St. Louis Air Quality by St. Louis Regional Clean Air Partnership

2000 PEAK OZONE VALUES (unvalidated)
Date	AQI
September 15	27
September 14	45
September 13	47
September 12	33
September 11	41
September 10	35
September 9	27
September 8	35
September 7	45
September 6	43
September 5	35
September 4	38
September 3	109
September 2	111
September 1	129
August 31	137
August 30	135
August 29	119
August 28	100
August 27	90
August 26	39
August 25	87
August 24	49
August 23	122
August 22	109
August 21	49
August 20	38
August 19	45
August 18	38
August 17	72
August 16	111
August 15	92
August 14	116
August 13	54
August 12	85
August 11	54
August 10	44
August 9	51
August 8	28
August 7	38
August 6	46
August 5	38
August 4	44
August 3	79
August 2	48
August 1	56
July 31	38
July 30	42
July 29	35
July 28	32
July 27	59
July 26	109
July 25	77
July 24	47
July 23	41
July 22	42
July 21	36
July 20	37
July 19	37
July 18	54
July 17	30
July 16	89
July 15	52
July 14	52
July 13	67
July 12	64
July 11	52
July 10	64
July 9	62
July 8	112
July 7	75
July 6	67
July 5	47
July 4	37
July 3	38
July 2	41
July 1	54
June 30	25
June 29	39
June 28	48
June 27	32
June 26	33
June 25	49
June 24	28
June 23	46
June 22	44
June 21	35
June 20	32
June 19	42
June 18	36
June 17	20
June 16	28
June 15	39
June 14	36
June 13	40
June 12	30
June 11	25
June 10	32
June 9	82
June 8	105
June 7	69
June 6	46
June 5	32
June 4	54
June 3	48
June 2	37
June 1	85
May 31	107
May 30	100
May 29	44
May 28	28
May 27	34
May 26	32
May 25	60
May 24	54
May 23	46
May 22	46
May 21	41
May 20	42
May 19	25
May 18	51
May 17	49
May 16	52
May 15	46
High ozone values shown have not been validated and are subject to revision. Information is provided courtesy of the Missouri Department of Natural Resources and the Illinois Environmental Protection Agency.

Air Quality Data: 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006

Air Quality Data - 2000