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This dataset was first added to MfE Data Service on 16 Oct 2018.
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 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. 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.
Human exposure to high nitrogen dioxide concentrations causes inflammation of the airways and respiratory problems, particularly asthma. Nitrogen dioxide causes leaf injury in plants exposed to high levels. It also contributes to forming secondary particulate matter and ozone, which have their own health impacts.
We report on observed nitrogen dioxide concentrations from 13 regional council and unitary authority monitoring sites. Council and unitary authority data are measured using regulatory-compliant monitors that can be directly compared with health guidelines.
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.
Creative Commons Attribution 4.0 International
You may use this work for commercial purposes.
You must attribute the creator in your own works.
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1. | Data quality for nitrogen dioxide concentrations council and unitary authority data 200417 | 489 KB |
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Information | |
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Category | Environmental Reporting > Air > Nitrogen dioxide |
Tags | Our air 2018 |
Metadata | Dublin Core |
Technical Details | |
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Table ID | 98420 |
Data type | Table |
Row count | 1291189 |
Columns | site, datetime, council, no2, complete_for_trend, complete_for_mean, complete_year |
Services | Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed |
History | |
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Added | 16 Oct 2018 |
Revisions | 5 - Browse all revisions |
Current revision | Imported on Oct. 16, 2018 from CSV . |