Environment

Air

How can we preserve healthful air quality? Learn about the control of industrial discharge, the use of solid-fuel-burning stoves and fireplaces and other ways to stop air pollution.

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  • The city has adopted various measures to protect air quality. What are the standards set for the population? Which permits are required for corporations? Find out more about the air quality index, report a worrisome situation and monitor smog episodes.

  • Idling the engine of a motor vehicle that is not moving is prohibited in Montréal. Learn everything you need to know about motor vehicle idling.

  • Do you use a wood-burning heating system? Since 2015, the city has regulated the use of solid fuel-burning appliances in each of Montréal’s 19 boroughs. Learn more about this new by-law.