Chiang Rai
64 monitoring stations · readings from 50 to 106
Average AQI
Air quality in Chiang Rai
Air quality in Chiang Rai is currently 79 on the AQI scale, which falls in the Moderate band. That number is the average across every monitoring station reporting in Chiang Rai right now.
We aggregate 64 stations across Chiang Rai. Individual stations range from 50 at the cleanest to 106 at the worst, so conditions vary across Chiang Rai — the local figure matters more than the average.
Chiang Rai breaks down into 10 cities you can open individually. Of those listed below, Chiang Khong is reading highest at 101 and Phan lowest at 58.
Readings refresh hourly from the official monitoring networks we track. Conditions can change quickly, so check back before planning time outdoors.
What to do at moderate levels
Outdoor activity
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner.
Sensitive groups
Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
Indoor air
Ventilating is still worthwhile. Consider closing up during traffic peaks if you live on a busy road.
Cities in Chiang Rai
10 cities
Chiang Khong
Unhealthy for Sensitive
- Stations
- 1
- Range
- 101–101
Doi Luang
Moderate
- Stations
- 1
- Range
- 88–88
Wiang Kaen
Moderate
- Stations
- 1
- Range
- 88–88
Mae Sai
Moderate
- Stations
- 11
- Range
- 78–99
Mae Sai District
Moderate
- Stations
- 1
- Range
- 78–78
Mae Salong Nok
Moderate
- Stations
- 1
- Range
- 78–78
Chiang Rai
Moderate
- Stations
- 45
- Range
- 50–106
Kun Tan
Moderate
- Stations
- 1
- Range
- 69–69
Phan District
Moderate
- Stations
- 1
- Range
- 65–65
Phan
Moderate
- Stations
- 1
- Range
- 58–58
About Chiang Rai
Coordinates
19.971, 99.887
Centroid of monitored stations
Stations
64
Reporting in this area
Spread
50 – 106
Cleanest to worst station reading
Chiang Rai air quality, answered
Chiang Rai is currently reading an AQI of 79, which is Moderate. It is the average across 64 reporting stations.
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner. Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
79 sits in the Moderate 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 64 stations in Chiang Rai, reading between 50 and 106.
Of the cities currently listed for Chiang Rai, Chiang Khong is reading highest at 101 (Unhealthy for Sensitive).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Chiang Rai on the map.
Every station around it, live — or find out what today's reading means for you personally.


