Ontario - Air Quality Health Index - Provincial Summary

This table shows a provincial summary of current Air Quality Health Index values and forecast maximums1

Location and sub-locations Observed Conditions Forecast Maximums
Monday night Tuesday
Barrie 2
Low Risk
3
Low Risk
4
Moderate Risk
Belleville 3
Low Risk
3
Low Risk
4
Moderate Risk
Brampton 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Brantford 3
Low Risk
3
Low Risk
4
Moderate Risk
Burlington 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Chatham 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Cornwall 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Dorset 3
Low Risk
3
Low Risk
4
Moderate Risk
Grand Bend 3
Low Risk
3
Low Risk
4
Moderate Risk
Guelph 2
Low Risk
3
Low Risk
4
Moderate Risk
Hamilton 3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
Kingston 3
Low Risk
3
Low Risk
4
Moderate Risk
Kitchener 2
Low Risk
3
Low Risk
4
Moderate Risk
London 3
Low Risk
3
Low Risk
4
Moderate Risk
Milton 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Mississauga 2
Low Risk
4
Moderate Risk
5
Moderate Risk
Newmarket 2
Low Risk
3
Low Risk
4
Moderate Risk
North Bay 2
Low Risk
3
Low Risk
4
Moderate Risk
Oakville 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Oshawa 2
Low Risk
3
Low Risk
4
Moderate Risk
Ottawa 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Parry Sound 2
Low Risk
3
Low Risk
4
Moderate Risk
Petawawa 3
Low Risk
3
Low Risk
4
Moderate Risk
Peterborough 3
Low Risk
3
Low Risk
4
Moderate Risk
Port Stanley 3
Low Risk
3
Low Risk
4
Moderate Risk
Sarnia 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Sault Ste. Marie 3
Low Risk
3
Low Risk
4
Moderate Risk
St. Catharines 3
Low Risk
3
Low Risk
4
Moderate Risk
Sudbury 2
Low Risk
3
Low Risk
4
Moderate Risk
Thunder Bay 3
Low Risk
4
Moderate Risk
5
Moderate Risk
Tiverton 3
Low Risk
3
Low Risk
4
Moderate Risk
Toronto 3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
Windsor 3
Low Risk
4
Moderate Risk
5
Moderate Risk
3
Low Risk
4
Moderate Risk
5
Moderate Risk
4
Moderate Risk
4
Moderate Risk
5
Moderate Risk

1. Forecast issued at: 5:00 PM EDT Monday 18 March 2019

What we are doing

Date modified: