| Oklahoma Department of Environmental
Quality |
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2024 OKLAHOMA SO2 |
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Highest 1 Hour Daily Highs (ppb) through May 1, 2024 |
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| Site |
2023 Daily Max 1-hr Values |
3 Year Avg of 99th Percentile |
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| 2021 |
2022 |
2023 |
1st |
2nd |
3rd |
4th* |
20-22 Avg |
21-23 Avg |
2023 |
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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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12.0 |
10.0 |
8.0 |
6.0 |
14 |
7 |
213 |
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| 27.0 |
10.0 |
5.0 |
01-Feb |
11-Mar |
12-Mar |
08-Feb |
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| OKC North (1037) |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
226 |
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| 1.0 |
1.0 |
1.0 |
30-Jan |
09-Feb |
17-Feb |
26-Feb |
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| Tulsa Newblock (175) |
5.0 |
3.0 |
2.0 |
2.0 |
6 |
5 |
215 |
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| 5.0 |
6.0 |
7.0 |
04-Mar |
07-Mar |
11-Jan |
20-Jan |
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| Tulsa TCWD (235) |
1.0 |
1.0 |
1.0 |
1.0 |
4 |
3 |
221 |
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| 4.0 |
2.0 |
5.0 |
03-Jan |
11-Jan |
16-Jan |
20-Jan |
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Tulsa Central (1127) |
3.1 |
1.6 |
1.5 |
1.5 |
3 |
3 |
221 |
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| 2.2 |
3.6 |
3.1 |
20-Jan |
19-Mar |
31-Jan |
09-Feb |
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| Oxbow/Kremlin (555) |
32.0 |
32.0 |
29.0 |
24.0 |
33 |
33 |
153 |
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| 24.0 |
38.0 |
37.0 |
09-Apr |
23-Apr |
20-Apr |
15-Mar |
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| * 4th Highs
are considered 99th percentile until end of year data completeness can be
calculated. |
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| * All data is
subject to change upon QA/QC by DEQ and EPA. |
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