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, 13
May, 14
May, 15
May, 16
May, 17
May, 18
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Chumphon
12
2. Kamphaeng Phet
17
3. Krabi
17
4. Trang
17
5. Narathiwat
17
6. Yala
19
7. Surin
21
8. Yasothon
21
9. Sakon Nakhon
21
10. Phitsanulok
21
FORECAST
PM 2.5 AQI (US)
May, 19 2026
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.
