Current and forecast air quality

Air quality readings are updated hourly and a daily air quality forecast is made for the Greater Sydney Metropolitan Region at 4pm each day.

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.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).