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• A major source of air pollution results from the burning of fossil
fuels. Vehicle and factory emissions are common sources of this
type of air pollution.
• Air pollution contributes to respiratory problems such as
asthma, lung cancer, chronic bronchitis, and other lung
ailments.
• Nitrogen and sulfur oxides in the air contribute to acid rain,
which is a form of precipitation with a lower (more acidic) pH
than normal.
• Acid rain harms forests, species that live in water bodies, and
degrades outdoor statues, monuments, and buildings.
 Two categories
o Primary Air Pollutant
Harmful substance that is
emitted directly into the
atmosphere
o Secondary Air Pollutant
Harmful substance formed in the
atmosphere when a primary air
pollutant reacts with substances
normally found in the
atmosphere or with other air
pollutants
o Primary air pollutants (PAPs) are those that are
emitted directly into the air from sources.
Examples – Sulphur dioxide, nitrogen oxides,
carbon monoxide, volatile organic matter,
particulate matters, lead, ammonia etc.
o 5 Major Outdoor Air Pollutants
Ozone (O3)
Nitrogen Oxides (NOx)
Carbon Monoxide (CO)
Sulfur Dioxide (SO2)
Particulate Matter (PM10 and PM2.5)
o Secondary pollutants harm the
environment by making acid rain and
smog. Acid rain can dissolve hard
materials (rocks, buildings, metals). Smog
poses a human health hazard.
Greenhouse gases can result in global
warming, which can change many areas
around the world.
o 5 Major Outdoor Air Pollutants
Sulfur trioxide (SO3)
Nitric acid (HNO3)
Sulfuric acid (H2SO4)
hydrogen peroxide (H2O2)
SULFATE ION (SO4)
Trioxygen (O3)
 Short-term exposure to outdoor air pollutants can cause:
Aggravated asthma
Irregular heartbeat
Respiratory symptoms like coughing, wheezing or
difficulty breathing
 Long-term exposure to outdoor air pollutants can cause:
Development of asthma
Nonfatal heart attacks
Decreased lung function
Respiratory infections
Premature death in people with heart or lung disease
Transportation
Fuel Combustion
Industrial
processes
Miscellaneous
Nuclear plants
pesticide spraying
 Using public transports
 Turn off the lights when not in use
 Recycle and Reuse
 No to plastic bags
 Reduction of forest fires and smoking
 Use of fans instead of Air Conditioner
 Use filters for chimneys
 Avoid usage of crackers
 Avoid using of products with chemicals
 Implement Afforestation
₹1,53,060
Air Pollution PPT

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Air Pollution PPT

  • 1.
  • 2. • A major source of air pollution results from the burning of fossil fuels. Vehicle and factory emissions are common sources of this type of air pollution. • Air pollution contributes to respiratory problems such as asthma, lung cancer, chronic bronchitis, and other lung ailments. • Nitrogen and sulfur oxides in the air contribute to acid rain, which is a form of precipitation with a lower (more acidic) pH than normal. • Acid rain harms forests, species that live in water bodies, and degrades outdoor statues, monuments, and buildings.
  • 3.  Two categories o Primary Air Pollutant Harmful substance that is emitted directly into the atmosphere o Secondary Air Pollutant Harmful substance formed in the atmosphere when a primary air pollutant reacts with substances normally found in the atmosphere or with other air pollutants
  • 4. o Primary air pollutants (PAPs) are those that are emitted directly into the air from sources. Examples – Sulphur dioxide, nitrogen oxides, carbon monoxide, volatile organic matter, particulate matters, lead, ammonia etc. o 5 Major Outdoor Air Pollutants Ozone (O3) Nitrogen Oxides (NOx) Carbon Monoxide (CO) Sulfur Dioxide (SO2) Particulate Matter (PM10 and PM2.5)
  • 5. o Secondary pollutants harm the environment by making acid rain and smog. Acid rain can dissolve hard materials (rocks, buildings, metals). Smog poses a human health hazard. Greenhouse gases can result in global warming, which can change many areas around the world. o 5 Major Outdoor Air Pollutants Sulfur trioxide (SO3) Nitric acid (HNO3) Sulfuric acid (H2SO4) hydrogen peroxide (H2O2) SULFATE ION (SO4) Trioxygen (O3)
  • 6.  Short-term exposure to outdoor air pollutants can cause: Aggravated asthma Irregular heartbeat Respiratory symptoms like coughing, wheezing or difficulty breathing  Long-term exposure to outdoor air pollutants can cause: Development of asthma Nonfatal heart attacks Decreased lung function Respiratory infections Premature death in people with heart or lung disease
  • 8.  Using public transports  Turn off the lights when not in use  Recycle and Reuse  No to plastic bags  Reduction of forest fires and smoking  Use of fans instead of Air Conditioner  Use filters for chimneys  Avoid usage of crackers  Avoid using of products with chemicals  Implement Afforestation