Chart 3.1
Average ambient air quality, Canada, 2002 to 2016

Chart 3.1 Average ambient air quality, Canada, 2002 to 2016

Data table for Chart 3.1 
Data table for chart 3.1
Table summary
This table displays the results of Data table for chart 3.1 PM2.5, O3, NO2, SO2 and VOCs, calculated using micrograms per cubic metre, parts per billion and parts per billion carbon units of measure (appearing as column headers).
PM2.5 O3 NO2 SO2 VOCs
micrograms per cubic metre parts per billion parts per billion carbon
2002 7.3 32.8 13.7 2.8 91.3
2003 7.2 33.5 13.9 2.6 119.9
2004 6.5 31.8 12.2 2.3 108.6
2005 6.9 33.0 12.0 2.2 84.8
2006 6.2 32.7 11.2 2.1 92.2
2007 6.1 33.2 11.2 2.2 87.2
2008 6.1 32.5 10.9 1.9 84.9
2009 6.0 31.8 10.2 1.7 90.9
2010 6.8 33.1 9.5 1.5 80.7
2011 6.6 33.2 9.5 1.5 75.7
2012 6.6 33.8 8.7 1.5 65.9
2013 7.2 33.2 8.7 1.3 70.3
2014 7.5 33.1 8.7 1.3 65.1
2015 7.5 32.9 8.4 1.1 67.8
2016 6.4 32.5 7.8 1.0 58.4
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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