Air quality in Thailand

Air quality index (AQI) and PM2.5 air pollution in Thailand

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Thailand
Most polluted city ranking

#cityUS AQI
1 Chiang Mai, Chiang Mai

158

2 Ayutthaya, Phra Nakhon Si Ayutthaya

157

3 Chiang Rai, Chiang Rai

154

4 San Sai, Chiang Mai

152

5 Sukhothai, Sukhothai

151

6 Uttaradit, Uttaradit

141

7 Mae Mo, Lampang

136

8 Mae On, Chiang Mai

132

9 Pak Chong, Nakhon Ratchasima

123

10 Doi Saket, Chiang Mai

122

(local time)

SEE WORLD AQI RANKING

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LIVE AQI CITY RANKING

Real-time Thailand
Cleanest city ranking

#cityUS AQI
1 Ko Pha Ngan, Surat Thani

46

2 Thalang, Phuket

49

3 Khlong Luang, Pathum Thani

57

4 Ratchaburi, Ratchaburi

58

5 Udon Thani, Changwat Udon Thani

62

6 Hua Hin, Prachuap Khiri Khan

64

7 Pak Kret, Nonthaburi

65

8 Rayong, Rayong

65

9 Cha-am, Phetchaburi

68

10 Pathum Thani, Pathum Thani

68

(local time)

SEE WORLD AQI RANKING

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OVERVIEW

How polluted is Thailand?

The national flag of International

2023 Air quality average

Human face indicating AQI level

Moderate

2023 average US AQI

74

!

PM2.5

x4.7

2023 average PM2.5 concentration in Thailand: 4.7 times the WHO annual air quality guideline value

2023  Thailand cleanest city Ko Chang Tai , Trat

20

2023  Thailand most polluted city Phan , Chiang Rai

141

2023 aqi country ranking

How does Thailand rank globally in air pollution?

36/134

Which country had the worst air quality in 2023?

#COUNTRYPopulationAVG. US
1The national flag of InternationalBangladesh169,356,251

164

2The national flag of InternationalPakistan231,402,117

160

3The national flag of InternationalIndia1,407,563,842

147

4The national flag of InternationalTajikistan9,750,064

134

5The national flag of InternationalBurkina Faso22,100,683

128

6The national flag of InternationalIraq43,533,592

121

7The national flag of InternationalUnited Arab Emirates9,365,145

119

8The national flag of InternationalNepal30,034,989

118

9The national flag of InternationalEgypt109,262,178

118

10The national flag of InternationalDemocratic Republic of the Congo95,894,118

114

36The national flag of InternationalThailand71,601,103

74

SEE DETAIL

How to best protect from air pollution?

Reduce your air pollution exposure in Thailand

Thailand air quality data attribution

493Contributors

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