Ontario Particulate Matter (PM₁₀) Level
Canada
See Air Quality ofOntario
MapOntario
PM10 particles are with a diameter of 10 micrometers (µm) or smaller and human hair has a diameter of 50 to 70 (µm). It makes PM10 1/5 to 1/7 of the human hair size.
Most Polluted Cities 2026
Canada
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Fort St John, British Columbia
Moderate
2xabove Standard
2.
Grande Prairie, Alberta
Moderate
2xabove Standard
3.
Chatham, Ontario
Moderate
1xabove Standard
4.
Windsor, Ontario
Moderate
1xabove Standard
5.
Whitehorse, Yukon
Moderate
1xabove Standard
6.
Lethbridge, Alberta
Good
1xequal Standard
7.
Medicine Hat, Alberta
Good
1xbelow Standard
8.
Estevan, Saskatchewan
Good
2xbelow Standard
9.
Brandon, Manitoba
Good
2xbelow Standard
10.
Edson, Alberta
Good
2xbelow Standard
Last Updated: 19 Jul 2026, 11:48 PM
AQI City RankingsUncovering the Sources of Particulate Matter (PM₁₀): Where Does It Come From?
Wind-blown dust
Dust lifted and spread by the wind from bare soil.
Construction sites
Dust and pollutants from building activities.
Industries
Releases various pollutants from different processes.
Waste burning
Smoke and toxins from burning waste materials.
Landfills
Emissions from decomposing waste in big landfills.
Vehicles exhausts
Emissions of harmful gases and particles from cars.Short-Term PM₁₀ Exposure Impacts
Allergies
Airborne allergens causing sneezing and itching.
Cough and runny nose
Respiratory irritation cause to coughing
Eyes irritations
Redness and discomfort in the eyes.
Chest tightness
Constriction feeling in the chest.
Breathing difficulty
Trouble in breathing or discomfort in the chest.Why you should care about Particulate Matter (PM₁₀)?
Know More About PM₁₀ Sensor
