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  • NZ Airsheds Gazetted

    Ministry for the Environment
    A spatial dataset delineating the extent of New Zealand Gazette airsheds (https://gazette.govt.nz).
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
    • KML
    • DWG
    • PDF
  • Nitrogen dioxide concentrations: council and unitary authority data, 2004–17

    Ministry for the Environment
    Nitrogen 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Sulphur dioxide concentrations, 2008–17

    Ministry for the Environment
    Sulphur 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Black carbon concentrations, 2002–17

    Ministry for the Environment
    Black 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Heavy metal concentrations, 2002–17

    Ministry for the Environment
    Inhaling particulate matter (PM) containing heavy metals can cause serious health effects (World Health Organization (WHO), 2013). Airborne arsenic is linked to lung cancers...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Carbon monoxide concentrations, 1996–17

    Ministry for the Environment
    Carbon 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Total suspended particulate matter concentrations at Penrose, Auckland, 1965–16

    Ministry for the Environment
    Total 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • PM10 concentrations, 2006–17

    Ministry for the Environment
    Particulate 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Air pollutant emissions

    Ministry for the Environment
    An 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Natural sources of particulate matter, 2000–16

    Ministry for the Environment
    Particulate 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • PM2.5 concentrations, 2008–17

    Ministry for the Environment
    PM2.5 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Benzene concentrations in Hamilton, 2003–16

    Ministry for the Environment
    Benzene 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,...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Nitrogen dioxide concentrations: New Zealand Transport Agency data, 2010–16

    Ministry for the Environment
    Nitrogen 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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Ground-level ozone concentrations, Auckland, 2001–16

    Ministry for the Environment
    Ground-level (tropospheric) ozone (O3) exists at a natural background level but is also produced when nitrogen oxides (NOx) and volatile organic compounds from vehicle...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • Health impacts of PM10, 2006 & 2016

    Ministry for the Environment
    PM10 (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...
    • SHP
    • MapInfo File
    • CSV
    • GPKG
    • FileGDB
  • 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...
    • GTiff
    • AAIGrid
    • KEA
    • PDF
  • 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...
    • GTiff
    • AAIGrid
    • KEA
    • PDF
  • 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...
    • GTiff
    • AAIGrid
    • KEA
    • PDF
  • Growing season soil moisture deficit, 1999-2000

    Ministry for the Environment
    Soil 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...
    • GTiff
    • AAIGrid
    • KEA
    • PDF
  • Growing season soil moisture deficit, 2001-2002

    Ministry for the Environment
    Soil 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...
    • GTiff
    • AAIGrid
    • KEA
    • PDF
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