EPA Air · NAAQS nonattainment
Air-emissions sources in nonattainment counties, Massachusetts
Facilities in a county EPA has designated as not meeting a National Ambient Air Quality Standard (NAAQS) for at least one pollutant, per EPA’s Green Book of currently designated areas.
- 4,327Facilities
Counties with sources in nonattainment areas, Massachusetts
- Barnstable County95
- Berkshire County104
- Bristol County484
- Dukes County7
- Essex County376
- Franklin County66
- Hampden County432
- Hampshire County93
- Middlesex County932
- Nantucket County9
- Norfolk County365
- Plymouth County256
- Suffolk County412
- Worcester County696
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Facility and location figures from EPA’s ICIS-AIR download. Nonattainment designation from EPA’s Green Book, by county and state.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for state MA in nonattainment areas. It lists 4,334 facilities in MA, 4,327 facilities in MA in nonattainment areas, and 95 major sources in MA in nonattainment areas.