US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Feb, 14
Feb, 15
Feb, 16
Feb, 17
Feb, 18
Feb, 19
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Yasothon
29
2. Trang
37
3. Yala
40
4. Roi Et
42
5. Sakon Nakhon
46
6. Nakhon Si Thammarat
46
7. Krabi
46
8. Phangnga
46
9. Phuket
46
10. Surat Thani
46
FORECAST
PM 2.5 AQI (US)
February, 20 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Sat
Sun
Mon
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.
