Ground-level ozone concentrations, 2005-2021

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Creative Commons Attribution 4.0 International

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1923
14
Added
13 Oct 2021

This dataset was first added to MfE Data Service on 13 Oct 2021.

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 emissions, petrol fumes, industrial processes solvents, and other human-made sources react in the presence of heat and sunlight. It is the primary component of photochemical smog. Ozone also occurs naturally in the stratosphere, where it protects us from ultraviolet radiation – this ozone occasionally can mix downwards to ground level.

Ozone is a colourless, odourless gas. Exposure to high concentrations of ozone can cause respiratory health problems and is linked to cardiovascular health problems and increased mortality. Those most at risk include people with asthma, children, older adults, and people who are active outdoors, such as outdoor workers. People with certain genetic characteristics and nutrient deficiencies are also at greater risk from ozone exposure. Ozone can also affect sensitive vegetation and ecosystems and can cause damage during the growing season.

More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.

Table ID 106268
Data type Table
Row count 167533
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

carbon_monoxide_dqr.pdf

195
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Document ID23316
File namecarbon_monoxide_dqrpdf.pdf
TypePDF
Size151 KB

Carbon monoxide concentrations, 2004-2020

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Creative Commons Attribution 4.0 International

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1613
7
Added
13 Oct 2021

This dataset was first added to MfE Data Service on 13 Oct 2021.

Carbon monoxide (CO) is a colourless, odourless and tasteless gas. The most common sources of carbon monoxide are from the incomplete combustion of fossil fuels such as fuel used by vehicles, and from wood and coal, commonly burnt in fires for home heating. Other common sources of carbon monoxide are tobacco smoke and indoor gas fires. It also occurs naturally, for example, from volcanoes and wildfires.

Carbon monoxide can affect human health by interfering with the blood’s ability to absorb and circulate oxygen and by aggravating heart conditions. It has a relatively long life in the atmosphere – about three months. This is due to the slow rate at which carbon monoxide oxidises, forming carbon dioxide (a greenhouse gas). Carbon monoxide also has an important role in forming smog.

More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.

Table ID 106251
Data type Table
Row count 1399525
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

nitrogen_dioxide_trend_seasonal_dqr.pdf

183
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Updated
13 Oct 2021

This item was last updated on MfE Data Service on 13 Oct 2021

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Document ID23315
File namenitrogen_dioxide_trend_seasonal_dqrpdf.pdf
TypePDF
Size258 KB

Nitrogen dioxide seasonal trends, 2011-2020

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1575
1
Added
13 Oct 2021

This dataset was first added to MfE Data Service on 13 Oct 2021.

Nitrogen dioxide (NO2) is a gas that is harmful to human health (United States Environmental Protection Agency (US EPA), 2021), ecosystems, and plants (US EPA, 2008). It can be emitted directly into the air but is often formed as a secondary pollutant when nitric oxide (NO) emissions react with other chemicals. It also contributes to the formation of secondary particulate matter (PM) and ozone, which have their own health impacts. In New Zealand, motor vehicles are the main human-made source of nitrogen oxides (NOx) the collective term for NO2 and NO.

Human exposure to high nitrogen dioxide concentrations causes inflammation of the airways and respiratory problems and can trigger asthma attacks. Nitrogen dioxide can cause leaf injury in plants exposed to high levels. It also contributes to forming secondary particulate matter and ozone, which have their own health impacts.

Nitrogen dioxide is a gas primarily formed through burning fossil fuels, mainly by motor vehicles (particularly diesel), but also from industrial emissions. Because nitrogen dioxide concentrations are closely associated with vehicle emissions, it can be used as a proxy for other motor-vehicle pollutants such as benzene, carbon dioxide, and carbon monoxide.

This dataset reports on the seasonal trends assessed for the period 2011-2020.

More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.

Table ID 106247
Data type Table
Row count 34
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

nitrogen_dioxide_trend_annual_dqr.pdf

183
6
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3
Document ID23314
File namenitrogen_dioxide_trend_annual_dqrpdf.pdf
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Size259 KB

Nitrogen dioxide annual trends, 2011-2020

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Creative Commons Attribution 4.0 International

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1626
1
Added
13 Oct 2021

This dataset was first added to MfE Data Service on 13 Oct 2021.

Nitrogen dioxide (NO2) is a gas that is harmful to human health (United States Environmental Protection Agency (US EPA), 2021), ecosystems, and plants (US EPA, 2008). It can be emitted directly into the air but is often formed as a secondary pollutant when nitric oxide (NO) emissions react with other chemicals. It also contributes to the formation of secondary particulate matter (PM) and ozone, which have their own health impacts. In New Zealand, motor vehicles are the main human-made source of nitrogen oxides (NOx) the collective term for NO2 and NO.

Human exposure to high nitrogen dioxide concentrations causes inflammation of the airways and respiratory problems and can trigger asthma attacks. Nitrogen dioxide can cause leaf injury in plants exposed to high levels. It also contributes to forming secondary particulate matter and ozone, which have their own health impacts.

Nitrogen dioxide is a gas primarily formed through burning fossil fuels, mainly by motor vehicles (particularly diesel), but also from industrial emissions. Because nitrogen dioxide concentrations are closely associated with vehicle emissions, it can be used as a proxy for other motor-vehicle pollutants such as benzene, carbon dioxide, and carbon monoxide.

This dataset reports on the annual trends assessed for the period 2011-2020.

More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.

Table ID 106246
Data type Table
Row count 8
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

sulphur_dioxide_trend_seasonal_dqr.pdf

180
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13 Oct 2021

This item was last updated on MfE Data Service on 13 Oct 2021

3
Document ID23313
File namesulphur_dioxide_trend_seasonal_dqrpdf.pdf
TypePDF
Size187 KB

Sulphur dioxide seasonal trends, 2011-2020

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Creative Commons Attribution 4.0 International

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1517
1
Added
13 Oct 2021

This dataset was first added to MfE Data Service on 13 Oct 2021.

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 also produced from industrial processes such as superphosphate fertiliser production and smelting sulphur-containing metal ores. Geothermal and volcanic gases are the main natural sources of sulphur dioxide.

When inhaled, sulphur dioxide is associated with respiratory problems such as bronchitis. It can aggravate the symptoms of asthma and chronic lung disease and cause irritation to eyes. On days with higher sulphur dioxide levels, hospital admissions for cardiac disease and mortality increase. In ecosystems, it can injure vegetation, acidify water and soil, and affect biodiversity.

This dataset reports on the seasonal trends assessed for the period 2011-2020.

More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.

Table ID 106244
Data type Table
Row count 24
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

sulphur_dioxide_trend_annual_dqr.pdf

162
0
Updated
13 Oct 2021

This item was last updated on MfE Data Service on 13 Oct 2021

3
Document ID23312
File namesulphur_dioxide_trend_annual_dqrpdf.pdf
TypePDF
Size187 KB
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