Air Pollution

1. Air Pollution

2. DEFINITION
• occurs when gases, dust particles, fumes (or smoke) or
odor are introduced into the atmosphere in a way that
makes it harmful to humans, animals and plant. This is
because the air becomes dirty (contaminated or
unclean); defined as any contamination of the
atmosphere that disturbs the natural composition and
chemistry of the air. This can be in the form of particulate
matter such as dust or excessive gases like carbon
dioxide or other vapors that cannot be effectively
removed through natural cycles, such as the carbon
cycle or the nitrogen cycle.

3. SOURCES
• Natural: Natural events that pollute the air.
forest fires, volcanic eruptions, wind erosion,
pollen dispersal, evaporation of organic
compounds and natural radioactivity.
• Man-made: human-made chemicals that
pollute the air. House and Agricultural
Chemicals, Industrial emissions, Burning fossil
fuels

4. NATURAL SOURCES

5. pollutants
• Primary: carbon monoxide, ground level
ozone, lead, nitrogen dioxide, sulfur dioxide
• Secondary: photochemical smog, aerosol
sprays and solvents, acid rain

6. effects
• Acidification
• Eutrophication
• Ground level ozone

7. Laws and Regulations
• R.A. 8749: PHILIPPINE CLEAN AIR ACT OF 1999