"Changes in emissions of key air pollutants from the oil and gas industry, Canada, 1990 to 2024",,,,,,,,,, ,,,,,,,,,, Year,Carbon monoxide (percentage change from 1990 level),Carbon monoxide (emissions in kilotonnes),Nitrogen oxides (percentage change from 1990 level),Nitrogen oxides (emissions in kilotonnes),Volatile organic compounds (percentage change from 1990 level),Volatile organic compounds (emissions in kilotonnes),Sulphur oxides (percentage change from 1990 level),Sulphur oxides (emissions in kilotonnes),Black carbon (percentage change from 1990 level),Black carbon (emissions in kilotonnes) 1990,0,335,0,344,0,605,0,540,n/a,n/a 1991,-3,324,-2,338,-1,600,1,546,n/a,n/a 1992,1,339,3,354,2,615,8,585,n/a,n/a 1993,8,361,10,379,6,643,14,614,n/a,n/a 1994,19,399,19,411,9,661,13,611,n/a,n/a 1995,21,406,24,427,11,673,12,605,n/a,n/a 1996,25,419,28,439,16,702,13,608,n/a,n/a 1997,40,468,40,483,14,689,5,564,n/a,n/a 1998,45,486,44,495,16,702,-1,534,n/a,n/a 1999,49,498,49,512,8,654,-3,525,n/a,n/a 2000,32,442,33,456,11,669,-3,522,n/a,n/a 2001,39,466,31,451,11,673,-7,503,n/a,n/a 2002,49,500,31,452,13,684,-13,470,n/a,n/a 2003,58,529,43,493,12,678,-12,476,n/a,n/a 2004,50,501,24,427,9,657,-13,468,n/a,n/a 2005,47,493,24,428,8,653,-15,461,n/a,n/a 2006,50,502,24,427,4,631,-22,423,n/a,n/a 2007,56,522,31,450,4,628,-26,401,n/a,n/a 2008,61,538,34,460,5,634,-31,374,n/a,n/a 2009,56,523,32,455,-3,587,-32,367,n/a,n/a 2010,55,518,29,445,-6,569,-38,334,n/a,n/a 2011,57,527,33,457,-8,557,-40,322,n/a,n/a 2012,58,528,31,450,0,608,-40,324,n/a,n/a 2013,67,558,31,452,9,659,-43,309,0,3 2014,63,544,34,462,15,695,-48,280,15,3 2015,65,553,35,465,10,667,-53,254,8,3 2016,60,535,33,457,-1,598,-56,239,-7,2 2017,64,549,35,465,2,615,-54,246,-2,3 2018,71,573,38,476,5,636,-52,257,1,3 2019,61,538,36,469,1,612,-52,257,-2,3 2020,53,511,29,445,-13,524,-57,233,-1,3 2021,60,536,28,439,-14,523,-54,249,7,3 2022,56,522,29,444,-13,528,-51,262,7,3 2023,61,539,30,447,-12,535,-54,248,4,3 2024,58,530,30,447,-10,546,-57,232,3,3 ,,,,,,,,,, "Note: n/a = not available. Fine particulate matter and ammonia are not shown in the table due to their low share (≤ 1%) of total emissions in 2024. Black carbon emissions reporting did not begin until 2013, marking the fist year of the Black Carbon Emissions Inventory.",,,,,,,,,, Source: Environment and Climate Change Canada (2026) Air Pollutant Emission Inventory (https://www.canada.ca/en/environment-climate-change/services/pollutants/air-emissions-inventory-overview.html) and Black Carbon Emissions Inventory (https://www.canada.ca/en/environment-climate-change/services/pollutants/black-carbon-emissions-inventory.html).,,,,,,,,,, Available on the Environmental indicators website (www.canada.ca/environmental-indicators).,,,,,,,,,,