Part I Information and alert thresholds for ozone
| Parameter | Threshold | |
|---|---|---|
(a) The exceedance of the threshold is to be measured or predicted for three consecutive hours. | ||
| Information threshold | 1 hour average | 180μg/m3 |
| Alert threshold | 1 hour average f1 | 240/μg/m3 |
Annotations
Footnotes
- f1
(a)
The exceedance of the threshold is to be measured or predicted for three consecutive hours.