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Thailand

Mae Sai

67

2
The national flag of Thailand

Chiang Saen

63

3
The national flag of Thailand

Pa Daet

60

4
The national flag of Thailand

Wiang Phang Kham

58

5
The national flag of Thailand

Chiang Khong

56

6
The national flag of Thailand

Wiang Kaen

54

7
The national flag of Thailand

Chiang Rai

53

8
The national flag of Thailand

Mae Chan

53

9
The national flag of Thailand

Pong Pha

52

10
The national flag of Thailand

Wiang

52

Live cleanest city ranking

Real-time Chiang Rai cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Thailand

Mae Lao

20

2
The national flag of Thailand

Mae Suai

22

3
The national flag of Thailand

Rim Kok

22

4
The national flag of Thailand

Rop Wiang

38

5
The national flag of Thailand

Mae Kon

39

6
The national flag of Thailand

Mae Fa Luang

44

7
The national flag of Thailand

Wiang Chai

47

8
The national flag of Thailand

Doi Luang

48

9
The national flag of Thailand

Pong Pha

52

10
The national flag of Thailand

Wiang

52

external link icon

Caribbean Air Quality Alert: Saharan Dust Plume

external link icon

May 31, 2026: Johannesburg among top 10 most polluted cities in the world

external link icon

Wildfire map spotlight: Seven Cabins Fire, New Mexico

Which is the most polluted city in Chiang Rai?