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

2001 PEAK AIR POLLUTION VALUES (unvalidated)
Date	AQI	Pollutant
September 15	37	O3
September 14	25	O3
September 13	97	O3
September 12	104	O3
September 11	50	O3
September 10	39	O3
September 9	24	O3
September 8	41	O3
September 7	33	O3
September 6	40	O3
September 5	59	O3
September 4	114	O3
September 3	104	O3
September 2	56	O3
September 1	45	O3
August 31	32	O3
August 30	56	O3
August 29	85	O3
August 28	72	O3
August 27	82	O3
August 26	45	O3
August 25	41	O3
August 24	34	O3
August 23	49	O3
August 22	48	O3
August 21	72	O3
August 20	59	O3
August 19	41	O3
August 18	54	O3
August 17	43	O3
August 16	38	O3
August 15	82	O3
August 14	49	O3
August 13	49	O3
August 12	109	O3
August 11	47	O3
August 10	37	O3
August 9	85	O3
August 8	59	O3
August 7	69	O3
August 6	111	O3
August 5	77	O3
August 4	116	O3
August 3	47	O3
August 2	97	O3
August 1	97	O3
July 31	92	O3
July 30	77	O3
July 29	95	O3
July 28	48	O3
July 27	38	O3
July 26	34	O3
July 25	104	O3
July 24	85	O3
July 23	109	O3
July 22	54	O3
July 21	97	O3
July 20	43	O3
July 19	29	O3
July 18	44	O3
July 17	97	O3
July 16	109	O3
July 15	85	O3
July 14	41	O3
July 13	48	O3
July 12	32	O3
July 11	61	O3
July 10	77	O3
July 9	69	O3
July 8	56	O3
July 7	51	O3
July 6	56	O3
July 5	46	O3
July 4	45	O3
July 3	54	O3
July 2	32	O3
July 1	51	O3
June 30	95	O3
June 29	72	O3
June 28	72	O3
June 27	97	O3
June 26	100	O3
June 25	114	O3
June 24	74	O3
June 23	54	O3
June 22	40	O3
June 21	31	O3
June 20	54	O3
June 19	85	O3
June 18	90	O3
June 17	85	O3
June 16	64	O3
June 15	40	O3
June 14	40	O3
June 13	51	O3
June 12	137	O3
June 11	85	O3
June 10	59	O3
June 9	109	O3
June 8	51	O3
June 7	41	O3
June 6	38	O3
June 5	29	O3
June 4	22	O3
June 3	22	O3
June 2	31	O3
June 1	39	O3
May 30	43	O3
May 29	62	O3
May 28	54	O3
May 27	40	O3
May 26	36	O3
May 25	30	O3
May 24	24	PM10
May 23	37	O3
May 22	35	O3
May 21	35	PM10
May 20	46	O3
May 19	48	O3
May 18	38	O3
May 17	47	PM10
May 16	79	O3
May 15	69	O3
May 14	65	PM10
May 13	41	O3
May 12	41	O3
May 11	57	PM10
May 10	65	PM10
May 9	66	O3
May 8	47	O3
May 7	37	O3
May 6	40	PM10
May 5	43	O3
May 4	65	PM10
May 3	72	PM10
May 2	72	PM10
May 1	71	PM10
April 30	69	PM10
April 29	56	O3
April 28	56	O3
April 27	65	PM10
April 26	59	PM10
April 25	59	PM10
April 24	41	O3
April 23	87	PM10
April 22	34	O3
April 21	33	O3
April 20	89	PM10
April 19	65	PM10
April 18	46	PM10
April 17	52	SO2
April 16	35	O3
April 15	41	O3
April 14	35	O3
April 13	38	O3
April 12	61	PM10
April 11	50	PM10
April 10	50	PM10
April 9	90	PM10
April 8	39	PM10
April 7	62	PM10
April 6	61	PM10
April 5	48	PM10
April 4	47	PM10
April 3	39	PM10
April 2	35	PM10
April 1	36	O3
March 31	53	PM10
March 30	65	PM10
March 29	46	PM10
March 28	66	PM10
March 27	40	PM10
March 26	46	SO2
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 - 2001

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