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, 16
May, 17
May, 18
May, 19
May, 20
May, 21
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Chumphon
21
2. Narathiwat
25
3. Yala
27
4. Nakhon Si Thammarat
29
5. Krabi
29
6. Phuket
29
7. Surat Thani
29
8. Satun
29
9. Kamphaeng Phet
37
10. Trang
37
FORECAST
PM 2.5 AQI (US)
May, 22 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.
