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Table 1 Air Quality Health (AQHI) messages according to health risk categories [10]

From: Factors influencing health care and service providers’ and their respective “at risk” populations’ adoption of the Air Quality Health Index (AQHI): a qualitative study

Health Risk

Air Quality Health Index

Health Messages

  

At Risk Populationa

General Population

Low

1 - 3

Enjoy your usual outdoor activities.

Ideal air quality for outdoor activities.

Moderate

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

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

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

  1. aPeople with heart or breathing problems are at greater risk