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Fine Particulate Matter Details
Abbreviation
PM2.5
What is it?
Tiny (invisible) airborne specks of solid or liquid material (e.g., dust & soot). It is generated by natural sources (e.g. wind-blown dust and forest fires), and through fuel burning (especially fossil fuels and wood).
What does it do?
Causes and aggravates a variety of human cardiovascular ailments. It also contributes to haze.