Attainment Status of National Ambient Air Quality Standards

Current Standards

Designation Status Maps
Click the image thumbnails below to see or download full size maps (PDF) showing North Carolina's designation status for each NAAQS pollutant.

Designation History (by pollutant)
In this section you will find more detailed information about attainment status by pollutant (Ozone, Fine Particulate Matter, Sulfur Dioxide and Carbon Monoxide) and information concerning our State's current attainment status for the National Ambient Air Quality Standards (NAAQS) with respect to these pollutants.

Early Action Compacts
Archived information regarding North Carolina Early Action Compact (EAC) efforts.