View the latest data for ozone, nitrogen dioxide, visibility, carbon monoxide, sulfur dioxide and airborne particles collected at NSW air quality monitoring sites. Follow the air quality category colours and use the activity guide to protect your health.
Air quality data is updated hourly and a daily air quality forecast is made for the Greater Sydney Metropolitan Region at 4pm each day.
- DPE and NSW EPA are partnering to monitor air quality around the Warringah Freeway Upgrade/Western Harbour Tunnel. For more information see the EPA website.
This includes a monitoring station at Cammeray Park with data on the special projects page, and a network of particle sensors from Wollstonecraft to Middle Harbour, with data on the KOALAs website.
- The Air Program is undergoing an evaluation and we are collecting your feedback for inclusion in the evaluation. We invite you to provide your feedback at our Air Program Evaluation page.
- News: The NSW Government is developing a dedicated air quality website, that presents air quality data and information that is fit-for-purpose, easy-to-understand and works well on desktop and mobile devices.
We invite you to try our first release or find out more.
- Live data is always reported in Standard Time (AEST).