Ontario - Air Quality Health Index - Provincial Summary

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

Location Current Observation Forecast Maximums
Tuesday Tuesday night Wednesday
Barrie 2
Low Risk
3
Low Risk
3
Low Risk
4
Moderate Risk
Brampton 4
Moderate Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Burlington 4
Moderate Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Hamilton 3
Low Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Kingston 2
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
London 3
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk
Mississauga 2
Low Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Newmarket 3
Low Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Oakville 2
Low Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Oshawa 3
Low Risk
3
Low Risk
3
Low Risk
4
Moderate Risk
Ottawa 1
Low Risk
3
Low Risk
3
Low Risk
3
Low Risk
Peterborough 2
Low Risk
3
Low Risk
3
Low Risk
4
Moderate Risk
Sault Ste. Marie 1
Low Risk
2
Low Risk
2
Low Risk
3
Low Risk
St. Catharines 2
Low Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Toronto 3
Low Risk
4
Moderate Risk
3
Low Risk
4
Moderate Risk
Windsor 1
Low Risk
3
Low Risk
4
Moderate Risk
4
Moderate Risk

1. Forecast issued at: 6:00 AM EDT Tuesday 30 September 2014

This table is a summary of air quality health messages by category.

Health Risk Air Quality Health Index Health Messages
At Risk Population* General Population
Low Risk 1 - 3 Enjoy your usual outdoor activities. Ideal air quality for outdoor activities.
Moderate Risk 4 - 6 Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms. No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
High Risk 7 - 10 Reduce or reschedule strenuous activities outdoors. Children and the elderly should also take it easy. Consider reducing or rescheduling strenuous activities outdoors if you experience symptoms such as coughing and throat irritation.
Very High Risk Above
10
Avoid strenuous activities outdoors. Children and the elderly should also avoid outdoor physical exertion. Reduce or reschedule strenuous activities outdoors, especially if you experience symptoms such as coughing and throat irritation.

*Unsure if you are at risk? Consult this health guide to help you determine if you are at risk from air pollution. People with heart or breathing problems are at greater risk. Follow your doctor's usual advice about exercising and managing your condition.