Air and Climate Indicators

Air Quality

• Ambient Levels of Air Pollutants (updated June 2012)
  • Fine particulate matter (PM_2.5)
  • Ground-level ozone (O₃)
  • Sulphur dioxide (SO₂)
  • Nitrogen dioxide (NO₂)
  • Volatile organic compounds (VOC)
• International Comparison: Urban Air Quality (updated June 2012)

Emissions to Air

Air Pollutants

• National Air Pollutant Emissions (updated May 2013)
  • Sulphur oxides (SO_x)  
  • Nitrogen oxides (NO_x)
  • Volatile organic compounds (VOC)
  • Ammonia (NH₃)
  • Carbon monoxide (CO) 
  • Particulate matter (TPM, PM₁₀, and PM_2.5) 
• International Comparison: Air Pollutant Emissions (updated May 2013)

Toxic Substances (updated July 2013)

• Emission of Toxic Substances to Air
  • Mercury emissions to air
  • Emissions of hexavalent chromium to air

Greenhouse Gases

• National Greenhouse Gas Emissions (updated May 2013)
  • Greenhouse Gas Emissions per Person and per Unit Gross Domestic Product 
  • Greenhouse Gas Emissions by Economic Sector
  • Greenhouse Gas Emissions by Province and Territory
  • Greenhouse Gas Emissions from Large Facilities
• Global Carbon Dioxide Emissions from Fuel Combustion (updated May 2013)
• Progress Toward Canada's Greenhouse Gas Emissions Reduction Target (updated August 2012)

Weather

• Weather Warning Index (updated July 2013)

Human Health Impacts Related to Pollution

• Air Health Indicator (updated July 2011)
• Level of Exposure to Substances of Concern (updated July 2012)