Northland Regional Council (council) monitor particulate matter concentrations less than 10 micrometres (PM10) adjacent to unsealed roads. Monitoring is undertaken annually during the summer months. Results are reported to district councils, the Northland District Health Board (NDHB) and interested parties.
This report is a summary of unsealed road PM10 monitoring results obtained between 2013 and 2020.
Published: 23 Jul 2021