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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
72 Contributors
See all
Weather
What is the current weather in Chiang Mai?
| Weather | Clear sky |
| Temperature | 89.6°F |
| Humidity | 40% |
| Wind | 2.3 mp/h |
| Pressure | 29.7 Hg |
Air pollution has cost an estimated1,000 deaths*in Chiang Mai in 2024Find out more*Air pollution also cost approximately $400,000,000 USD in Chiang Mai in 2024.
live aqi city ranking
Real-time Thailand city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mae On, Chiang Mai | 168 |
| 2 | Uttaradit, Uttaradit | 164 |
| 3 | Chiang Mai, Chiang Mai | 158 |
| 4 | Doi Saket, Chiang Mai | 155 |
| 5 | San Sai, Chiang Mai | 155 |
| 6 | Sukhothai, Sukhothai | 152 |
| 7 | Chiang Rai, Chiang Rai | 149 |
| 8 | Mae Mo, Lampang | 144 |
| 9 | Phitsanulok, Phitsanulok | 130 |
| 10 | Phetchabun, Phetchabun | 114 |
(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 | CHan coffee | 188 |
| 2 | Grand Canyon Chiang Mai | 183 |
| 3 | APIS Main | 176 |
| 4 | Baan Charoonsook | 174 |
| 5 | SALTU CAFE - แซลทู คาเฟ่ | 173 |
| 6 | Wang Tan 4 | 171 |
| 7 | Pruksa Ville 75 | 170 |
| 8 | Prem International School | 169 |
| 9 | YuuBaan Studio | 169 |
| 10 | Mea Hai Market - Kulapant village 5--7 | 168 |
(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
158
live AQI index
Unhealthy
Overview
What is the current air quality in Chiang Mai?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy | 158 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 69.5µg/m³ | |
!
PM2.5
x13.9
PM2.5 concentration in Chiang Mai is currently 13.9 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 |
|---|---|---|---|---|
| Thursday, Apr 25 | Unhealthy 157 AQI US |  | 105.8° 77° |  4.5 mp/h |
| Friday, Apr 26 | Unhealthy 156 AQI US | | 107.6° 77° | 6.7 mp/h |
| Saturday, Apr 27 | Unhealthy 153 AQI US | | 109.4° 77° | 4.5 mp/h |
| Today | Unhealthy 158 AQI US | | 109.4° 77° | 4.5 mp/h |
| Monday, Apr 29 | Moderate 75 AQI US  | | 109.4° 77° | 4.5 mp/h |
| Tuesday, Apr 30 | Moderate 74 AQI US |  30% | 109.4° 78.8° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 76 AQI US |  | 107.6° 77° | 4.5 mp/h |
| Thursday, May 2 | Moderate 75 AQI US | | 109.4° 80.6° | 6.7 mp/h |
| Friday, May 3 | Moderate 67 AQI US | | 107.6° 78.8° | 6.7 mp/h |
| Saturday, May 4 | Moderate 57 AQI US | | 107.6° 78.8° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Chiang Mai air quality data attribution
72Contributors
- 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 CMRU6 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
- YUMI SIRI
1 station
GunFoon ร้านกันฝุ่น1 station
Zynthier1 station
- AirQ@cnx
1 station
ร้านแซลทู คาเฟ่1 station
Sansiri2 stations
The Masterpiece1 station
11 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?
- Rimping Supermarket Nimcity 67
- Saidaroon Kindergarten 72
- Space Eatery 84
- Cat Motors 97
- Don Kaeo Village 7 104
- Singapore International School Chiangmai 2 119
- Mr.Kleane Air Check 124
- The First Church of Chiang Mai 131
- The Prince Royals College 131
- Sansiri - dcondo campus 140
- 33 MD 145
- Hotel MAYU 146
- AQSEA_THA_002 150
- The Masterpiece SceneryHill 151
- Chiang Mai International School 152
- Lanna International School 152
- CM MUNICIPARITY CMRU 16 154
- La Casita - Mexican Food 154
- Moo Ban 154
- Sansiri - Burasiri Sanphisuea 154
- APISP 155
- Americanmotors Chiangmai 155
- CM MUNICIPALITY - CMRU 10 155
- CM MUNICIPALITY - CMRU 24 155
- Khuang Pao Early Childhood Development Center 155
- Ambassador Bilingual Academy - ABA 156
- Luang Nua 156
- Phra Sing 156
- Ruamchok Mall 156
- SBS of Rangsit University (Chiang Mai) 156
- natura green resort 156
- CM MUNICIPALITY - CMRU 21 157
- CM MUNICIPALITY - CMRU 25 157
- CM MUNICIPALITY-CMRU 7 157
- STSC@CMU 157
- Siwalee Cheong Doi 157
- AiroTEC CMRU 158
- Chiang Mai Montessori International School 158
- Dumrongnivet Village 158
- Nantawan Serene Lake Village 158
- Pha Jee 158
- Si Phum, Mueang 158
- Banana Coding 159
- Bright Seeds International Kindergarten 2 159
- CM MUNICIPALITY - CMRU 23 159
- Varee Chiangmai International School 159
- ODPC1_CMRU_AiroTEC 160
- Americana Chinese International School - ACIS 161
- Lacroix Organic Farm ( Lacroix Maze Garden ) 161
- UCIS : Unity Concord International School 161
- British Concordance International School 162
- CM Mediclinic 162
- Chiang Mai. Baan Sirin Home 162
- Hana Christian International Kindergarten 162
- NIS-NAKORNPAYAP INTERNATIONAL SCHOOL 162
- Ban Wangtan 163
- CENDiM CMU 163
- Khuang Sri Boon 163
- Wichai Wittaya English Program 163
- Meritton British International School 164
- City Hall, Chiangmai 165
- Hussadhisawee Soi 3 165
- Kankanok19 village 165
- San Phak Wan 165
- Serene Lake 165
- North Chiangmai University 166
- Panyaden International School 166
- Nongphueng 444 M.1 167
- Mea Hai Market - Kulapant village 5--7 168
- Soi Sri Sukri 1 168
- Prem International School 169
- YuuBaan Studio 169
- Pruksa Ville 75 170
- Wang Tan 4 171
- SALTU CAFE - แซลทู คาเฟ่ 173
- Baan Charoonsook 174
- APIS Main 176
- Grand Canyon Chiang Mai 183
- CHan coffee 188
AQI US, Metric