Air

  • Air
    This section contains information on Environment Canada's efforts to reduce air pollution and better understand its levels, causes and sources.
  • Air Quality Health Index (AQHI)
    This tool helps Canadians protect their health on a daily basis from the negative effects of air pollution. Learn more about the AQHI, to get your local AQHI update, or to find out if you are "at risk" from air pollution.