US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Apr, 13
Apr, 14
Apr, 15
Apr, 16
Apr, 17
Apr, 18
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Krabi
53
2. Phangnga
53
3. Trang
53
4. Yala
53
5. Nakhon Si Thammarat
55
6. Phuket
55
7. Surat Thani
55
8. Chanthaburi
57
9. Satun
57
10. Narathiwat
59
FORECAST
PM 2.5 AQI (US)
April, 19 2026
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.
