The Air Quality Standards (Wales) Regulations 2010

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

(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.