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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
|
2.0 |
9.0 |
|
0.9 |
17.0 |
25.7 |
35.0 |
Din Daeng |
Roadside
|
1.0 |
26.0 |
1.4 |
1.2 |
|
53.2 |
58.0 |
| Huai Khwang |
General
|
5.0 |
26.0 |
0.9 |
0.9 |
9.0 |
27.3 |
34.0 |
Intrapituk |
Roadside
|
6.0 |
|
0.6 |
0.6 |
13.0 |
23.7 |
70.0 |
| Klong Chan |
General
|
6.0 |
19.0 |
0.5 |
0.5 |
15.0 |
17.2 |
66.0 |
Lad Phrao |
Roadside
|
3.0 |
22.0 |
1.1 |
1.1 |
13.0 |
30.0 |
38.0 |
| Thai Meteorological Department(Bangna) |
General
|
3.0 |
10.0 |
0.2 |
0.2 |
16.0 |
18.1 |
26.0 |
Yannawa |
General
|
5.0 |
15.0 |
0.7 |
0.6 |
12.0 |
35.5 |
44.0 |
| 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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