Current Air Quality Index Readings for Ontario

Saturday, May 25, 2013, 6:00 pm

Station Name	AQI	Cause
Barrie	20	Ozone O₃
Belleville	21	Ozone O₃
Brampton	22	Ozone O₃
Brantford	27	Ozone O₃
Burlington	25	Ozone O₃
Chatham	24	Ozone O₃
Cornwall	22	Ozone O₃
Dorset	23	Ozone O₃
Grand Bend	22	Ozone O₃
Guelph	24	Ozone O₃
Hamilton Downtown	25	Ozone O₃
Hamilton Mountain	26	Ozone O₃
Hamilton West	25	Ozone O₃
Kingston	21	Ozone O₃
Kitchener	24	Ozone O₃
London	25	Ozone O₃
Mississauga	21	Ozone O₃
Morrisburg	22	Ozone O₃
Newmarket	21	Ozone O₃
North Bay	22	Ozone O₃
Oakville	22	Ozone O₃
Oshawa	20	Ozone O₃
Ottawa Central	22	Ozone O₃
Ottawa Downtown	22	Ozone O₃
Parry Sound	22	Ozone O₃
Petawawa	22	Ozone O₃
Peterborough	24	Ozone O₃
Port Stanley	26	Ozone O₃
Sarnia	23	Ozone O₃
Sault Ste Marie	24	Ozone O₃
St. Catharines	24	Ozone O₃
Sudbury	22	Ozone O₃
Thunder Bay	24	Ozone O₃
Tiverton	19	Ozone O₃
Toronto Downtown	22	Ozone O₃
Toronto East	18	Ozone O₃
Toronto North	22	Ozone O₃
Toronto West	21	Ozone O₃
Windsor Downtown	27	Ozone O₃
Windsor West	28	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)