US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Dec, 30
Dec, 31
Jan, 1
Jan, 2
Jan, 3
Jan, 4
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Yala
33
2. Ranong
42
3. Trang
42
4. Narathiwat
42
5. Mae Hong Son
52
6. Phatthalung
53
7. Nakhon Si Thammarat
55
8. Phuket
55
9. Surat Thani
55
10. Satun
55
FORECAST
PM 2.5 AQI (US)
January, 5 2026
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Tue
Wed
Thu
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.
