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 re-scheduling 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 re-schedule strenuous activities outdoors. Children and the elderly should also take it easy.

Consider reducing or re-scheduling 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 re-schedule strenuous activities outdoors, especially if you experience symptoms such as coughing and throat irritation.