Liberty Lake Data 2009

Liberty Lake Particulate Data 2009

Particulate Matter Concentrations in micrograms per cubic meter of air

Date	Fine PM (0-2.5µm)	Coarse PM (2.5-10µm)	PM10 (0-10µm)
1/1/09	1.44	0.44	1.88
1/7/09	1.16	1.63	2.79
1/13/09	4.21	3.83	8.04
1/19/09	12.50	4.50	17.00
1/25/09	3.38	3.91	7.29
1/31/09	2.82	3.47	6.29
2/6/09	6.99	2.22	9.21
2/12/09	7.69	4.31	12.00
2/18/09	9.17	4.08	13.25
2/24/09	0.83	1.33	2.17
3/2/09	2.36	1.10	3.46
3/8/09	1.85	1.94	3.79
3/14/09	5.97	4.15	10.13
3/20/09	5.05	8.08	13.13
3/26/09	1.85	5.90	7.75
4/1/09	3.70	6.63	10.33
4/7/09	5.60	10.81	16.42
4/13/09	0.83	3.54	4.38
4/19/09	5.23	11.19	16.42
4/25/09	5.42	14.83	20.25
5/1/09	4.54	9.55	14.08
5/7/09	1.06	5.44	6.50
5/13/09	1.71	17.12	18.83
5/19/09	1.90	19.48	21.38
5/25/09	7.64	10.78	18.42
5/31/09	4.91	13.93	18.83
6/6/09	3.33	8.58	11.92
6/12/09	7.69	17.23	24.92
6/18/09	3.98	22.68	28.00
6/24/09	5.05	19.29	24.33
6/30/09	5.37	21.71	27.08
7/6/09	5.93	27.16	33.08
7/12/09	6.85	25.69	32.54
7/18/09	7.45	17.92	25.38
7/24/09	10.23	21.35	31.58
7/30/09	9.54	13.75	23.29
Filter Lab Balance Out of Service No filter data from 8/1/09 to 9/27/09
9/28/09	6.62	18.46	25.08
10/4/09	1.39	4.61	6.00
10/10/09	3.33	3.29	6.63
10/16/09	10.19	7.11	17.29
10/22/09	5.93	6.32	12.25
10/28/09	4.21	4.87	9.08
11/3/09	8.89	5.24	14.13
11/9/09	2.73	3.64	6.38
11/15/09	4.21	4.41	8.63
11/21/09	1.48	4.52	6.00
11/27/09	4.40	4.56	8.96
12/3/09	6.85	10.98	17.83
12/9/09	4.35	7.23	11.58
12/15/09	5.88	3.87	9.75
12/21/09	1.34	2.70	4.04
12/27/09	5.00	4.13	9.13

2009	Fine PM (0-2.5µm)	Coarse PM (2.5-10µm)	PM10 (0-10µm)
Average	4.85	8.70	13.55
Maximum	12.50	27.16	33.08

If you have questions or comments on this page please e-mail Ron Edgar, Chief of Technical Services, rjedgar@spokanecleanair.org.