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Air quality in Chiang Mai
Air quality index (AQI) and PM2.5 air pollution in Chiang Mai
11.7M people follow this city
Chiang Mai Air Quality Map
Real-time Chiang Mai air pollution map
AIR QUALITY DATA CONTRIBUTORS
71 Contributors
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Weather
What is the current weather in Chiang Mai?
| Weather | Clear sky |
| Temperature | 100.4°F |
| Humidity | 44% |
| Wind | 3.9 mp/h |
| Pressure | 28.7 Hg |
Air pollution has cost an estimated1,000 deaths*in Chiang Mai in 2024Find out more*Air pollution also cost approximately $390,000,000 USD in Chiang Mai in 2024.
live aqi city ranking
Real-time Thailand city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Doi Saket, Chiang Mai | 170 |
| 2 | San Sai, Chiang Mai | 169 |
| 3 | Chiang Mai, Chiang Mai | 168 |
| 4 | Mae On, Chiang Mai | 163 |
| 5 | Mae Mo, Lampang | 156 |
| 6 | Chiang Rai, Chiang Rai | 130 |
| 7 | Uttaradit, Uttaradit | 117 |
| 8 | Sukhothai, Sukhothai | 96 |
| 9 | Hua Hin, Prachuap Khiri Khan | 92 |
| 10 | Cha-am, Phetchaburi | 88 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Chiang Mai aqi ranking
Real-time Chiang Mai air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | City Hall, Chiangmai | 207 |
| 2 | Hussadhisawee Soi 3 | 197 |
| 3 | Si Phum, Mueang | 194 |
| 4 | CENDiM CMU | 187 |
| 5 | Grand Canyon Chiang Mai | 186 |
| 6 | Khuang Sri Boon | 186 |
| 7 | Serene Lake | 184 |
| 8 | North Chiangmai University | 183 |
| 9 | Chiang Mai. Baan Sirin Home | 182 |
| 10 | CM Mediclinic | 179 |
(local time)
SEE WORLD AQI RANKING
Spotlight
There is a fire near Wiang. Protect yourself from wildfire smoke and follow health recommendations. Click here.
US AQI
168
live AQI index
Unhealthy
Overview
What is the current air quality in Chiang Mai?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy | 168 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 89.1µg/m³ | |
!
PM2.5
x17.8
PM2.5 concentration in Chiang Mai is currently 17.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chiang Mai?
 | Avoid outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Wear a mask outdoors GET A MASK |
 | Run an air purifier GET AN AIR PURIFIER |
Forecast
Chiang Mai air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 23 | Unhealthy 154 AQI US |  | 107.6° 78.8° |  4.5 mp/h |
| Wednesday, Apr 24 | Unhealthy 153 AQI US | | 107.6° 78.8° | 4.5 mp/h |
| Thursday, Apr 25 | Unhealthy 157 AQI US | | 105.8° 77° | 4.5 mp/h |
| Today | Unhealthy 168 AQI US | | 107.6° 77° | 8.9 mp/h |
| Saturday, Apr 27 | Moderate 83 AQI US  | | 107.6° 77° | 6.7 mp/h |
| Sunday, Apr 28 | Moderate 85 AQI US | | 109.4° 78.8° | 4.5 mp/h |
| Monday, Apr 29 | Moderate 83 AQI US | | 109.4° 80.6° | 4.5 mp/h |
| Tuesday, Apr 30 | Moderate 82 AQI US | | 111.2° 78.8° | 6.7 mp/h |
| Wednesday, May 1 | Moderate 76 AQI US |  | 105.8° 78.8° | 8.9 mp/h |
| Thursday, May 2 | Moderate 76 AQI US |  30% | 105.8° 78.8° | 4.5 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Chiang Mai air quality data attribution
71Contributors
- Chiang Mai Municipality
1 station
- Thailand Pollution Control Department
2 stations
- James Sc
1 station
3 Government Contributors
2 Non-profit organization Contributors
- American Pacific International School
1 station
- Ambassador Bilingual Academy - ABA
1 station
Bright Seeds International Kindergarten1 station
British Concordance International School1 station
AiroTEC CMRU7 stations
Chiang Mai International School1 station
- Lanna International School
1 station
Meritton British International School1 station
Nakornpayap International School1 station
