Дані про якість повітря надано: the World Meteorological Organization - surface synoptic observations (WMO-SYNOP) (worldweather.wmo.int) and Auckland Council - Kaunihera Taiao ki Waitaha (aucklandcouncil.govt.nz) and New Zealand - Auckland Council (aucklandcouncil.govt.nz) and LAWA - Land, Air, Water Aotearoa (lawa.org.nz)