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	5/22	6/3	6/4	6/11	6/14	6/17	6/18	6/19	7/20	7/22	7/23	7/26	7/27	7/28	8/4	8/7	8/23	8/25	8/26	8/27	9/13	9/28	10/1
Chicago Metropolitan	Cook	Alsip				72			84
	Cook	Chicago - Com Ed		74					74											84
	Cook	Chicago - SWFP		79	72	77					71	77			71					82	82	73			72
	Cook	Chicago - Taft		71		73
	Cook	Cicero		72																74
	Cook	Des Plaines				74						74
	Cook	Evanston		78	72			73	74				80			80			72	88	77		75		71
	Cook	Lemont				74			72					76			73
	Cook	Northbrook		76	72			75				75	74			71					75				74
	Cook	Schiller Park
	DuPage	Lisle												72			71
	Kane	Elgin
	Lake	Zion	71	81	74			75				77	80			79		71				71
	McHenry	Cary		72																	72
	Will	Braidwood		72					71
Metro-East	Jersey	Jerseyville						72				74
	Madison	Alton										77	71							71
	Madison	Maryville					72									83								76
	Madison	Wood River										71				72
	Randolph	Houston					77
	St. Clair	East St. Louis				75										99
Northern Illinois	Rock Island	Rock Island							71	74
Northern Illinois	Winnebago	Loves Park
West Central Illinois	Adams	Quincy
	Macoupin	Nilwood
	Peoria	Peoria						71
	Peoria	Peoria Heights
	Sangamon	Springfield
East Central Illinois	Champaign	Thomasboro
	McLean	Normal
	Macon	Decatur
Southeast Illinois	Effingham	Effingham
Southeast Illinois	Hamilton	Knight Prairie Township					75