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Emission Sources

Haze-causing particles can come from a variety of sources. They can be released directly into the air from sources such as residential wood burning, industry, construction equipment, ships, cars and big trucks. Particles can also be formed by chemical reactions between gases. Learn more


From 2010 Lower Fraser Valley Air Emissions Inventory and Forecast and Backcast. September 2013.



The formation of one type of secondary particulate matter.


Learn more about what you can do to help protect visual air quality in your community.