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Annual average PM10 concentration in New Zealand urban centres

By selected locations, 1997–2012, micrograms per cubic metre of air

05101520253035Annual average PM10 concentration in New Zealand urban centresBy selected locations, 1997–2012, micrograms per cubic metre of airProvider: Ministry for the Environment199720002003200620092012DunedinSt Albans, ChristchurchTakapuna, AucklandHamiltonUpper Hutt