Air Quality Alerts

Updated at June 7, 2025, 12:12 pm EDT.

For a table of health messages by Air Quality Health Index category, and list of additional health messages for use during a Special Air Quality Statement and/or a Air Quality Warning, please see our Health Messages.

Current Special Air Quality Statements

The Special Air Quality Statement for Ontario issued jointly by the Ontario Ministry of the Environment, Conservation and Parks, and Environment and Climate Change Canada. Updated on June 7, 2025, 4:10 pm EDT.

Area NameForecast RegionStart Date
North Bay - Powassan - Mattawa North Bay - West Nipissing 2025-06-06
West Nipissing - French River North Bay - West Nipissing 2025-06-06
Greater Sudbury And Vicinity Greater Sudbury and vicinity 2025-06-06
Espanola - Killarney Manitoulin - Blind River - Killarney 2025-06-06
Temiskaming Shores - Temagami Kirkland Lake - Temiskaming Shores - Temagami 2025-06-06
Wawa - Pukaskwa Park Wawa - White River - Pukaskwa 2025-06-06
Merrickville-wolford - Kemptville Brockville - Leeds and Grenville 2025-06-05
Morrisburg - Long Sault Cornwall - Morrisburg 2025-06-05
Cornwall - Lancaster Cornwall - Morrisburg 2025-06-05
Winchester - Newington Cornwall - Morrisburg 2025-06-05
Maxville - Alexandria Cornwall - Morrisburg 2025-06-05
Plevna - Sharbot Lake - Western Lanark County Smiths Falls - Lanark - Sharbot Lake 2025-06-05
Smiths Falls - Perth - Eastern Lanark County Smiths Falls - Lanark - Sharbot Lake 2025-06-05
Ottawa North - Kanata - Orléans City of Ottawa 2025-06-05
Ottawa South - Richmond - Metcalfe City of Ottawa 2025-06-05
Prescott And Russell Prescott and Russell 2025-06-05
Orillia - Lagoon City - Washago Barrie - Orillia - Midland 2025-06-05
Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes Peterborough - Kawartha Lakes 2025-06-05
Apsley - Woodview - Northern Peterborough County Peterborough - Kawartha Lakes 2025-06-05
Kaladar - Bannockburn - Bon Echo Park Bancroft - Bon Echo Park 2025-06-05
Bancroft - Hastings Highlands - Denbigh Bancroft - Bon Echo Park 2025-06-05
Bracebridge - Gravenhurst Parry Sound - Muskoka 2025-06-05
Huntsville - Baysville Parry Sound - Muskoka 2025-06-05
Haliburton - Minden - Southern Haliburton County Haliburton 2025-06-05
Oxtongue Lake - Fort Irwin - Northern Haliburton County Haliburton 2025-06-05
Barry's Bay - Killaloe Renfrew - Pembroke - Barry's Bay 2025-06-05
Renfrew - Arnprior - Calabogie Renfrew - Pembroke - Barry's Bay 2025-06-05
Petawawa - Pembroke - Cobden Renfrew - Pembroke - Barry's Bay 2025-06-05
South River - Burk's Falls Burk's Falls - Bayfield Inlet 2025-06-05
Western Algonquin Park - Lake Of Two Rivers Algonquin 2025-06-05
Deep River - Whitney - Eastern Algonquin Park Algonquin 2025-06-05
Midland - Coldwater - Orr Lake Barrie - Orillia - Midland 2025-06-05
Port Carling - Port Severn Parry Sound - Muskoka 2025-06-05
Town Of Parry Sound - Rosseau - Killbear Park Parry Sound - Muskoka 2025-06-05
Bayfield Inlet - Dunchurch Burk's Falls - Bayfield Inlet 2025-06-05
Bruce Peninsula - Sauble Beach - Tobermory Grey - Bruce 2025-06-05
Sault Ste. Marie - St. Joseph Island Sault Ste. Marie - Superior East 2025-06-04
Searchmont - Montreal River Harbour - Batchawana Bay Sault Ste. Marie - Superior East 2025-06-04
Agawa - Lake Superior Park Sault Ste. Marie - Superior East 2025-06-04
Elliot Lake - Ranger Lake Elliot Lake - Ranger Lake 2025-06-04
Manitoulin Island Manitoulin - Blind River - Killarney 2025-06-04
Blind River - Thessalon Manitoulin - Blind River - Killarney 2025-06-04
Kirkland Lake - Englehart Kirkland Lake - Temiskaming Shores - Temagami 2025-06-04
Timmins - Cochrane - Iroquois Falls Timmins - Cochrane 2025-06-04
Little Abitibi - Kesagami Lake Timmins - Cochrane 2025-06-04
Chapleau - Missinaibi Lake Chapleau - Gogama 2025-06-04
Gogama - Foleyet Chapleau - Gogama 2025-06-04
Moosonee Moosonee - Fort Albany 2025-06-04
White River - Dubreuilville Wawa - White River - Pukaskwa 2025-06-03
Kapuskasing - Hearst - Smooth Rock Falls Kapuskasing - Hearst 2025-06-03
Fraserdale - Pledger Lake Kapuskasing - Hearst 2025-06-03
Fort Albany Moosonee - Fort Albany 2025-06-03
Nipigon - Rossport Nipigon - Marathon - Superior North 2025-05-29
Marathon - Schreiber Nipigon - Marathon - Superior North 2025-05-29
Beardmore - Jellicoe - Macdiarmid Lake Nipigon - Wabakimi 2025-05-29
Geraldton - Longlac - Caramat Geraldton - Manitouwadge - Hornepayne 2025-05-29
Manitouwadge - Hornepayne Geraldton - Manitouwadge - Hornepayne 2025-05-29
Nakina - Aroland - Pagwa Geraldton - Manitouwadge - Hornepayne 2025-05-29
Ear Falls - Perrault Falls - Western Lac Seul Red Lake - Ear Falls 2025-05-28
Peawanuck Peawanuck 2025-05-27
Red Lake - Woodland Caribou Park Red Lake - Ear Falls 2025-05-27
Fort Severn Fort Severn 2025-05-27

