This report presents the results of air quality monitoring in Victoria and assesses them against the requirements of the Ambient Air Quality National Environment Protection Measure (AAQ NEPM). EPA also produces an annual air quality summary and data tables on its website: www.epa.vic.gov.au/air/monitoring.Victoria’s air quality in 2010 was generally good. The major impacts on Victoria’s air quality during the year were associated with particles from fire, local dust and urban emissions.