(1) A regional council must give public notice if the ambient air quality standard for a contaminant is breached in an airshed in its region.
(2) The notice must—
(a) be given periodically, at least once a month, until the standard is no longer being breached; and
(b) be given in accordance with the Act; and
(c) include—
(i) the name of the contaminant to which the notice relates; and
(ii) the time and place at which the standard was breached; and
(iii) the extent to which the standard was breached.