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Dargaville

Dargaville is a rural town nestled along the Northern Wairoa River in the Kaipara District, is home to around 5,200 residents. Like the most urban areas in New Zealand, the main contributors to particulate matter are domestic heating, outdoor burning, industrial and commercial activities and agricultural emissions. 

The Dargaville airshed encompasses the Dargaville township as well as the residential and industrial areas. Council established a permanent monitoring station at the premises of Dargaville Intermediate School at Charlotte Street and started monitoring PM10 and meteorology from August 2024. The site is surrounded by residential areas. PM10 was also monitored in Dargaville at Awakino Road site in 2017, using a mobile monitor. PM10 concentrations in 2017 were similar to council’s other monitoring stations in Whangārei and Marsden Point.  

 

Air quality in this town 

Air quality in Dargaville is expected to vary, with spatial differences and noticeable peak in PM10 concentration in winter due to domestic heating emissions from wood burners. PM10 concentrations recorded in the Dargaville airshed complied with the NES air quality during the monitoring in 2017.

Town Summary
Air quality in this town

Sources of air pollution

Home heating Industrial Outdoor burning Traffic Indoor sources Natural sources
  • Show Hide
    • Sources of PM10 emissions
    • Sources of PM2.5 emissions
    • Sources of NOx emissions
    Source Annual percentage Winter day percentage
    Home heating Home heating {{emissions.annualhome}}% {{emissions.winterhome}}%
    Industrial Industrial {{emissions.annualindustry}}% {{emissions.winterindustry}}%
    Outdoor burning Outdoor burning {{emissions.annualoutdoor}}% {{emissions.winteroutdoor}}%
    Traffic Traffic {{emissions.annualmotor}}% {{emissions.wintermotor}}%
    Relative breakdown
    Annual
    Winter day

    The table shows the proportions of the main sources of PM10, PM2.5 and nitrogen oxides (NOx) in this town from home heating, industrial activities, outdoor burning and traffic.  (Indoor, natural and shipping sources are not included in this breakdown). 

    These values come from 2013 data sourced from MfE’s data service.  Consistent methodology was used to calculate these estimates of PM and NOx emissions, which allows comparison between towns throughout New Zealand.  Regional council or unitary authority published emissions information might differ if they were prepared in a different year or used another method. Contact your regional council or unitary authority for more information about PM and other emissions in your area.

 Sites 1
Monitored sites in Dargaville

Monitored sites in this town can be categorised according to location:

  • Residential: Air monitoring site is in a suburban area with a relatively high population density, but not close to a busy road or industry.
  • Traffic: Air monitoring site is very close to a busy road or intersection.
  • Industry: Air monitoring site is close to industry, including heavy commercial and processing factories.
  • Coastal: Air monitoring site is close to the coast where there are high levels of sea salt in the air.
  • NES: A site monitored for compliance with the National Environmental Standards for Air Quality (NES-AQ).

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