Current NAAQS Status in Louisville
This table shows the status of the Louisville metropolitan statistical area in attainment of national ambient air quality standards (NAAQS).
Standard | Averaging Time | Attainment Status |
---|---|---|
Carbon Monoxide | ||
9 ppm | 8-hour | Attainment |
35 ppm | 1-hour | Attainment |
Lead | ||
0.15 µg/m3 | Rolling 3-Mo Average | Attainment |
Nitrogen Dioxide | ||
0.053 ppm | Annual Average | Attainment |
0.10 ppm | 1-hour | Attainment |
Ozone | ||
0.070 ppm | 8-hour |
Nonattainment |
Particulate Matter (PM10) | ||
150 µg/m3 | 24-hour | Attainment |
Particulate Matter (PM2.5) | ||
12.0 µg/m3 | Annual Average | Attainment |
35 µg/m3 | 24-hour | Attainment |
Sulfur Dioxide | ||
0.75 ppm | 1-hour | Attainment |
0.5 ppm | 3-hour | Attainment |