Particulate matter 2.5 annual trends, 2011-2020

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Creative Commons Attribution 4.0 International

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1
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.

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.

License

Creative Commons Attribution 4.0 International

You may use this work for commercial purposes.

You must attribute the creator in your own works.

Technical Details
Table ID 106241
Data type Table
Row count 8
Columns field_1, site, pollutant, period_end, period_start, slope_percent, p, intercept, slope, lower, upper, likelihood, significance, trend_type, airshed, lat, long
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed
History
Added 13 Oct 2021
Revisions 1 - Browse all revisions
Current revision Imported on Oct. 10, 2021 from CSV .