This presentation is about the worst situation of air pollution in Bangladesh.

1. Presented by
D.M.Sadiquzzaman

2. At a glance air pollution
• Air pollution is a mixture of solid particles and gases in the
air
• Car emissions, chemicals from factories, dust, pollen and mold
spores are the reasons.
• Some air pollutants are poisonous. Inhaling them can increase
the chance you'll have health problems. People with heart or
lung disease, older adults and children are at greater risk from
air pollution. Bar chart

3. Bangladesh is at risk or not?
• Bangladesh has been named the world's most polluted
country while Dhaka has emerged as the second most
polluted city in the World Air Quality Report 2020.
• PM2.5 concentrations in Bangladesh was 77.1mcg/m3
times above WHO exposure recommendation.
• Despite various government policies to address the
air quality has fallen from where it was three years ago.

4. What about other countries?(South Asia)

5. Sources of air pollution
Dust Waste
burning
Industries Domestic
cooking
Transport Diesel
generator
Pie chart

6. Industries
45%
waste burning
17%
Dust
8%
diesel generator
9%
Transport
14%
domestic cooking
7%
Industries
waste burning
Dust
diesel generator
Transport
domestic cooking

7. Effects
Long-term health effects from air pollution include heart
disease, lung cancer, and respiratory diseases such
as emphysema. Air pollution can also cause long-term damage
to people's nerves, brain, kidneys, liver, and other organs.
Some scientists suspect air pollutants cause birth defects.
Nearly 2.5 million people die worldwide each year from the
effects of outdoor or indoor air pollution.

8. Remedies
₋ Taking public transportation instead of driving a car
₋ Avoiding aerosol cans
₋ recycling yard trimmings instead of burning them, etc.

9. THE END