Air quality bulletins
EPA measures a range of pollutants at each of its monitoring stations and provides air quality bulletins that aim to display air quality data in a meaningful form. This section describes the bulletins and how the information in them is calculated.
Hourly air quality bulletins 
This bulletin displays the latest air quality data for Victoria.
24 hour air quality summary
This page is a summary of air quality over the preceding 24 hours.
Weekly air quality summary
This page is a summary of air quality over the preceding 7 days.
About air quality bulletins
This page contains information about air quality standards and categories, and how an air monitoring station summary is determined.
Air quality index
EPA reports air quality measurements as an air quality index. The lower the index is, the better the quality of our air. This page describes how the index is calculated.
Air monitoring stations
View a map of the Port Phillip Bay region and the location of the EPA air monitoring stations.
Air quality summary
Monday 23 November 2009: Summary for the 24 hours to 9 AM: VERY GOOD air quality in Melbourne and Geelong, and GOOD air quality in Latrobe Valley.
Forecast: GOOD to VERY GOOD air quality is expected in Melbourne today [Monday]