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6,447 datasets found
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NZ Airsheds Gazetted
Ministry for the EnvironmentA spatial dataset delineating the extent of New Zealand Gazette airsheds (https://gazette.govt.nz). -
Nitrogen dioxide concentrations: council and unitary authority data, 2004–17
Ministry for the EnvironmentNitrogen dioxide (NO2) is a gas that is harmful to human health, ecosystems, and plants (US EPA, 2008). It can be emitted directly into the air but is often formed as a... -
Sulphur dioxide concentrations, 2008–17
Ministry for the EnvironmentSulphur dioxide (SO2) is a highly reactive gas formed when fuels containing sulphur, such as coal or petrochemical products (including high-sulphur ship fuel), are burned. It is... -
Black carbon concentrations, 2002–17
Ministry for the EnvironmentBlack carbon is a particle, often in the PM2.5 or ultra-fine size range, which is emitted from combustion sources and is commonly known as soot. In New Zealand most black carbon... -
Heavy metal concentrations, 2002–17
Ministry for the EnvironmentInhaling particulate matter (PM) containing heavy metals can cause serious health effects (World Health Organization (WHO), 2013). Airborne arsenic is linked to lung cancers... -
Carbon monoxide concentrations, 1996–17
Ministry for the EnvironmentCarbon monoxide (CO) is a gas formed by the incomplete combustion of fuels, particularly from motor vehicles, from burning wood and coal, and using unflued gas heaters for home... -
Total suspended particulate matter concentrations at Penrose, Auckland, 1965–16
Ministry for the EnvironmentTotal suspended particulate matter (TSP) consists of solid and liquid airborne particles that are smaller than 100 micrometres in diameter. Although, by weight, it is dominated... -
PM10 concentrations, 2006–17
Ministry for the EnvironmentParticulate matter (PM) comprises solid and liquid particles in the air. PM10 particles have a diameter less than 10 micrometres. Coarse particles (2.5–10 micrometres) can be... -
Air pollutant emissions
Ministry for the EnvironmentAn emissions inventory provides information on the amount of key air pollutants that are released into the atmosphere for a given location over a given time period. This enables... -
Natural sources of particulate matter, 2000–16
Ministry for the EnvironmentParticulate matter (PM) is made up of solid and liquid particles in the air. It is grouped according to its size – PM10 is less than 10 micrometres (µm) in diameter; PM2.5 is... -
PM2.5 concentrations, 2008–17
Ministry for the EnvironmentPM2.5 is made up of solid and liquid particles in the air with a diameter of less than 2.5 micrometres. In New Zealand, most PM2.5 in the air results from combustion (burning... -
Benzene concentrations in Hamilton, 2003–16
Ministry for the EnvironmentBenzene is a volatile organic compound (VOC) that is common in the air. Motor vehicles are benzene’s primary emission source (Guerreiro, Foltescu, & de Leeuw, 2014; Weisel,... -
Nitrogen dioxide concentrations: New Zealand Transport Agency data, 2010–16
Ministry for the EnvironmentNitrogen dioxide (NO2) is a gas that is harmful to human health, ecosystems, and plants (US EPA, 2008). It can be emitted directly into the air but is often formed as a... -
Ground-level ozone concentrations, Auckland, 2001–16
Ministry for the EnvironmentGround-level (tropospheric) ozone (O3) exists at a natural background level but is also produced when nitrogen oxides (NOx) and volatile organic compounds from vehicle... -
Health impacts of PM10, 2006 & 2016
Ministry for the EnvironmentPM10 (particulate matter less than 10 micrometres in diameter) comprises solid and liquid particles in the air. PM10 can be inhaled and the largest particles in this size... -
Units: percentage of normal sunshine hours 1990
Ministry for the Environment"Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer... -
Units: percentage of normal sunshine hours 1984
Ministry for the Environment"Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer... -
Units: percentage of normal sunshine hours 2007
Ministry for the Environment"Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer... -
Growing season soil moisture deficit, 1999-2000
Ministry for the EnvironmentSoil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic... -
Growing season soil moisture deficit, 2001-2002
Ministry for the EnvironmentSoil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic...
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