| Oklahoma Department of Environmental Quality | ||||||
| 2025 PM2.5 Annual Means | ||||||
| Averaged over 3 years (µg/m³) updated through April 2025 | ||||||
| Primary Standard = 9.0 µg/m3 3-Yr Avg. | ||||||
| Secondary Standard = 15 µg/m3 3-Yr Avg. | ||||||
| Site Name | Annual Wtd Mean (µg/m3) | 3-Yr Design Value | ||||
| 2022 | 2023 | 2024 | 2025* | 22-24 | 23-25* | |
| OKC Downtown | 7.4 | 9.5 | 8.0 | 9.3 | 8.3 | 8.9 |
| Moore | 8.7 | 9.2 | 9.1 | 7.7 | 9.0 | 8.7 |
| OKC Near Road | 8.3 | 8.9 | 9.1 | 8.8 | 8.8 | 8.9 |
| Glenpool | 7.4 | 8.1 | 8.4 | 8.4 | 8.0 | 8.3 |
| Healdton | 6.7 | 7.5 | 8.3 | 6.0 | 7.5 | 7.2 |
| McAlester | 7.9 | 8.0 | 8.8 | 9.1 | 8.2 | 8.7 |
| Ponca City | 7.5 | 9.2 | 9.1 | 8.1 | 8.6 | 8.8 |
| Lawton | 7.0 | 6.9 | 6.6 | 6.6 | 6.8 | 6.7 |
| Seiling | 6.8 | 7.1 | 7.3 | 7.0 | 7.0 | 7.1 |
| OKC North | 8.3 | 8.1 | 8.2 | 7.5 | 8.2 | 7.9 |
| Tulsa Central | 8.2 | 9.1 | 8.4 | 9.0 | 8.6 | 8.8 |
| *All data is subject to change upon QA/QC -- data collection for 2025 is ongoing. | ||||||
| Correction equation applied to data derived from Teledyne T640/T640x instruments | ||||||