Figure 5.1: Relative contribution of sources of particles within New Zealand

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Whakatane: Domestic heating 53%, motor vehicles 11%, industry 34%, waste burning 2%.

Auckland: Domestic fuel combustion 66%, motor vehicles 7%, industry 24%, other domestic sources 1%, other mobile sources 2%.

Hamilton: Domestic heating 90%, motor vehicles 9%, industry (1997) 1%.

Taupo: Industry (1997) 69%, domestic heating 30%, motor vehicles (1997) 1%.

Bay of Plenty: Transport 17%, burn-offs 12%, residential/commercial 40%, industrial 31%.

Taranaki: Domestic heating 55%, motor vehicles 29%, industry 16%.

Gisborne: Industry 44%, burn-offs 28%, area 20%, transport 8%.

Wellington: Domestic and commercial combustion 61%, motor vehicles 12%, industry 20%, outdoor burning/lawn mowing 2%, other mobile sources 5%.

Nelson: Domestic heating 78%, motor vehicles 4%, industry 14%, outdoor burning 11%.

Christchurch: Domestic heating 78%, motor vehicles 12%, industry 10%.

Timaru: Domestic heating 91%, motor vehicles 6%, industry 3%.

Otago: Domestic 61%, mobile 2%, industry 37%.