Air Pollution

Impact

• It can cause 10-15 times more contaminants in human body
  • we breathe air 24x7

Air Pollutants

• SPM
• lead (Pb)
  • burning of lubricants
• Silica (silicosis)
  • mining
• CFC’s / HCFC’s
• CO / CO₂ / fly ash
• Benzene / benzopyrene
• As
• NO_x / SO_x / CO_x

SMOG

• combⁿ of Smoke & Fog
• Types of SMOG
  • Sulphurous Smog
  • Photochemical Smog

Ozone Layer Depletion

• Stratospheric Ozone
• Vienna Convention
• Montreal Protocol
• Kigali Amendment 2017