During the period monitored, PM10 concentrations were typically well below the daily guideline, with only one exceedance in September 2009 as a result of the Australian dust storm. The main source of poor air quality during winter is from home heating.
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Population{{summary.population}}
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Number of households{{summary.households}}
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.
Seasonal variation
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Concentration (µg/m3) |
Wind speed (km/h) |
Air temperature (℃) |