US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Oct, 6
Oct, 7
Oct, 8
Oct, 9
Oct, 10
Oct, 11
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Chumphon
17
2. Yala
17
3. Chai Nat
19
4. Satun
21
5. Phitsanulok
23
6. Surat Thani
25
7. Uttaradit
28
8. Sakon Nakhon
31
9. Phatthalung
31
10. Udon Thani
32
FORECAST
PM 2.5 AQI (US)
October, 12 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Mon
Tue
Wed
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.
