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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."
| Site |
Location |
SO2 |
NO2 |
CO (1hr) |
CO (8hr) |
Ozone |
PM 10 |
AQI |
| Bang Khunthien |
General
|
5.0 |
13.0 |
1.5 |
1.6 |
48.0 |
52.6 |
91.0 |
Din Daeng |
Roadside
|
2.0 |
51.0 |
1.0 |
1.0 |
25.0 |
88.8 |
81.0 |
| Huai Khwang |
General
|
6.0 |
39.0 |
1.1 |
1.2 |
35.0 |
52.7 |
80.0 |
Intrapituk |
Roadside
|
1.0 |
33.0 |
1.0 |
1.2 |
39.0 |
46.9 |
86.0 |
| Klong Chan |
General
|
4.0 |
19.0 |
1.0 |
1.0 |
48.0 |
61.1 |
100.0 |
Lad Phrao |
Roadside
|
4.0 |
50.0 |
1.2 |
1.3 |
29.0 |
51.7 |
66.0 |
| Thai Meteorological Department(Bangna) |
General
|
3.0 |
11.0 |
0.3 |
0.4 |
24.0 |
59.3 |
62.0 |
Yannawa |
General
|
7.0 |
36.0 |
0.8 |
0.8 |
38.0 |
52.5 |
72.0 |
| Standard |
120 |
* |
* |
* |
* |
120 |
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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
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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