Current Air Quality Warnings

The Air Quality Warning for Ontario issued jointly by the Ontario Ministry of the Environment, Conservation and Parks, and Environment and Climate Change Canada. Updated on June 7, 2025, 4:56 am EDT.

Area NameForecast RegionStart Date
Fort Hope - Lansdowne House - Ogoki Fort Hope - Webequie 2025-06-03
Webequie Fort Hope - Webequie 2025-06-03
Attawapiskat Attawapiskat 2025-06-03
Big Trout Lake - Kasabonika Big Trout Lake - Sachigo Lake 2025-06-03
Sachigo Lake - Bearskin Lake Big Trout Lake - Sachigo Lake 2025-06-03
Pickle Lake - Cat Lake Pickle Lake - Wunnummin Lake 2025-06-02
Summer Beaver - Wunnummin Lake - Kingfisher Lake Pickle Lake - Wunnummin Lake 2025-06-02
Sandy Lake - Weagamow Lake - Deer Lake Sandy Lake - Pikangikum 2025-06-02
Pikangikum - Poplar Hill - Macdowell Sandy Lake - Pikangikum 2025-06-02
Red Lake - Woodland Caribou Park Red Lake - Ear Falls 2025-06-02
Ear Falls - Perrault Falls - Western Lac Seul Red Lake - Ear Falls 2025-06-02

Ended Special Air Quality Statements

The Special Air Quality Statement for Ontario has been ended jointly by the Ontario Ministry of the Environment, Conservation and Parks, and Environment and Climate Change Canada. Updated on June 7, 2025, 4:07 pm EDT.

