Environmental issues

Air quality

Air quality index (AQI) values - updated hourly


There is currently increased bushfire activity in many parts of New South Wales. It is anticipated that during this period, visibility and air quality alerts may be raised. For more information go to Current Fires and Incidents on the NSW Rural Fire Service web site.





For more detailed information see the table of AQI values.

Subscribe to AQI daily updates.

Understand how the AQI is calculated.

This information is also available by calling the NSW OEH Environment Line: 131 555 (local call cost throughout NSW) or (02) 9995 5555 (if calling from outside NSW).

Climate and Atmospheric Science is a NATA accredited facility (Accreditation number:  14209)

Disclaimer: The data used in the compilation of this page have undergone only preliminary quality assurance checks. These data may require modification during final stages of validation as a result of calibration changes, power failures, instrument failures etc.

Australian Standard AS/NZS 3580.1.1:2007 Methods for sampling and analysis of ambient air - Guide to siting air monitoring equipment 


Non-conforming sites  Reason
Rozelle clear sky angle is < 120o, trees within 20 metres west of monitoring site
Chullora clear sky angle is < 120o, trees within 20 metres north-east and east of monitoring site
Lindfield clear sky angle is < 120o, trees within 20 metres north and south-west of monitoring site
Page last updated: 14 October 2014