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:
Hospitalisations, hazardous drinking, motor vehicle crashes, alcohol outlets Alcohol-related harm
Overseas infectious diseases, order health NZ, high-risk pests caught, exotic mosquitoes established Border health
Household crowding, second-hand smoke, cold and damp homes, health impacts Indoor environment
Population groups more at risk from environmental hazards, Social vulnerability indicators for natural hazards and pandemics Population vulnerability
Motor vehicles, transport modes used, unmet GP need from lack of transport, road traffic injuries, health burden of transport Transport
Ultraviolet (UV) levels, melanoma, non-melanoma skin cancer, vitamin D deficiency UV exposure
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.
- Notification rates of waterborne diseases show no major changes from previous year 21 February 2024
- Active transport rates to and from school show no significant change 19 February 2024
- Lower respiratory tract infection hospitalisations in 0-4 year olds increase to 9968 in 2022, up from 9415 in 2021 31 January 2024
- There were 3,116 registrations of melanoma in New Zealand in 2022 26 January 2024