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	4/16	4/17	4/18	5/23	5/24	6/3	6/9	6/10	6/11	6/13	6/14	6/15	6/16	6/18	6/19	6/24	6/25	7/19	7/20	7/22	7/26	7/27	8/3	8/4	8/9	8/10	9/21	9/22	9/23
Chicago Metropolitan	Cook	Alsip		71	75		73	73			71	75					76	74		73					74			85
	Cook	Chicago - Com Ed					74										76							77	78			75
	Cook	Chicago - SWFP	73	76	76	73	77				85			75			76					75		82	81	76		71
	Cook	Chicago - Taft		71			78				74	71					79							86		72		75
	Cook	Cicero					76				73						77							80	79			76
	Cook	Des Plaines					72				71	74					76		71					93	71	78		80
	Cook	Evanston		72		73	76				79						74							84	74	77
	Cook	Lemont					78	73			71	79						86
	Cook	Northbrook		71		71	79				74			78			79		74					83		83
	Cook	Schiller Park															73							74
	DuPage	Lisle					72	71				73				74	79	81					74		71			77
	Kane	Elgin		73								76	74				74	81							72			82
	Lake	Zion			76	71	81							77			77				71					82
	McHenry	Cary										73	74				71	72	71						73			79
	Will	Braidwood					72
Metro-East	Jersey	Jerseyville				75						79														85			71	74
	Madison	Alton							73	74		77				72										74				72	71
	Madison	Maryville								77						73
	Madison	Wood River							76	78		79				75										75	71
	Randolph	Houston													76
	St. Clair	East St. Louis								73					78			76									77
Northern Illinois	Rock Island	Rock Island															73
Northern Illinois	Winnebago	Loves Park	71	72													71
West Central Illinois	Adams	Quincy
	Macoupin	Nilwood
	Peoria	Peoria															73	71
	Peoria	Peoria Heights															72
	Sangamon	Springfield							72
East Central Illinois	Champaign	Thomasboro
	McLean	Normal															73
	Macon	Decatur
Southeast Illinois	Effingham	Effingham
Southeast Illinois	Hamilton	Knight Prairie Township