Operational Unit
Ambient Air Quality & Particulate Matter (PM2.5/PM10) Sensor Team
Atmospheric & Air Quality Monitoring
Unit Mandate
Mission & Operational Scope
Deploys and operates dense networks of ambient air quality sensors to monitor fine and coarse particulate matter concentrations, providing real-time public health alerts and long-term trend data to inform regulatory action and community protection.
Doctrine
EPA National Ambient Air Quality Standards (NAAQS) · 40 CFR Part 50
Core Capabilities
Operational Capabilities
Low-cost sensor network deployment and quality assurance/quality control (QA/QC)
Federal Reference Method (FRM) and Federal Equivalent Method (FEM) monitor operation
PM2.5 source apportionment using receptor modeling (PMF, CMB)
Air Quality Index (AQI) calculation and public alert dissemination
Wildfire smoke and transboundary pollution episode tracking
Long-term PM trend analysis for NAAQS attainment assessment
Return to
← Environmental Studies DirectorateDivision I
Atmospheric & Air Quality Monitoring