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Concept细颗粒物

PM2.5

Particulate matter with an aerodynamic diameter of 2.5 micrometers or less. It is one of the core indicators of air quality management, and a portion of it is formed through atmospheric transformation of sulfur dioxide and nitrogen oxides emitted by power generation.

Timeline (last 90 days)

Oct 21

Part of PM2.5 comes from secondary particulate matter formed through atmospheric transformation of sulfur dioxide and nitrogen oxides emitted by power generation.

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Sep 11

A systematic review published in The Lancet Planetary Health in 2019 showed that for every 10 μg/m³ increase in PM2.5, the tuberculosis incidence rate increases by approximately 12%–19%.

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