Current NAAQS Attainment Status for Birmingham
The table below displays the current National Ambient Air Quality Standards (NAAQS) set by the US Environmental Protection Agency and the Birmingham area’s attainment status for each pollutant.
Carbon Monoxide (CO2) |
8-hour 1-hour |
9 ppm 35 ppm |
Attainment Attainment |
Lead (Pb) |
Rolling 3-Mos Avg 1-hour |
0.15 µg/m3 100 ppb |
Attainment Attainment |
Nitrogen Dioxide (NO2) |
Annual |
53 ppb |
Attainment |
Ozone (O3) |
8-hour Annual |
0.075 ppm 12 µg/m3 |
Attainment Attainment |
Particulate Matter (PM2.5) |
24-hour |
35 µg/m3 |
Attainment |
Particulate Matter (PM10) |
24-hour 1-hour |
150 µg/m3 75 ppb |
Attainment Pending* |
Sulfur Dioxide (SO2) |
3-hour |
0.5 ppm |
Attainment |
*EPA has acknowledged that the area meets the standard, but is not yet prepared to propose designation action