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, 12
Jul, 13
Jul, 14
Jul, 15
Jul, 16
Jul, 17
Today
TOP 10 PROVINCES
STANDARD AQI (US)
BEST
WORST
1. Sukhothai
12
2. Phra Nakhon Si Ayutthaya
23
3. Krabi
23
4. Chai Nat
25
5. Samut Songkhram
25
6. Loei
26
7. Kanchanaburi
26
8. Mae Hong Son
27
9. Nong Khai
28
10. Kamphaeng Phet
28
FORECAST
PM 2.5 AQI (US)
July, 18 2025
350
300
250
200
150
100
50
0
0:00
6:00
12:00
18:00
Sat
Sun
Mon
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.
