We measure the annual concentrations and proportions of natural and anthropogenic particulate matter 10 micrometres or less in diameter (PM10). PM10 in the air comprises solid particles and liquid droplets from both natural and human-made sources.
PM10 occurs naturally, for example, as sea salt, dust (airborne soil), or pollen. Airborne soil particles, although natural, are also produced by human-made processes such as construction and industrial activities. Natural particulates can make up a large portion of PM10 in some areas.
Research on the health effects of natural particulate matter is inconclusive, and the World Health Organization (WHO) considers all particulate matter of a certain size to be of equal toxicity. Natural particulates are generally in the PM2.5 to PM10 size range, which typically has less harmful health effects than smaller particles.
This dataset relates to the "Natural particulate matter 10 micrometres or less in diameter (PM10)" measure on the Environmental Indicators, Te taiao Aotearoa website.
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|1.||Data quality for PM10 composed of sea salt and soil||203 KB||
|Columns||Variable, Location, Year_s, Data|
|Services||Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed|
|Added||16 Sep 2015|
|Last updated||16 Sep 2015|
|Revisions||6 - Browse all revisions|
|Current revision||Imported on Oct. 15, 2015 from CSV .|