The main source of PM10 in Alexandra is from domestic heating appliances. PM10 concentrations peak during winter mornings and evenings, times of the day when it is coldest, and when there is little to no wind. Daily PM10 concentrations regularly exceed the national guidelines from May through August but are quite low during the rest of the year.
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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 (℃) |