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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
Particulate_matter_sampler entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-11 and was most recently seen on 2026-04-11.
A particulate matter sampler is an instrument for measuring particulates suspended in air.
Particulate matter (PM) contains a mixture of solid particles and liquid droplets. It can include both inorganic materials and organic materials.
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