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	5/5	5/8	5/17	5/24	5/25	5/26	5/27	5/28	5/29	6/1	6/5	6/6	6/7	6/8	6/15	6/16
Chicago Metropolitan	Cook	Alsip				71	76	75	86	85							73
	Cook	Chicago - Com Ed				71	78	74	87	78							71
	Cook	Chicago - SWFP		71		71	89	75	83	80
	Cook	Chicago - Taft				71	79	73	95	77							71
	Cook	Cicero					77	71	88	76							72
	Cook	Des Plaines				74	75	71	89	75							79	73
	Cook	Evanston	73	77		77	92	80	96	77							76
	Cook	Lemont
	Cook	Northbrook				77	83	73	96	73							76	73
	Cook	Schiller Park							81
	DuPage	Lisle				74	71		77	72
	Kane	Elgin				74			72	72	77
	Lake	Zion		72		73	91	73	88
	McHenry	Cary				74	72	71	76		75						77	71
	Will	Braidwood	71						76	75					78
Metro-East	Jersey	Jerseyville				74				72
	Madison	Alton				71				72				87		75
	Madison	Maryville								75		85	87	82		72
	Madison	Wood River												80		72
	Randolph	Houston											79
	St. Clair	East St. Louis				72				73		78	81	95
Northern Illinois	Rock Island	Rock Island													71
Northern Illinois	Winnebago	Loves Park				71				72	86
West Central Illinois	Adams	Quincy
	Macoupin	Nilwood				71				72						75
	Peoria	Peoria				71			71
	Peoria	Peoria Heights			71	71			71
	Sangamon	Springfield								77
East Central Illinois	Champaign	Thomasboro					73	73		74		72
	McLean	Normal							73
	Macon	Decatur								78		72				73
Southeast Illinois	Effingham	Effingham														74
Southeast Illinois	Hamilton	Knight Prairie Township				71				71					72