Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
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 | 102.2°F |
| Humidity | 36% |
| Wind | 5.7 mp/h |
| Pressure | 29.2 Hg |
Air pollution has cost an estimated1,100 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 Mo, Lampang | 167 |
| 2 | Doi Saket, Chiang Mai | 166 |
| 3 | Chiang Rai, Chiang Rai | 164 |
| 4 | San Sai, Chiang Mai | 164 |
| 5 | Chiang Mai, Chiang Mai | 160 |
| 6 | Mae On, Chiang Mai | 159 |
| 7 | Sam Phran, Nakhon Pathom | 155 |
| 8 | Sukhothai, Sukhothai | 122 |
| 9 | Uttaradit, Uttaradit | 122 |
| 10 | Udon Thani, Changwat Udon Thani | 115 |
(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 | 190 |
| 2 | Grand Canyon Chiang Mai | 186 |
| 3 | North Chiangmai University | 186 |
| 4 | Hussadhisawee Soi 3 | 182 |
| 5 | Khuang Sri Boon | 178 |
| 6 | CENDiM CMU | 176 |
| 7 | Si Phum, Mueang | 176 |
| 8 | Serene Lake | 174 |
| 9 | CM MUNICIPALITY - CMRU 10 | 172 |
| 10 | CM Mediclinic | 172 |
(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
160
live AQI index
Unhealthy
Overview
What is the current air quality in Chiang Mai?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy | 160 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 73.5µg/m³ | |
!
PM2.5
x14.7
PM2.5 concentration in Chiang Mai is currently 14.7 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 155 AQI US | | 109.4° 77° | 4.5 mp/h |
| Today | Unhealthy 160 AQI US | | 105.8° 77° | 6.7 mp/h |
| Monday, Apr 29 | Moderate 74 AQI US  | | 107.6° 78.8° | 4.5 mp/h |
| Tuesday, Apr 30 | Moderate 76 AQI US | | 109.4° 78.8° | 4.5 mp/h |
| Wednesday, May 1 | Moderate 76 AQI US |  20% | 109.4° 78.8° | 6.7 mp/h |
| Thursday, May 2 | Moderate 64 AQI US |  | 107.6° 78.8° | 6.7 mp/h |
| Friday, May 3 | Moderate 57 AQI US | | 107.6° 78.8° | 6.7 mp/h |
| Saturday, May 4 | Moderate 56 AQI US |  | 105.8° 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?
- Saidaroon Kindergarten 80
- Rimping Supermarket Nimcity 95
- Don Kaeo Village 7 107
- Cat Motors 114
- CHan coffee 122
- SBS of Rangsit University (Chiang Mai) 134
- Space Eatery 134
- The First Church of Chiang Mai 138
- The Masterpiece SceneryHill 138
- Lanna International School 148
- Singapore International School Chiangmai 2 152
- CM MUNICIPALITY - CMRU 25 154
- Khuang Pao Early Childhood Development Center 154
- Mr.Kleane Air Check 154
- Meritton British International School 155
- UCIS : Unity Concord International School 156
- APIS Main 157
- APISP 157
- Americana Chinese International School - ACIS 157
- British Concordance International School 157
- Varee Chiangmai International School 157
- YuuBaan Studio 157
- Baan Charoonsook 158
- CM MUNICIPARITY CMRU 16 158
- Dumrongnivet Village 158
- La Casita - Mexican Food 158
- Nongphueng 444 M.1 158
- Sansiri - dcondo campus 158
- Americanmotors Chiangmai 159
- Banana Coding 159
- CM MUNICIPALITY - CMRU 24 159
- CM MUNICIPALITY-CMRU 7 159
- Panyaden International School 159
- Sansiri - Burasiri Sanphisuea 159
- The Prince Royals College 159
- 33 MD 160
- Ambassador Bilingual Academy - ABA 160
- Ban Wangtan 160
- CM MUNICIPALITY - CMRU 23 160
- ODPC1_CMRU_AiroTEC 160
- CM MUNICIPALITY - CMRU 21 161
- Chiang Mai International School 161
- Hotel MAYU 161
- Moo Ban 162
- Pha Jee 162
- Ruamchok Mall 162
- Soi Sri Sukri 1 162
- Wang Tan 4 162
- AQSEA_THA_002 163
- AiroTEC CMRU 163
- Chiang Mai Montessori International School 163
- San Phak Wan 163
- Siwalee Cheong Doi 163
- Hana Christian International Kindergarten 164
- Mea Hai Market - Kulapant village 5--7 164
- Phra Sing 164
- Lacroix Organic Farm ( Lacroix Maze Garden ) 165
- Nantawan Serene Lake Village 165
- SALTU CAFE - แซลทู คาเฟ่ 165
- Luang Nua 166
- NIS-NAKORNPAYAP INTERNATIONAL SCHOOL 166
- Prem International School 166
- natura green resort 166
- Pruksa Ville 75 167
- Bright Seeds International Kindergarten 2 168
- STSC@CMU 169
- Wichai Wittaya English Program 170
- Kankanok19 village 171
- CM MUNICIPALITY - CMRU 10 172
- CM Mediclinic 172
- Chiang Mai. Baan Sirin Home 172
- Serene Lake 174
- CENDiM CMU 176
- Si Phum, Mueang 176
- Khuang Sri Boon 178
- Hussadhisawee Soi 3 182
- Grand Canyon Chiang Mai 186
- North Chiangmai University 186
- City Hall, Chiangmai 190
AQI US, Metric