Current Air Quality Index Readings for Ontario

Friday, February 3, 2012, 9:00 pm

Station Name	AQI	Cause
Barrie	17	Ozone O₃
Belleville	10	Ozone O₃
Brampton	17	Fine Particulate Matter PM_2.5
Brantford	14	Fine Particulate Matter PM_2.5
Burlington	14	Fine Particulate Matter PM_2.5
Chatham	13	Fine Particulate Matter PM_2.5
Cornwall	14	Ozone O₃
Dorset	20	Ozone O₃
Grand Bend	21	Ozone O₃
Guelph	16	Ozone O₃
Hamilton Downtown	15	Fine Particulate Matter PM_2.5
Hamilton Mountain	13	Fine Particulate Matter PM_2.5
Hamilton West	14	Fine Particulate Matter PM_2.5
Kingston	10	Fine Particulate Matter PM_2.5
Kitchener	13	Ozone O₃
London	11	Fine Particulate Matter PM_2.5
Mississauga	20	Fine Particulate Matter PM_2.5
Morrisburg	14	Ozone O₃
Newmarket	18	Ozone O₃
North Bay	17	Ozone O₃
Oakville	18	Fine Particulate Matter PM_2.5
Oshawa	14	Fine Particulate Matter PM_2.5
Ottawa Central	10	Fine Particulate Matter PM_2.5
Ottawa Downtown	10	Fine Particulate Matter PM_2.5
Parry Sound	18	Ozone O₃
Petawawa	14	Ozone O₃
Peterborough	19	Ozone O₃
Port Stanley	11	Fine Particulate Matter PM_2.5
Sarnia	17	Fine Particulate Matter PM_2.5
Sault Ste Marie	20	Ozone O₃
St. Catharines	14	Fine Particulate Matter PM_2.5
Sudbury	18	Ozone O₃
Thunder Bay	14	Ozone O₃
Tiverton	19	Ozone O₃
Toronto Downtown	20	Fine Particulate Matter PM_2.5
Toronto East	18	Fine Particulate Matter PM_2.5
Toronto North	20	Fine Particulate Matter PM_2.5
Toronto West	22	Fine Particulate Matter PM_2.5
Windsor Downtown	N/A	Not Available
Windsor West	13	Fine Particulate Matter PM_2.5

Note: AQI readings on this web page are based on automatically polled data and have not undergone final verification.

Air Quality Index (AQI)