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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 | | | | |
|
|
| Chacherngsao | | | 0.1 | 19.0 |
27.2 |
34.0 |
| Chiang Mai | 1.0 | 10.0 | 0.7 | 37.0 |
65.8 |
70.0 |
| Chiangrai | | | 1.2 | 19.0 |
83.6 |
77.0 |
| Chiangrai(MaeSai) | | | | |
101.7 |
89.0 |
| Chon Buri | 1.0 | 10.0 | 0.8 | 13.0 |
14.8 |
30.0 |
| Hatyai | 0.0 | 2.0 | 0.3 | 6.0 |
10.8 |
14.0 |
| Khon Kaen | 1.0 | 21.0 | 1.0 | 22.0 |
27.4 |
34.0 |
| Lampang | 0.0 | 4.0 | 1.1 | 28.0 |
105.4 |
91.0 |
| LOEI | | | | |
31.3 |
39.0 |
| Lumpoon | 2.0 | | 0.7 | |
75.1 |
72.0 |
| Maehongson | | | 0.8 | 16.0 |
37.5 |
47.0 |
| Nakhon Ratchasima | 1.0 | 32.0 | 1.2 | 10.0 |
77.2 |
73.0 |
| Nakorn Sawan | | 34.0 | 1.0 | 16.0 |
57.9 |
61.0 |
| Narativas | | | 0.5 | |
|
|
| Nhan | | | | |
|
|
| Nonthaburi | 2.0 | 25.0 | 1.1 | 6.0 |
70.5 |
69.0 |
| Pae | 2.0 | 10.0 | 0.9 | 18.0 |
73.7 |
71.0 |
| Pathum Thani | | | | |
|
|
| Payao | 1.0 | 8.0 | 0.7 | 29.0 |
68.0 |
68.0 |
| Phuket | 2.0 | 6.0 | 0.2 | 21.0 |
30.3 |
38.0 |
| Ratcha Buri | 6.0 | 11.0 | 0.9 | 17.0 |
46.0 |
54.0 |
| Rayong | 0.0 | 16.0 | 0.7 | |
56.0 |
60.0 |
| Sakaeo | | | | |
35.1 |
44.0 |
| Samut Prakarn | 4.0 | 31.0 | 1.3 | 4.0 |
76.7 |
73.0 |
| Samut Sakorn | 20.0 | 26.0 | 1.6 | 2.0 |
47.7 |
55.0 |
| Sara Buri | 1.0 | 29.0 | 1.0 | 8.0 |
128.8 |
104.0 |
| Surat Thani | 3.0 | 3.0 | 0.2 | 10.0 |
23.3 |
29.0 |
| Uparaj Collage (Chiangmai 36T) | 1.0 | 22.0 | 1.0 | 32.0 |
56.3 |
68.0 |
| Yala | | | 0.5 | |
12.3 |
15.0 |
| 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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