AgencyAerosolWatch
Satellite Aerosol & Air Quality ImageryOverlay and animate satellite observations of global aerosol and air quality events, including wildfires, dust storms and haze.
Air Quality Tool Catalog
The AIR4US tool
Explore air quality data in one interactive map
The AIR4US visualization tool brings authoritative air quality layers like smoke, surface monitors, and satellite observations together, so you can explore conditions across the country in a single app.
Fire Smoke North-America
Near real-time PM2.5 smoke forecasts from wildfires across North America.
Partner agency tools
Tools from our partner agencies
Browse tools available from our partner agencies to access, visualize, and analyze air quality data.
Agency
AgencyAir Quality System (AQS) Map Viewer
Monitor Locations & Data AccessView AQS monitor locations and download corresponding air quality data.
AgencyGiovanni
Interactive Data VisualizationBrowser-based platform for analyzing and visualizing gridded satellite data. Covers NO₂, CO, PM2.5 proxies, and aerosol optical depth across 2,000+ variables. No download required.
AgencyMELODIES-MONET
Model Evaluation FrameworkEvaluates atmospheric chemistry and air quality models against observational datasets — surface monitors, aircraft, and satellite retrievals. Configure via YAML to generate diagnostic plots, spatial maps, and bias statistics.
AgencyNOAA Air Quality Forecast Guidance
National Air Quality Forecast CapabilityVisualize any layer from NOAA's National Air Quality Forecast Capability (NAQFC) Regional Model Guidance generated within the past 7 days.
AgencyRSIG
Remote Sensing Information GatewayOn-the-fly access to multi-terabyte air quality datasets. Reprojects and regrids satellite, model, and in-situ data onto CMAQ-compatible grids with full 3D visualization.
AgencySMOKE
Sparse Matrix Operator Kernel EmissionsStandard EPA system for preparing model-ready gridded, speciated, hourly emissions for CMAQ, WRF-Chem, and CAMx from the National Emissions Inventory.