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Air Quality Health Index Messages

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.

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