US AQI
TH AQI
LOCATION COMPARISON
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7 DAYS AGO
STANDARD AQI (US)
350
300
250
200
150
100
50
0
Jul, 6
Jul, 7
Jul, 8
Jul, 9
Jul, 10
Jul, 11
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Bueng Kan
19
2. Nong Khai
26
3. Nan
30
4. Uttaradit
31
5. Phra Nakhon Si Ayutthaya
32
6. Chachoengsao
32
7. Chiang Rai
32
8. Surat Thani
32
9. Sukhothai
33
10. Nakhon Phanom
34
FORECAST
PM 2.5 AQI (US)
July, 12 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Sun
Mon
Tue
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.
