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Particulate Matter (PM)
Particulate matter, or PM, is the term for particles found in the air, including dust, dirt, soot, smoke, and liquid droplets.
Particulate Matter Fact Sheet
PM10 and PM2.5 Attainment Fact Sheet
PM 2.5 General Information
PM2.5 Planning Efforts
PM10 Redesignation Request and Limited Maintenance Plan for the City of New Haven (PDF, 1567K)
EPA's 2006 Proposed PM2.5 National Ambient Air Quality Standards
Air Quality Trends - Particulate Matter
SIP Revisions and Other State Air Quality Plans
Related Information
National Ambient Air Quality Standards (NAAQS)
Daily Air Quality Index
Printable Version
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