US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Sep, 16
Sep, 17
Sep, 18
Sep, 19
Sep, 20
Sep, 21
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Surin
12
2. Nakhon Phanom
12
3. Loei
17
4. Roi Et
17
5. Mae Hong Son
17
6. Phitsanulok
17
7. Ubon Ratchathani
21
8. Sakon Nakhon
21
9. Phayao
21
10. Kamphaeng Phet
21
FORECAST
PM 2.5 AQI (US)
September, 22 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Tue
Wed
Thu
DISCOVER
OUR SENSOR
OUR SENSOR
Check the real-time PM2.5, PM10, and AQI in your area with the dust sensor developed by the Faculty of Engineering, Chulalongkorn University. Track your air quality with our dashboard showing the real-time data that can calculate the Air Quality Index (AQI) in real-time format or standard formats of both Thai and US AQI.
