Pollution and Air Quality

Environment Canada

• National Pollutant Release Inventory (NPRI) Databases
• Greenhouse Gas Inventory
• National Atmospheric Chemistry Database. Data sets include:
  • Particulate Matter Database
  • Precipitation Chemistry Database
  • Air Toxics Database
  • Integrated Atmospheric Deposition Network (Air and precipitation monitoring in the Great Lakes Basin)
• Canadian Environmental Sustainability Indicators
• The National Air Pollution Surveillance (NAPS) Network

Geoconnections - Canadian Geospatial Data Infrastructure
A searchable database of Canadian and international data sources. Not all sources in the database are available for download.

Air Quality Ontario

AIRNow Air Quality Maps

• Canada
• United States

Environmental Protection Agency (U.S.)

• Air Quality System
  Some sample detailed datasets for download; others may be requested
• AirData
  Data, Reports, and visualizations
• National Emissions Inventories
• AirTrends
  Air quality data and statistics for cities and counties
• Ambient Monitoring Technology Information Center
  Data from monitoring programs
• eGRID - Emissions & Generation Resource Integrated Database
  A database on the environmental characteristics of electrical power generated in the U.S.
• EPA Air Models
  • Dispersion Modeling
  • Alternative Dispersion Models
  • Lakes Software (to run some EPA air models)

NASA

• Atmospheric Science Data Center. Data sets include:
  • Measurements Of Pollution In The Troposphere
  • Stratospheric Aerosol and Gas Experiment III
• Ozone and Air Quality

National Oceanic and Atmospheric Administration

• Earth Systems Research Laboratory
  Includes downloadable datasets such as the Greenhouse Gas Index, CarbonTracker,and the Ozone Depleting Gas Index
• National Geophysical Data Center
• Aircraft Sampling
  Vertical profile of Carbon Cycle Greenhouse Gases over continental areas
• Volcanic Ash Forecast Transport and Dispersion Modeling
• HYSPLIT
  Model for computing simple air parcel trajectories to complex dispersion and deposition simulations

Center for International Earth Science Information Network

• Environmental Sustainability Index
• Population, Landscape, and Climate Estimates (PLACE)

World Ozone and Ultraviolet Radiation Data Centre (WOUDC) (Environment Canada)