| Oklahoma Department of Environmental Quality |
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2018 OKLAHOMA SO2 |
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Highest 1 Hour Daily Highs (ppb) through December 31, 2018 |
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| Site |
2018 Daily Max 1-hr Values |
3 Year Avg of 99th Percentile |
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| 2015 |
2016 |
2017 |
1st |
2nd |
3rd |
4th* |
15-17 Avg |
16-18 Avg |
2018 |
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| 99th % |
99th % |
99th % |
(date) |
(date) |
(date) |
(date) |
99th % |
99th % |
Critical Value |
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| Ponca City (604) |
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36.0 |
33.0 |
33.0 |
31.0 |
29 |
29 |
172 |
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| 31.0 |
27.0 |
29.0 |
14-Jun |
11-May |
28-Aug |
23-Nov |
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| OKC (North) (1037) |
3.0 |
3.0 |
3.0 |
3.0 |
2.7 |
2.7 |
223 |
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| 3.0 |
3.0 |
2.0 |
11-Mar |
12-Mar |
13-Mar |
23-Nov |
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| Tulsa Newblock (175) |
13.0 |
10.0 |
8.0 |
8.0 |
14 |
13 |
197 |
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| 11.0 |
17.0 |
14.0 |
20-Sep |
30-Apr |
30-Jan |
8-May |
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| Tulsa TCWD (235) |
10.0 |
8.0 |
6.0 |
6.0 |
12 |
11 |
202 |
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| 9.0 |
12.0 |
14.0 |
22-Jan |
6-May |
28-Jan |
15-Mar |
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Tulsa Central (1127) |
3.8 |
3.7 |
3.5 |
3.3 |
6 |
4 |
220 |
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| 8.9 |
4.1 |
3.8 |
26-Jul |
16-Dec |
14-Mar |
30-Jul |
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| Tulsa Riverside (179) |
6.0 |
4.0 |
4.0 |
4.0 |
6 |
5 |
217 |
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| 8.0 |
5.0 |
6.0 |
30-Apr |
26-Jan |
28-Jan |
24-Nov |
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| Oxbow/Kremlin (555) |
51.0 |
44.0 |
44.0 |
43.0 |
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| new in 2017 |
54.0 |
6-Apr |
1-Jan |
6-Jul |
8-Jan |
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| Fort Gibson (170) |
79.0 |
49.0 |
33.0 |
31.0 |
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| new in 2017 |
52.0 |
11-May |
31-Jan |
20-Feb |
12-May |
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| Pryor (188) |
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34.0 |
27.0 |
26.0 |
25.0 |
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| new in 2017 |
25.0 |
17-Apr |
15-Feb |
15-Mar |
21-Jan |
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| * 4th Highs
are considered 99th percentile until end of year data completeness can be
calculated. |
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