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" All polltant concentrations are daily average (10
a.m. yesterday - 9 a.m. today).
AQI is based on the 24 hours running average,
calculated at 09.00 hrs today."
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| Site | SO2 | NO2 | CO | Ozone | PM10 | AQI |
| Ayutthaya | 6.0 | 11.0 | 0.4 | 23.0 |
27.8 |
75.0 |
| Chacherngsao | 1.0 | 2.0 | 0.3 | 22.0 |
15.5 |
38.0 |
| Chiang Mai | 0.0 | 4.0 | 0.3 | 11.0 |
15.8 |
26.0 |
| Chiangmai | | | | |
|
|
| Chiangrai | | | 0.6 | 12.0 |
15.2 |
22.0 |
| Chon Buri | 1.0 | 9.0 | 0.3 | 12.0 |
32.3 |
40.0 |
| Hatyai | 1.0 | 7.0 | 0.4 | 20.0 |
34.4 |
48.0 |
| Khon Kaen | 1.0 | 10.0 | 0.6 | 11.0 |
15.6 |
22.0 |
| Lampang | 0.0 | 26.0 | 0.1 | |
27.2 |
34.0 |
| Lumpoon | 1.0 | 3.0 | 0.3 | 12.0 |
20.5 |
26.0 |
| Maehongson | | | 0.4 | 9.0 |
19.5 |
24.0 |
| Nakhon Ratchasima | | | | |
|
|
| Nakorn Sawan | | | | |
|
|
| Narativas | | | 0.4 | |
22.4 |
28.0 |
| Nhan | 0.0 | 0.0 | 0.3 | 9.0 |
16.4 |
21.0 |
| Nonthaburi | 6.0 | 10.0 | 0.9 | 9.0 |
40.6 |
50.0 |
| Pae | | | | |
|
|
| Pathum Thani | 3.0 | 12.0 | 0.6 | |
39.3 |
49.0 |
| Payao | | | | |
|
|
| Phuket | 3.0 | 10.0 | 0.5 | 8.0 |
34.5 |
43.0 |
| Ratcha Buri | 7.0 | 7.0 | 0.8 | 20.0 |
44.0 |
53.0 |
| Rayong | 6.0 | 9.0 | 0.3 | 14.0 |
32.0 |
40.0 |
| Samut Prakarn | 3.0 | 22.0 | 1.1 | 5.0 |
50.0 |
56.0 |
| Samut Sakorn | 14.0 | 18.0 | 1.2 | 9.0 |
39.0 |
49.0 |
| Sara Buri | 1.0 | 20.0 | 0.6 | 7.0 |
96.5 |
85.0 |
| Satul | 1.0 | 8.0 | 0.8 | 14.0 |
21.5 |
39.0 |
| Surat Thani | 0.0 | 9.0 | 0.2 | 11.0 |
36.6 |
46.0 |
| Trung | 3.0 | 8.0 | 0.6 | |
42.1 |
51.0 |
| Uparaj Collage (Chiangmai 36T) | 1.0 | 8.0 | 0.3 | 8.0 |
18.0 |
23.0 |
| Yala | | | 0.4 | |
22.5 |
28.0 |
| Standard |
120 |
* |
* |
* |
120 |
100 | | |
Note
SO2 units : ppb (1/1,000,000,000)
NO2 units : ppb (1/1,000,000,000)
CO units : ppm, 1/1,000,000
Ozone units : ppb, 1/1,000,000,000
PM10 units : µg/m3
Pollutants are 1 hour averages except noted, and PM10 is 24 hour average.
PM10 : particulate matter (dust) <10 microns (raw data)
AQI : Air Quality Index (AQI)
should not exceed 100
* :
24 hour average of ambient standard value
not available.
Monthly and Annual Report on Ambient Air
Quality in Thailand can be obtain from
www.aqnis.pcd.go.th
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