Area NameForecast RegionStart DateEnd Date
Gull Bay - Black Sturgeon Lake Lake Nipigon - Wabakimi 2025-05-29 2025-06-07
Savant Lake - Sturgeon Lake Sioux Lookout - Savant Lake 2025-05-29 2025-06-07
Armstrong - Auden - Wabakimi Park Lake Nipigon - Wabakimi 2025-05-29 2025-06-07
Sioux Lookout - Eastern Lac Seul Sioux Lookout - Savant Lake 2025-05-29 2025-06-07
Cloud Bay - Dorion Superior West 2025-05-29 2025-06-07
Upsala - Raith Atikokan - Upsala - Quetico 2025-05-29 2025-06-07
Ignace - English River Dryden - Ignace 2025-05-29 2025-06-07
Dryden - Vermilion Bay Dryden - Ignace 2025-05-29 2025-06-07
Picton - Sandbanks Park Kingston - Prince Edward 2025-06-05 2025-06-07
Napanee - Consecon Kingston - Prince Edward 2025-06-05 2025-06-07
Kingston - Odessa - Frontenac Islands Kingston - Prince Edward 2025-06-05 2025-06-07
Gananoque - Mallorytown Brockville - Leeds and Grenville 2025-06-05 2025-06-07
Brockville - Prescott Brockville - Leeds and Grenville 2025-06-05 2025-06-07
St. Thomas - Aylmer - Eastern Elgin County Elgin 2025-06-06 2025-06-07
Simcoe - Delhi - Norfolk Simcoe - Delhi - Norfolk 2025-06-06 2025-06-07
Dunnville - Caledonia - Haldimand Dunnville - Caledonia - Haldimand 2025-06-06 2025-06-07
Niagara Falls - Welland - Southern Niagara Region Niagara 2025-06-06 2025-06-07
Belleville - Quinte West - Eastern Northumberland County Belleville - Quinte - Northumberland 2025-06-05 2025-06-07
St. Catharines - Grimsby - Northern Niagara Region Niagara 2025-06-06 2025-06-07
Cobourg - Colborne - Western Northumberland County Belleville - Quinte - Northumberland 2025-06-05 2025-06-07
Tamworth - Sydenham - South Frontenac Stirling - Tweed - South Frontenac 2025-06-05 2025-06-07
Westport - Charleston Lake Brockville - Leeds and Grenville 2025-06-05 2025-06-07
Fort Frances - Emo - Rainy River Fort Frances - Rainy Lake 2025-05-29 2025-06-06
Kakabeka Falls - Whitefish Lake - Arrow Lake Superior West 2025-05-29 2025-06-06
Seine River Village - Mine Centre Fort Frances - Rainy Lake 2025-05-29 2025-06-06
Atikokan - Shebandowan - Quetico Park Atikokan - Upsala - Quetico 2025-05-29 2025-06-06
City Of Thunder Bay City of Thunder Bay 2025-05-29 2025-06-06
Woodstock - Tillsonburg - Oxford County Oxford - Brant 2025-06-05 2025-06-06
Brantford - County Of Brant Oxford - Brant 2025-06-05 2025-06-06
Stirling - Tweed - Madoc Stirling - Tweed - South Frontenac 2025-06-05 2025-06-06
Rodney - Shedden - Western Elgin County Elgin 2025-05-30 2025-06-06
City Of Hamilton City of Hamilton 2025-06-05 2025-06-06
Peterborough City - Lakefield - Southern Peterborough County Peterborough - Kawartha Lakes 2025-06-05 2025-06-06
Stratford - Mitchell - Southern Perth County Huron - Perth 2025-06-05 2025-06-06
Kitchener - Cambridge - Region Of Waterloo Waterloo - Wellington 2025-06-05 2025-06-06
Guelph - Erin - Southern Wellington County Waterloo - Wellington 2025-06-05 2025-06-06
Burlington - Oakville Halton - Peel 2025-06-05 2025-06-06
Halton Hills - Milton Halton - Peel 2025-06-05 2025-06-06
Mississauga - Brampton Halton - Peel 2025-06-05 2025-06-06
Vaughan - Richmond Hill - Markham York - Durham 2025-06-05 2025-06-06
Pickering - Oshawa - Southern Durham Region York - Durham 2025-06-05 2025-06-06
City Of Toronto City of Toronto 2025-06-05 2025-06-06
London - Parkhill - Eastern Middlesex County London - Middlesex 2025-06-05 2025-06-06
Windsor - Leamington - Essex County Windsor - Essex - Chatham-Kent 2025-05-30 2025-06-06
Strathroy - Komoka - Western Middlesex County London - Middlesex 2025-05-30 2025-06-06
Listowel - Milverton - Northern Perth County Huron - Perth 2025-06-05 2025-06-06
Mount Forest - Arthur - Northern Wellington County Waterloo - Wellington 2025-06-05 2025-06-06
Caledon Halton - Peel 2025-06-05 2025-06-06
Newmarket - Georgina - Northern York Region York - Durham 2025-06-05 2025-06-06
Uxbridge - Beaverton - Northern Durham Region York - Durham 2025-06-05 2025-06-06
Hanover - Dundalk - Southern Grey County Grey - Bruce 2025-06-05 2025-06-06
Orangeville - Grand Valley - Southern Dufferin County Dufferin - Innisfil 2025-06-05 2025-06-06
Shelburne - Mansfield - Northern Dufferin County Dufferin - Innisfil 2025-06-05 2025-06-06
Innisfil - New Tecumseth - Angus Dufferin - Innisfil 2025-06-05 2025-06-06
Lindsay - Southern Kawartha Lakes Peterborough - Kawartha Lakes 2025-06-05 2025-06-06
Chatham-kent - Rondeau Park Windsor - Essex - Chatham-Kent 2025-05-30 2025-06-06

Ended Air Quality Warnings

The Air Quality Warning for Ontario has been ended jointly by the Ontario Ministry of the Environment, Conservation and Parks, and Environment and Climate Change Canada. Updated on June 7, 2025, 5:40 am EDT.

Area NameForecast RegionStart DateEnd Date
Kenora - Grassy Narrows - Whitedog Kenora - Nestor Falls 2025-06-02 2025-06-07
Sioux Narrows - Nestor Falls - Morson Kenora - Nestor Falls 2025-06-02 2025-06-07