nitrogen_dioxide_nzta_dqr.pdf

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13 Oct 2021

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nitrogen_dioxide_dqr.pdf

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nitrogen_dioxide_nzta_10yr_trend_dqr.pdf

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nitrogen_dioxide_nzta_6yr_trend_dqr.pdf

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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 trends assessed for the period 2015-2020.

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 106275
Data type Table
Row count 114
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

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 106274
Data type Table
Row count 110
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

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.

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 106273
Data type Table
Row count 20340
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Nitrogen dioxide concentrations, 2004-2021

138
4
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.

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 106272
Data type Table
Row count 1152225
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Sulphur dioxide concentrations, 2004-2021

136
2
Added
12 Oct 2021

This dataset was first added to MfE Data Service on 12 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.

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 106271
Data type Table
Row count 857517
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Particulate matter 2.5 concentrations, 2006-2021

131
2
Added
13 Oct 2021

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

Particulate matter (PM) comprises solid and liquid particles in the air. PM2.5 particles have a diameter less than 2.5 micrometres. They can be inhaled and deposited deep in the lungs where air-gas exchange occurs.

Short- and long-term exposure to PM2.5, even at low levels, is linked to respiratory and cardiovascular disease, and increased risk of premature death, especially in vulnerable people (the young, the elderly, and people with respiratory illness). Emerging evidence points to possible links with cognitive function, neuro-development, and diabetes.

In New Zealand, most PM2.5 in the air results from combustion (for example, burning wood for home heating), and to a lesser extent, from reactions in the atmosphere (secondary PM), and from naturally occurring sea salt.

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 106270
Data type Table
Row count 60549
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed
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