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Tauranga

Tauranga has the Bay of Plenty's highest urban population. It is mainly residential, with some commercial and industrial areas. The largest industrial area is centred around the Port of Tauranga at Mt Maunganui and Sulphur Point. Monitoring sites in this area look at a range of contaminants, and there is one active long-term PM10 monitoring site in Otumoetai, shown on the map to the left.

Bay of Plenty Regional Council monitors air quality at a residential site on the grounds of Otumoetai Primary School. The school uses the site and information collected as a teaching aid. Historically monitoring has been undertaken at other residential, traffic and industrial areas to understand air quality patterns comply with national environmental standards.

Town Summary
Air quality in this town

Tauranga's air quality varies between locations. PM10 at the Otumoetai monitoring site rises slightly in winter due to domestic heating. Summer peaks are recorded here due to its proximity to the coast and exposure to sea salt. Traffic also plays a part. Daily averages at this site are well below the ambient national environmental standards.

  • Population
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  • Number of households
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This information is collated from 2013 Census information. The census is the official count of how many people and dwellings there are in New Zealand. Census information is collated every five years.

Sources of air pollution

Home heating Industrial Outdoor burning Traffic Indoor sources Natural sources
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    Sources of PM10 emissions

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

    The table shows the proportions of the main sources of PM10 in this town from home heating, industrial activities, outdoor burning and traffic.  (Indoor sources and natural sources of air pollutants 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 PM10 emissions, which allows comparison between towns throughout New Zealand.  Some regional council published emissions information might differ if they were prepared in a different year or used another method. Contact your regional council for more information about PM10 and other emissions.

Seasonal variation

  • Show wind speed
  • Show temperature
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Concentration (µg/m3)


Wind speed (km/h)


Air temperature (℃)

What is this graph showing me?

The graph shows the monthly average PM10 concentration at one representative site in this town for the year selected. In many towns in New Zealand, PM10 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 Tauranga

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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