New WHO Air Quality Guidelines - BioEnergy Discussion Lists
New WHO Air Quality Guidelines - BioEnergy Discussion Lists
New WHO Air Quality Guidelines - BioEnergy Discussion Lists
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Summary of <strong>WHO</strong> AQG<br />
Pollutant Averaging time AQG value<br />
Particulate matter<br />
PM 2.5<br />
1 year<br />
24 hour (99 th percentile)<br />
10 µg/m 3<br />
25 µg/m 3<br />
PM 10<br />
1 year<br />
24 hour (99 th percentile)<br />
20 µg/m 3<br />
50 µg/m 3<br />
Ozone, O 3<br />
8 hour, daily maximum 100 µg/m 3<br />
Nitrogen dioxide, NO 2<br />
Sulfur dioxide, SO 2<br />
1 year<br />
1 hour<br />
24 hour<br />
10 minute<br />
40 µg/m 3<br />
200 µg/m 3<br />
20 µg/m 3<br />
500 µg/m 3<br />
17 |<br />
<strong>New</strong> <strong>WHO</strong> <strong>Air</strong> <strong>Quality</strong> <strong>Guidelines</strong> | 13 December 2006
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