This information is updated with information calculated on data readings averaged 1 hour for ozone and nitrogen dioxide, over 8 hours for carbon monoxide and over 24 hours for particulates.
Detailed information on the Air Quality Index and on the calculation of the index.
Latest Hourly Readings
Latest Daily Readings
All graphs powered by Socrata
The displayed graph time period can be selected by using the cursor arrow on the grey band area at the bottom of the graph. Click and drag the cursor on the grey area to display the desired display period.
The above graph provides air quality data associated with each data point which can be displayed by placing the cursor arrow on the data point.
Graph Legend: CO = carbon monoxide, NO2 = nitrogen dioxide, O3 = ozone, PM10 = particulate matter less than 10 microns, PM2.5 = particulate matter less than 2.5 microns.
Whole air quality graphs for each station can be deactivated by clicking on the station name at the bottom legend. Click on the station name again to re-display the graph.
The Health Protection Service seeks feedback to further develop the site.
Please provide suggestions, comments by email: firstname.lastname@example.org, Phone: (02) 6205 1700, Fax: (02) 6205 1705.
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).