Environmental Health Indicators

Indicator list

This section gives a full list of our Environmental Health Indicators.

Domain	Topic	Indicator	Frequency of updates
Air quality	Wood and coal fires	Number of households using wood fires for home heating Number of households using coal fires for home heating	Next census (2018)
	Motor vehicles	Number of motor vehicles in New Zealand, by vehicle type and fuel type Number of light vehicles per 1000 population Average age of vehicle fleet	Annual
	Particulate matter	Annual average PM10 levels at monitoring sites Exceedances of the daily national standard for PM10 levels, including maximum PM10 levels	Every 1-2 years
	Other air pollutants	Annual average nitrogen dioxide concentration at monitoring sites Nitrogen dioxide 1-hour maximum levels at monitoring sites Monitoring sites exceeding the WHO daily guideline for sulphur dioxide Monitoring sites exceeding the national environmental standard (one-hour average) for sulphur dioxide Carbon monoxide 8-hour maximum levels at monitored sites	Every 1-2 years
Recreational water quality	Livestock	Number and density of livestock in New Zealand, by type Number and density of dairy cattle in New Zealand, by TA	Annual or as available
	Water-borne diseases related to recreational water	Notifications of campylobacteriosis, cryptosporidiosis and giardiasis (excluding cases who were overseas during incubation period) Notifications of campylobacteriosis, cryptosporidiosis and giardiasis with recreational water as a risk factor	Annual
Drinking-water quality	Access to safe drinking-water	Population with access to bacteriological compliant drinking-water Population with access to protozoal compliant drinking-water	Annual
	Water-borne diseases related to untreated water	Notifications of campylobacteriosis, cryptosporidiosis and giardiasis (excluding cases who were overseas during incubation period) Notifications of campylobacteriosis, cryptosporidiosis and giardiasis with untreated water as a risk factor	Annual
	Access to fluoridated drinking-water	Population with access to fluoridated drinking-water	Annual
	Oral health of children	Percentage of children (5-year-olds and Year 8) who are caries-free, by fluoridation status Mean number of decayed, missing or filled teeth of children, by fluoridation status	Annual
Indoor environment	Home heating	Percentage of households with no form of heating	Next census (2018)
	Health and cold damp houses	Acute rheumatic fever - reported notifications; reported hospitalisation rate	Annual
	Household crowding	Percentage of the population living in crowded households	Next census (2018)
	Health and household crowding	Meningococcal disease hospitalisations in children aged 0-14 years	Annual
	Second-hand smoke exposure	Percentage of the children and non-smoking adults exposed to second-hand smoke in their home	Every few years (as available)
	Health and second-hand smoke	Middle ear infections (otitis media), acute hospitalisations for children aged 0-14 years	Annual
Climate change	Temperature: our changing climate	Number of days above 25°C Number of days below 0°C	Occasional
	Rainfall and drought: our changing climate	Number of days with soil moisture deficit	Occasional
	Monitoring the health effects of climate change	Notifications of cryptosporidiosis and giardiasis Notifications of salmonellosis	Annual
	Energy use	Total energy consumed, by fuel type and sector	Annual
Hazardous substances	Health effects of hazardous substances	Deaths due to hazardous substances exposures Hospitalisations due to hazardous substances exposures Lead absorption notifications Calls to National Poisons Centre Hazardous substances incidents Notifications arising from poisoning from chemical contamination of the environment Hazardous substances notifications Unintentional carbon monoxide poisoning hospitalisations	Annual
UV exposure	UV levels	Monthly UV index at midday (peak and average), at four locations throughout New Zealand	Occasional
	Skin cancer	Number of melanoma cancer registrations Number of melanoma cancer deaths Number of non-melanoma skin cancer deaths	Annual
	Vitamin D deficiency	Proportion of adults who have vitamin D deficiency	Occasional (as available)
Population	Population size and change	Population size Population density Population change	Next census (2018)
Border Health	Border Health	Exotic notifiable diseases in New Zealand of priority border health concern High-risk human disease competent vectors/pests present at the New Zealand border Human-disease competent vectors/pests introduced to New Zealand Overseas infectious diseases of priority concern to New Zealand	Annual (as available)