The NSW Department of Planning and Environment and NSW Health have created air quality categories to guide you on what activities you can do, based on the air quality in your area.
Air pollution has a significant impact on human health and the economy. It is important to protect your health when air quality is poor by modifying your activities.
Go with the colours to protect your health
Air quality measurements from your local monitoring station are summarised using 5 air quality categories (AQC), rating air quality as 'Good', 'Fair', 'Poor', 'Very Poor' or 'Extremely Poor'.
The five colours of air quality categories (AQC) — green, yellow, orange, red, and darker red—mirror the traffic light signals, representing varying levels of air pollution from good to hazardous, much like the progression from 'go' to 'stop' in traffic. By following the colours as described in the activity guide below, you will be able to understand how current air quality might affect your health.
Sensitive groups
Some people are more sensitive to air pollution than others. Sensitive groups include:
- people with heart or lung conditions, including asthma
- people over the age of 65
- infants and children
- pregnant women and their unborn babies.
The activity guide therefore has different recommendations for sensitive groups for each air quality category. General advice on actions you can take to protect yourself and your health at each colour category is also provided.
Activity guide
The activity guide below has been derived by categorising air quality into colour indicators, based on threshold values for air pollutants’ concentrations and visibility data. Go with the colours and follow the recommended actions to protect your health.
Air quality category | General health advice and recommended actions | |
Sensitive groups including:
| Everyone else | |
Good |
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Fair |
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Poor |
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Very poor |
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Extremely poor |
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