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:
Dashboard
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.
Latest news
- Occupational lead exposure disproportionately affects Pacific people and workers in deprived areas 28 January 2026
- Non-occupational lead exposure notifications rise in 2024, with paint the leading source 28 January 2026
- NZ vehicle fleet continues to grow, but EV uptake slows 28 November 2025
- Mosquito-borne diseases on the rise again 17 November 2025
