Ontario - Air Quality Health Index - Summary

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

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

1. Forecast issued at: 5:00 PM EST Tuesday 20 February 2024

Date modified: