Home
District Information
Maps
Burn Information
Air Quality
Permits & Forms
Rules & Regulations
Complaints
Air Pollution News
Educational Information
How To Find Us
Links

2000 Attainment / Non-attainment Status

AIR QUALITY DESIGNATION

Ozone:

California - Non-attainment / Transitional
US EPA - Unclassified / Attainment

Particulate PM10 and PM2.5:

California - Non-attainment & Attainment
US EPA - Unclassified & Unclassified / Attainment

California Area Designations:

Unclassified: a pollutant is designated unclassified if the data are incomplete and do not support a designation of attainment or non-attainment.

Attainment: a pollutant is designated attainment if the state standard for that pollutant was not violated at any site in the    area during a three year period.

Non-attainment: a pollutant is designated non-attainment if there was at least one violation of a State standard for that pollutant in the area.

Non-attainment/Transitional:

U.S. EPA Designations:

Non-attainment: any area that does not meet (or that contributes to ambient air quality in a nearby area that does not meet) the national primary or secondary ambient air quality standard for the pollutant.

Attainment: any area (other than an area identified in clause (i)) that meets the national primary or secondary ambient air quality standard for the pollutant.

Unclassifiable: any area that cannot be classified on the basis of available information as meeting or not meeting the national primary or secondary ambient air quality standard for the pollutant.

 

 

                               Home Search Page Feedback Contents