The Tasman District Council measures the amount of PM10 (very fine particulate matter smaller than 10 microns) in the air.

The monitoring sites are located in Richmond Central (Richmond airshed) and a temporary site is located in Motueka (rest of the region airshed).

The National Environmental Standard for Air Quality for PM10 is 50 micrograms per cubic metre (μg/m3).

The PM10 concentrations exceeded the 24-hour concentration of 50 micrograms per cubic metre (μg/m3) on the following dates:

Date PM10 Concentration measured (μg/m3) Extent of PM10 Exceedance (μg/m3) Location
23 May 2020 53 3 Richmond Central
16 June 2020 56 6 Motueka
3 July 2020 51 1 Richmond Central
10 July 2020 54 4 Richmond Central

The total number of exceedances in Richmond for Winter 2020 is 3.

Temporary Monitoring at Motueka Goodman Park has recorded one exceedance of the standard.

Read more about air quality.