Air Data

PM10 concentrations are given in micrograms per cubic.

Source:
Regional councils of Northland, Bay of Plenty, Waikato, Hawke's Bay,
Manawatu-Wanganui, Wellington, Canterbury, West Coast, Otago, Southland;
District councils of Marlborough and Tasman; City Council of Nelson; Auckland Council

Source: National Institute of Water and Atmospheric Research

Note: PM2.5 concentrations are given in micrograms per cubic metre of air, or µg/m3.

Source: Regional councils of Wellington, Canterbury; Auckland Council

Greater than 100,000 people.

Average is population weighted average of monitoring sites in cities.

Note: PM10 concentrations are given in micrograms per cubic metre of air, or µg/m3.

Source: Regional councils of Waikato, Wellington, Canterbury, Otago; Auckland Council

OECD countries, 2011

PM10 concentrations are given in micrograms per cubic metre of air, or µg/m3.

Source: World Health Organization

Note that data for Israel and Australia are for 2008
Note that data for Japan and Denmark are for 2010
Note that data for New Zealand and Canada are for 2012

Source: Regional councils of Northland, Bay of Plenty, Waikato, Hawke's Bay, Manawatu-Wanganui, Wellington, Canterbury, West Coast, Otago, Southland; District councils of Marlborough and Tasman; Nelson City Council; Auckland Council

Note: PM10 concentrations are given in micrograms per cubic metre of air, or µg/m3.

Source: Institute of Geological and Nuclear Sciences. Regional councils of Wellington,
Hawke's Bay; Nelson City Council; Marlborough District Council, Otago; Auckland Council

Note: Totals might not sum due to rounding.

Source: Statistics New Zealand

Source: National Institute of Water and Atmospheric Research

Source: Ministry of Transport