US AQI
TH AQI
LOCATION COMPARISON
Loading...
7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Sep, 17
Sep, 18
Sep, 19
Sep, 20
Sep, 21
Sep, 22
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Nakhon Phanom
12
2. Mae Hong Son
12
3. Kamphaeng Phet
12
4. Phra Nakhon Si Ayutthaya
17
5. Ubon Ratchathani
17
6. Udon Thani
17
7. Loei
17
8. Roi Et
17
9. Sakon Nakhon
17
10. Phitsanulok
17
FORECAST
PM 2.5 AQI (US)
September, 23 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Wed
Thu
Fri
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.
