US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
May, 21
May, 22
May, 23
May, 24
May, 25
May, 26
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Trang
17
2. Loei
21
3. Kamphaeng Phet
21
4. Phichit
21
5. Nakhon Si Thammarat
21
6. Phuket
21
7. Surat Thani
21
8. Chumphon
21
9. Satun
21
10. Yala
21
FORECAST
PM 2.5 AQI (US)
May, 27 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Thu
Fri
Sat
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.
