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Lots of different factors contribute to poor air quality, including vehicle exhaust, industrial emissions and bushfire smoke.
In big cities, the major pollutants are ozone, particles, nitrogen dioxide, carbon monoxide and sulphur dioxide, which can impact on health.
Read more on air quality at Environment NSW website
Read more on a smoke-free Ku-ring-gai
The NSW Air Quality Index at Environment NSW website is updated every hour with new statistics.
The Bureau of Meteorology website also provides air quality warnings in its forecasts.
We can issue clean up, prevention and infringement notices to polluters.
If you’d like to make a complaint, please fill out the online form below or contact us.
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