Long-term Trends

Information on the long-term trend of various parameters monitored in Alberta, including Alberta's Air Quality Index, Benzene, Benzo(a)pyrene, Carbon Monoxide, Fine Particulate Matter (PM2.5), Hydrogen Sulphide, Nitrogen Dioxide, Ozone and Sulphur Dioxide can be found at Alberta Environment’s State of Environment Website.

	Long-term Trends Information on the long-term trend of various parameters monitored in Alberta, including Alberta's Air Quality Index, Benzene, Benzo(a)pyrene, Carbon Monoxide, Fine Particulate Matter (PM2.5), Hydrogen Sulphide, Nitrogen Dioxide, Ozone and Sulphur Dioxide can be found at Alberta Environment’s State of Environment Website.