2026-05-08T14:11:55Z

Annual Particulate Matter (Annual PM-2.5) Non-Attainment Designations in Region 9, 2011

Gbl Index Year Im:

2011

Dct Creator Sm:

United States. Environmental Protection Agency, Region IX

Dct Description Sm:

This polygon shapefile contains designated areas for particulate matter &lt; 2.5 microns, according to the annual National Ambient Air Quality Stan...

Dct Publisher Sm:

United States. Environmental Protection Agency, Region IX