Chart 3.2
Peak ambient air quality, Canada, 2002 to 2016

Chart 3.2 Peak ambient air quality, Canada, 2002 to 2016

Data table for Chart 3.2 
Data table for chart 3.2
Table summary
This table displays the results of Data table for chart 3.2 PM2.5, O3, NO2 and SO2, calculated using micrograms per cubic metre and parts per billion units of measure (appearing as column headers).
PM2.5 O3 NO2 SO2
micrograms per cubic metre parts per billion
2002 25.9 68.2 51.6 60.8
2003 25.5 67.8 50.4 59.8
2004 23.6 59.7 49.5 60.2
2005 25.3 63.3 49.6 63.1
2006 19.7 61.7 47.4 58.8
2007 21.0 64.5 45.8 56.7
2008 18.9 60.1 44.9 56.0
2009 17.4 57.4 44.1 49.4
2010 23.3 59.6 43.4 50.5
2011 19.5 57.2 42.2 36.5
2012 18.8 60.7 40.5 37.6
2013 19.6 56.6 39.7 36.3
2014 22.0 54.4 39.5 33.6
2015 22.2 59.0 39.8 31.8
2016 19.6 56.8 38.8 29.4
Notes: Ambient air quality concentrations are averaged from monitoring station data. These stations are spread across the country, but are more concentrated in urban areas. For more information about the methodology and included stations, see the CESI Air Quality Indicator.
Sources: Environment and Climate Change Canada, 2018, “Air Quality,” Canadian Environmental Sustainability Indicators, https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/air-quality.html (accessed May 11, 2020), based on data from the National Air Pollutant Surveillance Program, https://www.canada.ca/en/environment-climate-change/services/air-pollution/monitoring-networks-data/national-air-pollution-program.html.
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