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

2006 PEAK ozone VALUES (unvalidated)
Date	AQI
Sept 15	48
Sept 14	48
Sept 13	29
Sept 12	20
Sept 11	39
Sept 10	61
Sept 9	76
Sept 8	63
Sept 7	51
Sept 6	46
Sept 5	35
Sept 4	37
Sept 3	49
Sept 2	37
Sept 1	28
August 31	28
August 30	24
August 29	23
August 28	35
August 27	47
August 26	56
August 25	40
August 24	94
August 23	94
August 22	71
August 21	53
August 20	37
August 19	51
August 18	113
August 17	121
August 16	71
August 15	44
August 14	46
August 13	79
August 12	58
August 11	61
August 10	38
August 9	74
August 8	76
August 7	97
August 6	101
August 5	79
August 4	79
August 3	46
August 2	49
August 1	46
July 31	76
July 30	58
July 29	69
July 28	81
July 27	35
July 26	41
July 25	89
July 24	63
July 23	50
July 22	35
July 21	40
July 20	79
July 19	131
July 18	134
July 17	116
July 16	74
July 15	134
July 14	48
July 13	63
July 12	37
July 11	44
July 10	49
July 9	108
July 8	116
July 7	63
July 6	46
July 5	42
July 4	46
July 3	50
July 2	79
July 1	69
June 30	47
June 29	116
June 28	53
June 27	46
June 26	44
June 25	48
June 24	69
June 23	45
June 22	46
June 21	38
June 20	106
June 19	66
June 18	42
June 17	32
June 16	113
June 15	119
June 14	119
June 13	58
June 12	42
June 11	30
June 10	94
June 9	101
June 8	51
June 7	47
June 6	81
June 5	56
June 4	46
June 3	63
June 2	51
June 1	32
May 31	39
May 30	35
May 29	39
May 28	39
May 27	53
May 26	51
May 25	63
May 24	47
May 23	66
May 22	48
High 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.

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Air Quality Data - 2006