The Air Quality Standards (Wales) Regulations 2010 No. 1433 (W. 126)

SCHEDULE 7 Public information in relation to alert and information thresholds for nitrogen dioxide, sulphur dioxide and ozone

3.  Information on any incident where information or alert thresholds have been exceeded—

(a) the location or area where thresholds have been exceeded;

(b) the type of threshold exceeded (information or alert threshold);

(c) the time at which the threshold was exceeded and the duration of the incident; and

(d) in the case of ozone, the highest one hour and eight hour concentration.