The Air Quality Standards Regulations (Northern Ireland) 2010 No. 188

SCHEDULE 8 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 are exceeded—

(a) the location or area where thresholds are 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 1-hour and 8-hour mean concentration.