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Environmental Health Intelligence NZ (EHINZ) will cease its surveillance of New Zealand's environmental health on 18 December. Webpages will not be updated after that date.

Future enquiries should be addressed to either Dr Kristie Carter or Dr Greg Martin at the Public Health Agency, Ministry of Health.

Intelligence for decisions

Environmental Health Intelligence NZ provides information and intelligence on how the environment affects the health of Aotearoa New Zealand's population. Explore our domains:

Wood and coal fires, vehicles, air pollutants, health impacts Air quality
Te kounga o te āngi
Hospitalisations, hazardous drinking, motor vehicle crashes, alcohol outlets Alcohol-related harm
Pānga waipiro
Overseas infectious diseases, order health NZ, high-risk pests caught, exotic mosquitoes established Border health
Uruora
Children's environmental health indicators Children
Ngā Tamariki
Changes in temperature, rainfall and drought, and health impacts Climate change
Āhuarangi kē
Injuries and diseases from exposure to hazardous substances Hazardous substances
Matū mōrearea
Household crowding, second-hand smoke, cold and damp homes, health impacts Indoor environment
Rō whare
Māori health
Hauora
Population groups more at risk from environmental hazards, Social vulnerability indicators for natural hazards and pandemics Population vulnerability
Taupori whakaraerae
Motor vehicles, transport modes used, unmet GP need from lack of transport, road traffic injuries, health burden of transport Transport
Tū waka
Ultraviolet (UV) levels, melanoma, non-melanoma skin cancer, vitamin D deficiency UV exposure
Kiri rārā
Suitability for swimming, access to safe drinking water, waterborne diseases and other water-related topics Water
Wai

Regional data

View an interactive regional map and dashboard.

Latest news

Annual key findings

  • Climate Change
    Most years since 2010 had more hot and fewer cold days than the baseline. Extreme rainfall in 2022 affected the same regions as Cyclone Gabrielle in 2023.
  • Indoor Environment
    Maternal smoking decreased over the past decade, with Māori rates down 12 percentage points.
  • Water quality
    The percentage of New Zealanders with access to registered and/or fluoridated drinking water supplies remained the same in the decade between 2011 and 2021.
  • Air Quality
    WHO air quality guidelines were exceeded at most stations monitoring nitrogen dioxide (NO2) and fine particulate matter (PM2.5) in 2020.