Oklahoma Department of Environmental Quality
				2017 OKLAHOMA PM2.5
				Highest 24 Hour Averages (µg/m3) through December 31, 2017
Site			2017 Daily Max 24-hr Averages								3 Year Average 98th Percentile
2014	2015	2016	1st	2nd	3rd	4th	5th	6th	7th	8th	15-17 Avg	2017
98th %	98th %	98th %	(date)	(date)	(date)	(date)	(date)	(date)	(date)	(date)	98th %	Critical Value
Moore  (049)			21.0	18.3	18.1	16.5	16.3	16.3	16.1	16.1	17.1	71.4
22.1	17.7	17.4	25-Jul	27-Feb	5-Feb	7-Jan	12-Apr	23-Mar	28-Feb	22-Mar
Moore  (049) T640			22.1	18.9	18.7	18.6	18.3	18.2	17.7	15.1
new in 2017			11-Apr	7-Apr	30-Dec	12-Apr	26-Jul	25-Jul	9-Aug	18-Dec
Glenpool  (174)			35.9	33.3	27.9	23.2	22.5	21.9	21.4	21.0	20.3	66.7
19.5	17.5	22.3	21-Mar	4-Mar	3-Mar	28-Feb	19-Mar	13-Apr	26-Jul	7-Apr
Copan (217)			37.9	29.8	22.9	22.6	22.6	19.7	19.6	19.2
		16.9	7-Apr	4-Mar	11-Apr	5-Feb	26-Jul	20-Mar	6-Apr	19-Mar
Healdton (297)			24.8	23.7	18.6	17.8	17.0	16.6	16.3	15.8
		10.3	22-Mar	25-Jul	27-May	13-Nov	30-Dec	26-Jul	19-Oct	11-Apr
Burneyville (300)			closed in 2017
18.4	15.4	closed
McAlester  (415)			35.4	31.7	25.1	24.3	24.1	21.0	19.9	19.0	16.9	74.7
19.9	14.7	17.1	21-Mar	27-May	15-Mar	28-Feb	11-Apr	5-Feb	2-Dec	3-Mar
Ponca City (604)			26.2	26.0	23.8	22.2	22.2	18.9	17.9	17.4	16.7	73.8
23.3	16.5	16.2	7-Apr	11-Apr	12-Apr	17-Sep	26-Jul	14-Nov	16-Mar	19-Mar
Lawton (651)			17.7	16.3	16.3	15.6	15.5	15.2	14.0	13.8	15.2	74.7
21.1	16.4	15.4	2-Apr	5-Feb	4-Feb	22-Mar	28-Feb	21-Mar	2-Oct	19-Oct
Seiling (860)			48.7	40.0	23.0	16.5	16.0	15.0	14.8	14.2	14.3	77.7
13.2	15.3	13.5	7-Mar	6-Mar	4-Sep	21-Mar	12-Apr	30-Dec	28-Mar	18-Dec
OCUSA (1037)			22.3	22.0	19.3	19.0	19.0	18.1	18.0	18.0	18.1	70.3
21.9	17.9	18.3	2-Apr	21-Mar	7-Jan	30-Dec	14-Nov	3-Dec	22-Mar	2-Dec
Tulsa (1127)			28.4	28.2	27.8	27.4	25.6	25.2	25.1	24.7	20.6	69.3
21.4	15.4	21.8	4-Jul	3-Jul	21-Mar	27-May	26-Jul	4-Mar	7-Apr	8-Jul
8th Highs are considered 98th percentile until end of year data completeness can be calculated.