Chiang Mai
126 monitoring stations · readings from 12 to 99
Average AQI
Air quality in Chiang Mai
Air quality in Chiang Mai is currently 50 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in Chiang Mai right now.
We aggregate 126 stations across Chiang Mai. Individual stations range from 12 at the cleanest to 99 at the worst, so conditions vary across Chiang Mai — the local figure matters more than the average.
Chiang Mai breaks down into 11 cities you can open individually. Of those listed below, Chiang Dao District is reading highest at 78 and Pa Daet Subdistrict lowest at 33.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Cities in Chiang Mai
11 cities
Chiang Dao District
Moderate
- Stations
- 1
- Range
- 78–78
San Sai District
Moderate
- Stations
- 1
- Range
- 68–68
Ban Piang Luang
Moderate
- Stations
- 33
- Range
- 38–99
Ban Mae Cho
Moderate
- Stations
- 12
- Range
- 46–75
Omkoi
Moderate
- Stations
- 1
- Range
- 56–56
Omkoi District
Moderate
- Stations
- 1
- Range
- 56–56
Ban Ton Pao
Good
- Stations
- 14
- Range
- 38–82
Chiang Mai
Good
- Stations
- 48
- Range
- 25–54
Ban Mae Kha Tai
Good
- Stations
- 13
- Range
- 12–46
Hot District
Good
- Stations
- 1
- Range
- 33–33
Pa Daet Subdistrict
Good
- Stations
- 1
- Range
- 33–33
About Chiang Mai
Coordinates
18.980, 98.920
Centroid of monitored stations
Stations
126
Reporting in this area
Spread
12 – 99
Cleanest to worst station reading
Chiang Mai air quality, answered
Chiang Mai is currently reading an AQI of 50, which is Good. It is the average across 126 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
50 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 126 stations in Chiang Mai, reading between 12 and 99.
Of the cities currently listed for Chiang Mai, Chiang Dao District is reading highest at 78 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Chiang Mai on the map.
Every station around it, live — or find out what today's reading means for you personally.


