Oklahoma Department of Environmental Quality
2024 Oklahoma PM2.5 Annual Means
Averaged Over 3 Years 
Updated through November 2024
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
  2021 2022 2023 2024* 2021-2023 2022-2024*
OKC Downtown 8.4 7.4 9.5 8.0 8.4 8.3
Moore 9.9 8.7 9.2 9.1 9.3 9.0
OKC Near Road 10.0 8.3 8.9 9.0 9.1 8.7
Glenpool 8.9 7.4 8.1 8.2 8.2 7.9
Healdton 7.9 6.7 7.5 8.0 7.4 7.4
McAlester 8.7 7.9 8.0 8.8 8.2 8.2
Ponca City 10.5 7.5 9.2 9.9 9.0 8.6
Lawton 7.5 7.0 6.9 6.6 7.1 6.8
Seiling 6.9 6.8 7.1 7.7 6.9 7.2
OKC North 9.5 8.3 8.1 8.2 8.6 8.2
Tulsa Central 9.1 8.2 9.1 8.3 8.8 8.5
* Data collection for 2024 is ongoing and values will be updated quarterly or when available
Correction equation applied to data derived from Teledyne T640 or T640x instruments