public health

1. Public Health
Air pollution
Raden Arga Sakti Y
Reza Mukhtamar
Siti Rofi’ah
Rifda Zulvia

2. What is air pollution
The result of emission into the air of
hazardous substances at a rate that
exceeds the capacity of natural
processes in the atmosphere to
convert, deposit, or dilute them…

3. Factors that affect air pollution
• Emissions (traffic, industrial, domestic)
• Geography (terrain)
• Weather conditions (rain, winds, humidity)
• Season
• Time of day
• Population density
• Indoor vs outdoor

4. Types of air pollution
• Individual pollutants
• Reducing pollution (SO2)
– Acid rain (fog)
– Corrosive, eroding
• Photochemical pollution
– Aldehydes, electrophilic HCs
– Oxidative, carcinogenic?
• Mixtures and complex patterns

5. Sources of combustion
• Tobacco
• Power plants
• Incinerators
• Automobiles
• Industry

6. Outdoor air pollution
Beijing
Delhi

7. Outdoor air pollution
Mexico City
Santiago

8. Indoor pollutants
• Non-specific symptoms
• Household vs work space
• Sick building syndrome (20% exposed)
– Cigarette smoke, combustion products
– Organic offgasing (glue, fabrics, furnishings)
– Biological agents (infections, allergens)
– Additional factors (stress, fatigue, diet,
alcohol)

9. Indoor air pollution: Poor countries

10. Health effects of particulate pollutants
• Eye irritation
• Respiratory tract infection
• Exacerbation of asthma
• Bronchial irritation
• Heart disease
• Possibly cancer
• Elevated hospital admissions, mortality
• Causation not fully understood

12. •Ride your bike
•Tell your friends and family about pollution
•Make sure your parents get pollution checks
on their cars
•Ride the school bus

13. •Learn more; stay up to date
•Join a group to stop pollution
•Encourage your parents to carpool to
work
•Switch off lights, fan, heat, etc. when
you leave the room

15. Thanks For Attention