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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
|
4.0 |
10.0 |
1.1 |
1.1 |
11.0 |
36.2 |
45.0 |
Din Daeng |
Roadside
|
3.0 |
21.0 |
1.7 |
1.9 |
6.0 |
52.3 |
58.0 |
| Huai Khwang |
General
|
5.0 |
25.0 |
1.1 |
1.1 |
6.0 |
63.7 |
65.0 |
Intrapituk |
Roadside
|
7.0 |
20.0 |
0.7 |
0.9 |
|
29.3 |
37.0 |
| Klong Chan |
General
|
7.0 |
18.0 |
1.3 |
1.2 |
6.0 |
36.6 |
42.0 |
Lad Phrao |
Roadside
|
3.0 |
26.0 |
1.4 |
1.3 |
|
30.1 |
38.0 |
| Thai Meteorological Department(Bangna) |
General
|
|
13.0 |
1.2 |
1.2 |
21.0 |
33.9 |
42.0 |
Yannawa |
General
|
4.0 |
14.0 |
0.8 |
0.8 |
8.0 |
31.1 |
39.0 |
| 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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