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Air quality |
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The Air Quality Health Index is a national health-based index to help individuals protect their health, and the health of people in their care. The new Index is developed by environmental and health professionals to communicate the health risk posed by local air pollution conditions.
A scale from 1 to 10
The Air Quality Health Index is simple. It measures air quality in relation to your health on a coloured scale from 1 to 10. The higher the reading, the greater the health risk and hence the greater the need to take precautions. On rare occasions, the Air Quality Health Index may be 10+, which means a very high health risk.
More than a number
The Air Quality Health Index is more than just a number - it's a tool that helps you plan a healthy day. Since strenuous activities increase the amount of air you breathe, the Air Quality Health Index can help you decide when to enjoy the benefits of physical activity and when to reduce or reschedule your activity. Find out more on how using the Air Quality Health Index can protect your health.
How is the Air Quality Health Index calculated?
The Air Quality Health Index is calculated based on the relative risks of a combination of common air pollutants which are known to harm human health. These pollutants include:
- Ozone at ground level
- Nitrogen dioxide (NO2); and
- Particulate matter also known as PM2.5/PM10
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