Air Pollution

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Air Pollution

• Ms. Morris

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Overview

• Air Pollution Accumulation of substances in the
  atmosphere that can cause harmful health effects
• Smoke Fog Smog
• Associated with urban settings and smokestack
  industries

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Sources of Air Pollution

• Primary Pollutants Enter atmosphere directly
• Vehicle emissions
• Secondary Pollutants Form in the atmosphere
  after substance is released
• Hole in ozone layer

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Sources of Air Pollution

• Stationary Sources
• Oil Refineries
• Dry Cleaners
• Food Processing Plants
• Gas Stations

• Mobile Sources
• Passenger cars
• Trucks
• Busses
• Motorcycles
• Boats
• Aircrafts

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Air Pollution

• Over half of the pollution is from mobile sources
• Most serious toxic pollutants
• Asbestos
• Benzene
• Mercury
• Vinyl Chloride
• Radionuclides

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Health Effects of Air Pollution

• Respiratory illnesses
• Stresses cardiovascular system forcing heart and
  lungs to work harder
• Speeds up aging process of lungs
• Damages cells in the airways

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Health Effects of Air Pollution

• Damages lungs after minor irritation systems
  disappear
• Bronchial asthma
• Neurological disorders brain damage
• Contributes to development of
• Bronchitis
• Emphysema
• Cancer

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Image www.uh.edu
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Not just humans!

• Plants
• Animals
• Lakes
• Streams

Image www.newsroom.ucr.edu
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Questions

• List four potential health impacts of air
  pollution.
• Compare primary and secondary pollutants.
• Name four serious toxic pollutants.
• Turn in to Ms. Morris by the end of the day (10
  Points).