Air quality forecasts
Air quality readings are updated hourly and a daily air quality forecast is made for the Greater Sydney Metropolitan Region at 4pm each day.
New South Wales is now reporting hourly averages for PM10 and PM2.5.
Check current air qualityAir pollution and your health
Air pollution may be harmful to human health and the environment. It can come from natural sources such as bush fires, dust storms, sea salt and pollen. It also comes from people driving cars and industrial activities such as mining, oil refining or power generation.
How we monitor air quality
Air quality is monitored through a network of monitoring stations across the state.