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:
Annual key findings
Climate ChangeMost years since 2010 had more hot and fewer cold days compared to the baseline. Extreme rainfall in 2022 affected the same regions as Cyclone Gabrielle in 2023.
Indoor EnvironmentMaternal smoking decreased over the past decade, with Māori rates down 10 percentage points. Census data is limited for heating, crowding and second-hand smoke exposure.
Water qualityThe percentage of New Zealanders with access to registered and/or fluoridated drinking water has not changed in the past decade.
Air QualityWHO air quality guidelines were exceeded at most stations monitoring nitrogen dioxide (NO2) and fine particulate matter (PM2.5) in 2020.
- Traffic injury mortality rates are increasing but remain lower than historical highs 30 August 2023
- Carbon monoxide levels are low, but not well-monitored 28 June 2023
- Energy use has not returned to pre-COVID levels 19 June 2023
- More than 40% of light vehicles in NZ are at least 15 years old 31 May 2023
Our tool for exploring geographic health data on Healthspace website will retire soon.