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:
Regional data
Latest news
- EHINZ ceases on 18 December 2026 29 September 2026
- Alcohol-attributable hospitalisations increased in 2024 28 September 2026
- New report highlights increase in alcohol-attributable deaths 28 September 2026
- Energy consumption in New Zealand decreased slightly in 2024 2 September 2026
Annual key findings
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Climate ChangeMost 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.
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Indoor EnvironmentMaternal smoking decreased over the past decade, with Māori rates down 12 percentage points.
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Water qualityThe percentage of New Zealanders with access to registered and/or fluoridated drinking water supplies remained the same in the decade between 2011 and 2021.
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Air QualityWHO air quality guidelines were exceeded at most stations monitoring nitrogen dioxide (NO2) and fine particulate matter (PM2.5) in 2020.
