Division 3 Particulate matter (PM10/PM2,5)
United Kingdom
| The upper assessment threshold and the lower assessment threshold for PM2,5 do not apply to the measurements to assess compliance with the PM2,5 exposure reduction target for the protection of human health. | |||
| 24-hour average PM10 | Annual average PM10 | Annual average PM2,5 f1 | |
|---|---|---|---|
| Upper assessment threshold | 70 % of limit value (35 μg/m3, not to be exceeded more than 35 times in any calendar year) | 70 % of limit value (28 μg/m3) | 70 % of limit value (17 μg/m3) |
| Lower assessment threshold | 50 % of limit value (25 μg/m3, not to be exceeded more than 35 times in any calendar year) | 50 % of limit value (20 μg/m3) | 50 % of limit value (12 μg/m3) |
Annotations
Footnotes
- f1
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The upper assessment threshold and the lower assessment threshold for PM2,5 do not apply to the measurements to assess compliance with the PM2,5 exposure reduction target for the protection of human health.