Montreal Air Quality

• Montreal’s air quality in 2023 most polluted in years due to forest fires

  The city’s annual air quality report, published this week, shows fine particle pollution spiked in 2023 to its highest level in eight years.

  Canada

  Jul 9, 2024
  
• Wildfires lead to smog warnings, poor air quality in Quebec

  Environment Canada issued smog warnings for the regions around the cities of Montreal and Gatineau and for western Quebec.

  Weather

  Jun 30, 2023
  
• Advertisement
• Montreal air quality ranks worst in the world as officials urge people to stay indoors

  Officials say the risk is highest for people with lung or heart disease, the elderly, children, pregnant people and those who work outdoors.

  Canada

  Jun 25, 2023
• Advertisement
• Montreal annual air quality improving but wildfire caution advised amid dry conditions

  On Wednesday Montreal's executive committee adopted the 2022 Air Quality Report and the results are encouraging. However, they said the risk of wildfire is still top of mind.

  Environment

  Jun 7, 2023
• Environment Canada warns of poor air quality as smoke from Ontario fires blows in to Quebec

  The smoke from forest fires in Ontario is not only causing very hazy skies over Montreal, but is affecting air quality as well. 

  Environment

  Jul 26, 2021
• Smog blankets southern Quebec as wildfire smoke blows in from Ontario

  Children with asthma and people with respiratory issues or heart disease are encouraged to avoid 'intense physical activity outdoors' until the warning is called off. 

  Canada

  Jul 20, 2021
• New study finds COVID-19 lockdown made Montreal’s air cleaner

  Fewer cars on the road meant better air quality in Montreal.

  Environment

  Feb 9, 2021
• Public health provides update on arsenic emissions in Montreal’s east end

  A new report released by Montreal public health shows a decrease in arsenic emissions in the air in the city's east end but says more work needs to be done.

  Health

  Jul 22, 2020
• Advertisement
• Smog warning still in effect for Greater Montreal, Laval

  The City of Montreal has prohibited the use of wood-burning stoves and fireplaces until the smog warning has been lifted.

  Weather

  Jan 14, 2018