ฝ่ายอาคารสถานที ม.นอร์ท-เชียงใหม่1 station
Panyaden International School1 station
- Prem International School
1 station
Saidaroon Kindergarten School1 station
SISB Schools1 station
The Prince Royal’s College1 station
Unity Concord International School1 station
Varee Chiangmai International School1 station
22 Educational Contributors
Banana Coding1 station
CM Mediclinic1 station
Hotel1 station
La Casita - Mexican Food1 station
GunFoon ร้านกันฝุ่น1 station
Zynthier1 station
- AirQ@cnx
1 station
ร้านแซลทู คาเฟ่1 station
Sansiri2 stations
The Masterpiece1 station
10 Corporate Contributors
- Pisanupong JP
1 station
AiroTEC CMRU1 station
- benjamas sittidech
1 station
East Swasdiburi1 station
- Peter Eisenbacher
1 station
Udompong Yongdechasathit1 station
Cat Motors1 station
TarVong1 station
Rut Wong1 station
- Per Schjetne
1 station
- samanahavemail
1 station
Khuang Sri Boon1 station
- Luang Nua
1 station
- S
1 station
Chatkul1 station
- Adisak F
1 station
- KaoChao
1 station
- Teera Klai
1 station
- จินตวัฒน์ ตุ้ยเต็มวงศ์
1 station
- HS
1 station
PIRAB1 station
Diddking1 station
Space Eatery1 station
- pom
1 station
Akecmtd1 station
- matteo
1 station
27 Individual Contributors
7 Anonymous contributors7 stations
7 Anonymous Contributors
4 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Chiang Mai?
- Saidaroon Kindergarten 90
- Rimping Supermarket Nimcity 124
- The Masterpiece SceneryHill 131
- AQSEA_THA_002 135
- Cat Motors 143
- Don Kaeo Village 7 151
- Khuang Pao Early Childhood Development Center 151
- Chiang Mai Montessori International School 153
- Baan Charoonsook 155
- Space Eatery 155
- CHan coffee 156
- Meritton British International School 158
- The First Church of Chiang Mai 158
- Lanna International School 159
- APIS Main 160
- British Concordance International School 160
- SBS of Rangsit University (Chiang Mai) 160
- Singapore International School Chiangmai 2 160
- APISP 161
- Varee Chiangmai International School 161
- Americana Chinese International School - ACIS 162
- Panyaden International School 162
- The Prince Royals College 162
- Ambassador Bilingual Academy - ABA 163
- Pha Jee 163
- Sansiri - dcondo campus 163
- UCIS : Unity Concord International School 163
- 33 MD 164
- Dumrongnivet Village 164
- YuuBaan Studio 164
- Nongphueng 444 M.1 165
- CM MUNICIPARITY CMRU 16 166
- CM MUNICIPALITY - CMRU 23 167
- CM MUNICIPALITY - CMRU 24 167
- Hana Christian International Kindergarten 167
- Americanmotors Chiangmai 168
- Banana Coding 168
- La Casita - Mexican Food 168
- Mr.Kleane Air Check 168
- ODPC1_CMRU_AiroTEC 168
- Sansiri - Burasiri Sanphisuea 168
- CM MUNICIPALITY - CMRU 21 169
- SALTU CAFE - แซลทู คาเฟ่ 169
- CM MUNICIPALITY-CMRU-11 170
- Chiang Mai International School 170
- Mea Hai Market - Kulapant village 5--7 170
- Moo Ban 170
- Siwalee Cheong Doi 170
- Soi Sri Sukri 1 170
- Wang Tan 4 170
- Ban Wangtan 171
- CM MUNICIPALITY - CMRU 10 171
- CM MUNICIPALITY-CMRU 7 171
- Ruamchok Mall 172
- San Phak Wan 172
- CM MUNICIPALITY - CMRU 25 173
- Phra Sing 173
- Hotel MAYU 174
- Luang Nua 174
- Prem International School 174
- AiroTEC CMRU 175
- Nantawan Serene Lake Village 175
- Bright Seeds International Kindergarten 2 176
- natura green resort 176
- Wichai Wittaya English Program 177
- CM Mediclinic 179
- Kankanok19 village 179
- NIS-NAKORNPAYAP INTERNATIONAL SCHOOL 179
- Pruksa Ville 75 179
- STSC@CMU 179
- Chiang Mai. Baan Sirin Home 182
- North Chiangmai University 183
- Serene Lake 184
- Grand Canyon Chiang Mai 186
- Khuang Sri Boon 186
- CENDiM CMU 187
- Si Phum, Mueang 194
- Hussadhisawee Soi 3 197
- City Hall, Chiangmai 207
AQI US, Metric