Tag Archives: PM2.5

Air Pollution – Particulate Matter

Fine Particles, Particulate Matter 2.5: Fine particulate matter (PM2.5) is an air pollutant that is a concern for people’s health when levels in air are high. PM2.5 are tiny particles in the air that reduce visibility and cause the air to appear hazy when levels are elevated. Outdoor PM2.5 levels are most likely to be elevated on days with little

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