10 PM-2.5 Micron size (PM10), PM is found on the streets or factories that have so much phun. If a unit small considers the PM 2.5 Micron size or Micron
smaller (PM2.5) found in the smog (smoke) particles of this size can come from a direct source (Primary Particles), such as from burns or from a combination of Ka sathi emissions from power plants or from car exhaust, and reaction with the air. (Secondary Particle) by 2 PM.Secondary Particles, mainly 5 types
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