Ruakaka

The Ruakākā township is within the Marsden Point airshed. The main contributors to air pollution in the Marsden Point airshed originate from industrial discharge, home heating, backyard burning in residential areas and agricultural emissions.

Marsden Point encompasses One Tree Point, Marsden Cove and Ruakākā communities as well as an engineered timber (LVL) plant and NorthPort on the southern side of the Whangārei Harbour. The monitoring site in the Marsden Point airshed is located on Peter Snell Road at Bream Bay College, Ruakākā. The site is near Marsden Point Road, rural farmland and residential areas. Council monitors PM₁₀ at this site. The main source of air pollution originates from industrial discharge, home heating, backyard burning in residential areas and agricultural emissions.

Town Summary

Air quality in this town

To date, particulate matter (PM₁₀) concentration monitored in the Marsden Point airshed has complied with the National Environmental Standards for air quality (NESAQ). Sulphur dioxide (SO₂) concentration was also previously monitored in the Whangārei Heads area and concentrations recorded were well below the NESAQ.

Sources of air pollution

Home heating Industrial Outdoor burning Traffic Indoor sources Natural sources

In this town, where do emissions come from?

The split between home heating, industrial, outdoor burning and traffic sources

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Sources of PM₁₀ emissions
Sources of PM_2.5 emissions
Sources of NOx emissions

Source	Annual percentage	Winter day percentage
Home heating	{{emissions.annualhome}}%	{{emissions.winterhome}}%
Industrial	{{emissions.annualindustry}}%	{{emissions.winterindustry}}%
Outdoor burning	{{emissions.annualoutdoor}}%	{{emissions.winteroutdoor}}%
Traffic	{{emissions.annualmotor}}%	{{emissions.wintermotor}}%

Relative breakdown

Annual

Winter day

The table shows the proportions of the main sources of PM₁₀, PM_2.5 and nitrogen oxides (NO_x) 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 NO_x 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.

Seasonal variation

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PM10

PM2.5

Wind speed (km/h)

Air temperature (℃)

What is this graph showing me?

The graph shows the monthly average PM concentrations at one representative site in this town for the year selected. In many towns in New Zealand, PM peaks in the winter when air temperatures and wind speeds are lowest as more people heat their homes during colder weather, and still conditions mean that there is no wind to disperse the air pollutants.

Sites 1

Monitored sites in Ruakaka

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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No sites found.

Ruakaka

Sources of air pollution

In this town, where do emissions come from?

Seasonal variation

What is this graph showing me?

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