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Oklahoma
Department of Environmental Quality |
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PM2.5 through December 27, 2021 |
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2021 Daily 24 hour averages (µg/m3) |
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Site |
2018 |
2019 |
2020 |
1st |
2nd |
3rd |
4th |
5th |
6th |
7th |
8th |
18-20 Avg |
19-21 Avg |
2021 |
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98th % |
98th % |
98th % |
(date) |
(date) |
(date) |
(date) |
(date) |
(date) |
(date) |
(date) |
98% |
98% |
Critical Value |
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Moore (049) |
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46.7 |
39.5 |
37.5 |
33.6 |
29.9 |
28.1 |
28.3 |
26.8 |
22.4 |
23.6 |
62.4 |
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23.0 |
20.4 |
23.7 |
2-Aug |
3-Aug |
2-Apr |
1-Apr |
19-Feb |
20-Feb |
4-Aug |
18-Feb |
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OKC Near Road (097) |
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50.5 |
41.1 |
35.8 |
33.9 |
28.7 |
28.1 |
27.7 |
27.0 |
19.0 |
22.2 |
66.9 |
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17.5 |
18.9 |
20.7 |
2-Aug |
3-Aug |
21-Jul |
4-Aug |
25-Jul |
2-Apr |
20-Feb |
1-Apr |
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Glenpool (174) |
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79.6 |
45.7 |
34.2 |
33.6 |
33.3 |
33.3 |
27.2 |
26.9 |
20.4 |
21.7 |
68.4 |
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23.2 |
18.2 |
19.9 |
8-Mar |
2-Aug |
3-Aug |
7-Mar |
4-Mar |
16-Dec |
4-Aug |
19-Feb |
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Oklahoma Union (207) |
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closed 2020 — 2021 |
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23.9 |
17.8 |
closed |
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Copan (217) |
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50.9 |
46.7 |
40.7 |
37.2 |
35.8 |
35.7 |
35.1 |
32.4 |
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(new in 2020) |
18.8 |
2-Aug |
1-Apr |
5-Mar |
3-Aug |
8-Mar |
2-Apr |
4-Mar |
1-Aug |
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Healdton (297) |
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52.1 |
42.4 |
34.6 |
24.4 |
22.4 |
21.6 |
20.9 |
20.3 |
21.2 |
20.0 |
66.8 |
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24.0 |
15.7 |
24.0 |
7-Mar |
2-Aug |
3-Aug |
4-Aug |
18-Jun |
19-Jun |
25-Jul |
19-Mar |
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McAlester (415) |
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42.1 |
38.2 |
35.1 |
32.4 |
31.8 |
30.8 |
27.9 |
27.4 |
22.0 |
22.0 |
67.8 |
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27.2 |
17.1 |
21.6 |
20-Mar |
2-Augt |
21-Mar |
4-Aug |
8-Mar |
22-Mar |
1-Apr |
5-Aug |
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Ponca City (604) |
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79.7 |
51.3 |
45.6 |
45.1 |
37.7 |
37.7 |
37.5 |
36.3 |
20.0 |
25.3 |
66.8 |
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20.3 |
19.0 |
20.7 |
1-Apr |
13-Apr |
14-Apr |
2-Aug |
3-Aug |
2-Apr |
9-Apr |
21-Jul |
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Lawton (651) |
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44.7 |
35.5 |
28.8 |
23.3 |
22.5 |
21.6 |
20.8 |
20.5 |
17.7 |
18.7 |
70.8 |
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17.3 |
17.2 |
18.5 |
2-Aug |
3-Aug |
4-Aug |
15-Nov |
19-Nov |
21-Jul |
5-Aug |
25-Jul |
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Seiling (860) |
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41.6 |
34.9 |
29.2 |
28.6 |
27.9 |
20.1 |
20.1 |
19.2 |
17.2 |
17.8 |
72.2 |
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17.3 |
17.1 |
17.2 |
2-Aug |
3-Aug |
4-Aug |
21-Jul |
1-Aug |
14-Apr |
14-Apr |
15-Dec |
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OKC North (1037) |
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47.7 |
37.5 |
36.7 |
35.1 |
29.6 |
27.5 |
26.2 |
23.9 |
21.6 |
22.3 |
63.5 |
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21.8 |
21.1 |
21.9 |
2-Aug |
3-Aug |
1-Apr |
2-Apr |
29-Jan |
13-Apr |
21-Jul |
19-Feb |
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Tulsa Central (1127) |
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50.3 |
48.0 |
42.8 |
36.7 |
31.0 |
29.8 |
28.8 |
28.3 |
23.4 |
23.8 |
63.3 |
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27.0 |
22.5 |
20.7 |
2-Aug |
8-Mar |
4-Jul |
3-Aug |
4-Mar |
16-Dec |
4-Aug |
21-Jul |
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8th
Highs are considered 98th percentile until end of year data completeness can
be calculated. |
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