Current Air Quality Index Readings for Ontario

Friday, May 24, 2013, 9:00 pm

Station Name	AQI	Cause
Barrie	19	Ozone O₃
Belleville	18	Ozone O₃
Brampton	20	Ozone O₃
Brantford	21	Ozone O₃
Burlington	20	Ozone O₃
Chatham	21	Ozone O₃
Cornwall	7	Ozone O₃
Dorset	20	Ozone O₃
Grand Bend	22	Ozone O₃
Guelph	21	Ozone O₃
Hamilton Downtown	20	Ozone O₃
Hamilton Mountain	20	Ozone O₃
Hamilton West	20	Ozone O₃
Kingston	19	Ozone O₃
Kitchener	21	Ozone O₃
London	20	Ozone O₃
Mississauga	19	Ozone O₃
Morrisburg	19	Ozone O₃
Newmarket	21	Ozone O₃
North Bay	22	Ozone O₃
Oakville	20	Ozone O₃
Oshawa	20	Ozone O₃
Ottawa Central	22	Ozone O₃
Ottawa Downtown	21	Ozone O₃
Parry Sound	21	Ozone O₃
Petawawa	22	Ozone O₃
Peterborough	20	Ozone O₃
Port Stanley	21	Ozone O₃
Sarnia	23	Ozone O₃
Sault Ste Marie	21	Ozone O₃
St. Catharines	20	Ozone O₃
Sudbury	19	Ozone O₃
Thunder Bay	24	Ozone O₃
Tiverton	19	Ozone O₃
Toronto Downtown	20	Ozone O₃
Toronto East	16	Ozone O₃
Toronto North	21	Ozone O₃
Toronto West	17	Ozone O₃
Windsor Downtown	22	Ozone O₃
Windsor West	23	Ozone O₃

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

Air Quality Index (AQI)