§244.162. Criteria for Declaring an Advisory

The Director or his/her designated representative shall declare an air pollution advisory whenever:

 

a)         An air stagnation advisory is received for any area within the State; or

 

b)         Any advisory or yellow alert level is equaled or exceeded at any monitoring station; and

 

c)         Atmospheric conditions, or expected contaminant emissions, are such that concentrations can reasonably be expected to remain at or above the advisory or yellow alert level for 24 or more hours; or

 

d)         For ozone, atmospheric conditions, or expected contaminant emissions, are such that concentrations can reasonably be expected to reoccur at any advisory, or yellow alert, level on the following calendar day.

 

(Source:  Amended at 16 Ill. Reg. 8191, effective May 15, 1992)