Incident monitoring sites

EPA and VICSES can deploy equipment to monitor air quality near an incident like a fire. Incident sites give us immediate data about impacts to air quality and are used to make decisions about what EPA and other agencies do next.

Air quality

Pollutant concentrations

Standard monitoring sites

EPA has monitoring sites in population centres around Victoria. The air quality where you are might be different to what you see on EPA AirWatch, even if there’s a monitoring site close to you. This is because there are many factors that can affect air quality. For example, wind direction and smoke from wood fires.

Air quality

Pollutant concentrations

Sensor monitoring sites

Sensor sites allow us to get an indication of air quality in more areas but do not provide correct information when humidity is high (eg. during fog). Sensor site information is not displayed on EPA AirWatch when humidity at the site is above 80%. If sensors are not available or showing Poor, Very Poor or Hazardous air quality, please double check the result with a nearby standard site.

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More details

  • How to read the tables

    A dash (-) means we don't monitor for that pollutant at that site

    Not Available (NA) means we usually monitor for that pollutant at that site but the data is not available at the moment

  • Disclaimer

    Data on EPA AirWatch comes directly from our air monitoring stations using various types of monitoring equipment and methods. This data may be adjusted later according to set criteria to account for instrument errors, power interruptions and other technical issues.

    EPA aims to locate our ambient monitoring stations so they give a good representation of the air quality experienced by the public. As most of the Victorian population lives and works close to roads, most of our stations are in population centres next to roads. This can mean we do not always comply with one of the requirements of the Australian Standard for siting (AS 3580.1.1), which specifies that air monitoring stations should be more than 50 metres away from a road. Currently, Footscray is the only EPA air monitoring site that meets this requirement.

    Read more about our National Association of Testing Authorities (NATA) accreditation.

  • Check the air monitoring network status

    Alphington: Monitoring for ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide is offline due to routine maintenance and ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide data is not being collected at this station. EPA expects data to become available on the website from 5pm, 08/04/2020. The air quality forecast for Melbourne is expected to be GOOD. (07 April 2020)

    Box Hill: Monitoring for PM2.5 is offline due to routine maintenance and PM2.5 data is not being collected at this station. EPA expects data to become available on the website from 5pm, 07/04/2020. The air quality forecast for Melbourne is expected to be GOOD. (07 April 2020)

    Brighton: Monitoring for PM2.5 is offline due to routine maintenance and PM2.5 data is not being collected at this station. EPA expects data to become available on the website from 5pm, 07/04/2020. The air quality forecast for Melbourne is expected to be GOOD. (07 April 2020)

    Footscray: Monitoring for nitrogen dioxide is offline due to technical difficulties and nitrogen dioxide data is not being collected at this station. EPA technicians are working to fix the problem. (16 March 2020)

    Geelong: Monitoring for sulfur dioxide is offline due to technical difficulties and sulfur dioxide data is not being collected at this station. EPA technicians are working to fix the problem. (10 March 2020) 

    Altona North air monitoring station will be offline temporarily while the station is relocated nearby. Until the new site is established air monitoring information for Altona North will not be displayed on AirWatch. Air quality information for Footscray and Brooklyn is available on the AirWatch website. (26 June 2019)

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