This information is updated with information averaged 1 hour for ozone and nitrogen dioxide, over 8 hours for carbon monoxide and over 24 hours for particulates. These values are converted to Air Quality Index values for comparison and analysis.
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Disclaimer: The data available on this page has only undergone limited quality assurance procedures and may require further modification and validation due to instrument calibration, power failure, etc. Gaps in the data indicate a pollutant is not measured at that site, an instrument was undergoing calibration or not enough data was collected in that time period.
All data on this site is shown in Australian Eastern Standard Time (AEST) and may appear to have a one hour delay during daylight saving time (DST).