Ontario
Canada
45
Algoma District
Ontario
AQI 27
Brant County
Ontario
AQI 55
Brantford
Ontario
AQI 55
Bruce County
Ontario
AQI 63
Chatham-Kent Division
Ontario
AQI 34
Cochrane District
Ontario
AQI 36
Dufferin County
Ontario
AQI 43
Durham Regional Municipality
Ontario
AQI 27
Elgin County
Ontario
AQI 47
Essex County
Ontario
AQI 49
Frontenac County
Ontario
AQI 21
Greater Sudbury Division
Ontario
AQI 25
Grey County
Ontario
AQI 43
Haldimand County
Ontario
AQI 41
Haliburton County
Ontario
AQI 24
Halton Regional Municipality
Ontario
AQI 47
Hamilton Division
Ontario
AQI 63
Hastings County
Ontario
AQI 30
Huron County
Ontario
AQI 50
Kawartha Lakes Division
Ontario
AQI 25
Kenora District
Ontario
AQI 20
Lambton County
Ontario
AQI 47
Lanark County
Ontario
AQI 12
Leeds and Grenville United Counties
Ontario
AQI 21
Lennox and Addington County
Ontario
AQI 21
Manitoulin District
Ontario
AQI 37
Middlesex County
Ontario
AQI 54
Muskoka District Municipality
Ontario
AQI 21
Niagara Regional Municipality
Ontario
AQI 22
Nipissing District
Ontario
AQI 30
Norfolk County
Ontario
AQI 55
Northumberland County
Ontario
AQI 23
Ottawa Division
Ontario
AQI 36
Oxford County
Ontario
AQI 60
Parry Sound District
Ontario
AQI 38
Peel Regional Municipality
Ontario
AQI 48
Perth County
Ontario
AQI 41
Peterborough County
Ontario
AQI 25
Prescott and Russell United Counties
Ontario
AQI 2
Prince Edward County
Ontario
AQI 30
Rainy River District
Ontario
AQI 28
Renfrew County
Ontario
AQI 17
Simcoe County
Ontario
AQI 65
Stormont, Dundas and Glengarry United Counties
Ontario
AQI 38
Sudbury District
Ontario
AQI 8
Thunder Bay District
Ontario
AQI 24
Timiskaming District
Ontario
AQI 15
Toronto Division
Ontario
AQI 58
Waterloo Regional Municipality
Ontario
AQI 72
Wellington County
Ontario
AQI 53
York Regional Municipality
Ontario
AQI 53
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