| Oklahoma Department of Environmental Quality | ||||||
| 2025 PM2.5 | ||||||
| 8th Highest Daily 24 hour average (µg/m³) through March 11, 2025 | ||||||
| Standard: 98th percentile of the 24-hour data shall not exceed 35 µg/m³ | ||||||
| Site | 98th Percentile (µg/m³) | 3-yr Avg. | ||||
| 2022 | 2023 | 2024 | 2025* | 22-24 | 23-25* | |
| Moore | 20 | 20.5 | 20.3 | 10.2 | 20.3 | 17.0 |
| OKC Near Road | 17.7 | 19.5 | 19.6 | 11.7 | 18.9 | 16.9 |
| Glenpool | 19.5 | 16.8 | 21.2 | 10.6 | 19.2 | 16.2 |
| Oklahoma Union (Nowata County) | 28.6 | 23.8 | - | - | - | - |
| Healdton | 22.0 | 17.0 | 20.2 | 8.4 | 19.7 | 15.2 |
| McAlester | 24.5 | 18.5 | 19.4 | 16.2 | 20.8 | 18.0 |
| Ponca City | 19.9 | 22.4 | 24.4 | 10.8 | 22.2 | 19.2 |
| Lawton | 17.4 | 17.4 | 14.7 | 10.7 | 16.5 | 14.3 |
| Seiling | 17.2 | 21.1 | 18.0 | 10.8 | 18.8 | 16.6 |
| OKC North | 20.5 | 18.1 | 19.7 | 10.8 | 19.4 | 16.2 |
| Tulsa Central | 20.3 | 20.0 | 19.8 | 11.5 | 20.0 | 17.1 |
| Copan | - | - | 27.7 | 10.3 | - | - |
| 8th Highs are considered 98th percentile until end of year data completeness is calculated. | ||||||
| *All data is subject to change upon QA/QC -- data collection for 2025 is ongoing. | ||||||