Smog
Smog is a problem in most large cities. It is caused by emissions from industry, motor vehicles, domestic wood combustion and other sources, accumulating under certain meteorological conditions. EPA has developed a smog alert system to forecast smog days
Smog alerts
This page contains information about the causes of smog during summer and winter as well as .
Air quality summary
Friday 4 July 2008: Summary for the 24 hours to 3 PM: Good to Very Good air quality reported at air monitoring sites.
Forecast: GOOD air quality is expected in Melbourne tomorrow [Saturday]