Illinois Ozone 8-hour Exceedance Summary

8-hour Exceedances Summary
Values in each column is 8-hour concentration - standard of 70 parts per billion;
Region  County Site 6/12/24  6/15/24 
Chicago Metropolitan  Cook Alsip    
Cook Chicago - Com Ed    
Cook Chicago - SWFP 73   
Cook Chicago - Taft    
Cook Cicero    
Cook Des Plaines    
Cook Evanston 79   
Cook Lemont    
Cook Northbrook    
Cook Schiller Park    
DuPage Lisle    
Kane Elgin    
Lake Zion 82   
McHenry Cary    
Will Braidwood    
Metro-East  Jersey Jerseyville   74 
Madison Alton   78 
Madison Maryville   74 
Madison Wood River   76 
Randolph Houston    
St. Clair East St. Louis   74 
Northern Illinois  Rock Island Rock Island    
Winnebago Loves Park    
West Central Illinois  Adams Quincy    
Macoupin Nilwood   72 
Peoria Peoria    
Peoria Peoria Heights    
Sangamon Springfield   72 
East Central Illinois  Champaign Thomasboro    
McLean Normal   74 
Macon Decatur   71 
Southeast Illinois  Effingham Effingham   71 
Hamilton Knight Prairie Township   74