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
Thursday night Friday Friday night Saturday
Barrie 3
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Belleville 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Brampton 3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Brantford 2
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Burlington 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Chatham 3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Cornwall 2
Low Risk
2
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Dorset 1
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Grand Bend 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Guelph 3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Hamilton 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
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Kingston 3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Kitchener 3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
London 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Milton 3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Mississauga 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Newmarket 3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
North Bay 2
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Oakville 3
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Oshawa 1
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Ottawa 2
Low Risk
2
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Parry Sound 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Peterborough 2
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Port Stanley 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Sarnia 3
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
Sault Ste. Marie 3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
St. Catharines 2
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Sudbury 3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Thunder Bay 3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Tiverton 3
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
3
Low Risk
Toronto 3
Low 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
3
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
4
Moderate Risk
2
Low 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
Windsor 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
3
Low Risk

1. Forecast issued at: 5:00 PM EDT Thursday 12 September 2024

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Date modified: