Please be aware that it will only show the data from the start of our monitoring programme for this site. All data is in NZ Standard time, so please allow for daylight saving. When selecting large date ranges please be patient as the result may take time to return all the data required. If requesting more than 6 months' worth of data, please note that the chart will reduce down the intervals of data displayed. If you would like to export any results, please select the menu icon in the top right of the chart to select the format you require.
NOTE: The PM10/PM2.5 concentration shown for each day is the 24 hour average taken from midnight to midnight. The National Environmental Standard for the 24 hour average is 50 µg/m3 for PM10 and 25 µg/m3 for PM2.5.