Air quality in Ontario
Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 12:57, Oct 06
Government of Ontario, Ministry of the EnvironmentOklahoma Department of Environmental Quality AnonymousPié**Chris FournierHamilton Air Monitoring Network - HAMNGraydonMark OberemkMC2025Stacey SchacterBelltown - Oakley AveAmy CuriousMeKevin DamenNichols FamilyElectric Vehicle Council of OttawaCSA HamiltonianMikoAirJayDeeVBbsummAnonymous DGEC - GreensvilleMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichieJMrandalljhowardARTSean StewartJackBBriarwood Ave. Matt WojtowiczDataforge CanadaMichiruBradley SangerSWWildflower Bee Farm Ontario and Nova ScotiaTimothy DresserBijanBBT Batteries Ltd.Eric SteinLara TCaptain Benjamin WillardAnonymousHaig BlvdDave McKeeCanadian Air and Precipitation Monitoring NetworkPierreKatwyks on the RiverMeS WepplerAnonymousPeter CornelisseMitch LGregMattAnonymous contributor
1 stations sponsored by The Foundation for Clean Air
Government of Ontario, Ministry of the EnvironmentOklahoma Department of Environmental Quality AnonymousPié**Chris FournierHamilton Air Monitoring Network - HAMNGraydonMark OberemkMC2025Stacey SchacterBelltown - Oakley AveAmy CuriousMeKevin DamenNichols FamilyElectric Vehicle Council of OttawaCSA HamiltonianMikoAirJayDeeVBbsummAnonymous DGEC - GreensvilleMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichieJMrandalljhowardARTSean StewartJackBBriarwood Ave. Matt WojtowiczDataforge CanadaMichiruBradley SangerSWWildflower Bee Farm Ontario and Nova ScotiaTimothy DresserBijanBBT Batteries Ltd.Eric SteinLara TCaptain Benjamin WillardAnonymousHaig BlvdDave McKeeCanadian Air and Precipitation Monitoring NetworkPierreKatwyks on the RiverMeS WepplerAnonymousPeter CornelisseMitch LGregMattAnonymous contributor
1 stations sponsored by The Foundation for Clean Air
Live most polluted city ranking
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- Bruce Mines35
- Hawkesville28
- Timmins26
- Wellington County26
- Kenora District24
- Kenora23
- Brantford22
- Camlachie22
- Cornwall22
- Petrolia22
- Walpole Island22
- Amherstburg21
- Coldwater21
- Collingwood21
- Egbert21
- Kincardine21
- Kingston21
- Kitchener21
- Oakville21
- Ottawa21
- Perth21
- Port Stanley21
- Vaughan21
- Belleville20
- Brampton19
- Burlington19
- Chatham19
- Lambton Shores19
- Pickle Lake19
- Delaware18
- Hawkesbury18
- Nepean18
- St. Thomas18
- Aylmer17
- Guelph17
- Hamilton17
- Innisfil17
- Mississauga17
- Norfolk County17
- Simcoe17
- Ancaster16
- Binbrook16
- Bluewater16
- Blyth16
- Brant16
- Cambridge16
- Etobicoke16
- Goderich16
- Huron East16
- Ingersoll16
- Markham16
- Niagara on the Lake16
- North Perth16
- North York16
- Paris16
- Peterborough16
- Stratford16
- Thorold16
- Windsor16
- Wingham16
- Hanover15
- Lindsay15
- Omemee15
- Welland15
- Bourget14
- Carleton Place14
- Casselman14
- Clarence-Rockland14
- Dorchester14
- East Garafraxa14
- East York14
- Fort Erie14
- Gananoque14
- London14
- Merrickville-Wolford14
- Morrisburg14
- Newmarket14
- Port Colborne14
- Port Elmsley14
- Prescott14
- Smiths Falls14
- Uxbridge14
- Wendover14
- Arnprior13
- Bancroft13
- Keswick13
- Pickering13
- Prince Edward13
- Sault Ste. Marie13
- Shelburne13
- Angus12
- Barrie12
- Deseronto12
- Greater Napanee12
- Greater Sudbury12
- Milton12
- Napanee Downtown12
- Picton12
- Selwyn12
- Skatepark12
- Toronto12
- Bonner Lake11
- Grand Bend11
- Gravenhurst11
- Midland11
- North Bay11
- Parry Sound11
- Scarborough11
- St. Catharines11
- Tiverton11
- Wasaga Beach11
- Bracebridge10
- Minden Hills10
- Sarnia10
- Owen Sound9
- Quinte West9
- Richmond Hill9
- Bainsville8
- Cobourg8
- Elliot Lake8
- Espanola8
- Huntsville8
- Little Current8
- Orillia8
- Oshawa8
- Rayside-Balfour8
- Thunder Bay8
- Tobermory8
- Waterloo8
- Deep River7
- Mattawa7
- New Hamburg7
- Petawawa7
- Powassan7
- South River7
- Thessalon7
- Almonte6
- Atikokan6
- Dorset6
- Dryden6
- Ear Falls6
- Englehart6
- Erin6
- Fort Frances6
- Geraldton6
- Hearst6
- Hornepayne6
- Iroquois Falls6
- Kapuskasing6
- Kirkland Lake6
- Larder Lake6
- Marathon6
- Neebing6
- Nestor Falls6
- Niagara Falls6
- Pembroke6
- Red Lake6
- Sheguiandah6
- Sioux Narrows6
- Temiskaming Shores6
- Woodstock6
- Greenstone4
- Renfrew2
- South Huron2
- Algoma1
- Breslau1
- Brockville1
- Concord1
- Ajax0
- Bells Corners0
- Buckhorn0
- Caledon0
- Embrun0
- Kasabonika0
- Magnetawan0
- Orangeville0
- Willowdale0
