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8/4/2019 Air Pollution by Abhishek Jaguessar
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AIR POLLUTION
BYABHISHEK JAGUESSAR
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What do These Maps Show?
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Air Pollution
The maps you justsaw
show ozone smoglevels on two dayslast summer.
This map showsthe highest ozonelevelsrecorded in 2001.
Good
Moderate
Unhealthy for
sensitive groups
Unhealthy
Very Unhealthy
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Where Did Acadia Go?
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Air Pollution Reduces Visibility
Acadia National Park
A Clear Day vs A Hazy Day
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Air Pollution:
Has many effects on public health
and the environment.
Comes in different forms and from many sources.
Ozone and Particulate matterare two types ofAir
Pollution that affect Maine.
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What is Ozone?
An odorless, colorless gas
composed of three oxygen
atoms. Ozone in the upper atmosphere protects usfrom the suns harmful ultraviolet rays.
At ground-level in the air we breathe, ozone(smog) poses serious risks to human health.
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Ozone is created by a chemical reaction:
Where Does Ozone Come From?
O3+ =
VOC + NOx + Heat + Sunlight = Ozone
VOC (
Volati
le Organic Compounds) and NOx(Nitrogen Oxides) come from motor vehicles,
power plants, industrial facilities, and other
sources.
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Why is Ozone Bad to Breathe?
The average adult breathes enough air to fillover 3,000 balloons each day. Children
breathe even more!
Ozone can irritate lungs and airways, and
cause inflammation much like a sunburn on
yourlungs.
Ozone can aggravate respiratory illnesses like
asthma.
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Health Effects of Exposureto Ozone
Coughing
Nose and throat irritation
Chest pain
Reduced lung function
Increased susceptibility to respiratory illnesses
Aggravation of asthma
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Air Quality Index (AQI)Values
Levels of HealthConcern
151 to 200
201 to 300
301 to 500
Unhealthy
Very Unhealthy
Hazardous
0 to 50
51 to 100
101 to 150
Good
ModerateUnhealthy
for Sensitive Groups
e r ua ty n ex
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Hot temperatures Sunny skies
Unhealthy ozone levelsSouthwest winds
What Makesa Bad Ozone Day
in New England?
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Ozone Trends in Maine
Acadia National Park
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
0
5
10
15
20
25
30
Numberof
Days
Very Unhealthy Unhealthy Unhealthy for Sensitive Groups
Kennebunkport
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
0
5
10
15
20
25
30
NumberofDays
Very Unhealthy Unhealthy Unhealthy for Sensitive Groups
Cape Elizabeth
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
0
5
10
15
20
25
30
NumberofDays
Very Unhealthy Unhealthy Unhealthy for Sensitive Groups
Port Clyde
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
0
5
10
15
20
Numberof
Days
Very Unhealthy Unhealthy Unhealthy for Sensitive Groups
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Smog Alert
NotificationAreasInterior CT
Southeastern
MA
Coastal CT
Rhode Island
Western MA
Southern NH
Coastal ME
Central &Northeastern MA
Notifies you by e-mail or fax when ozonelevels are predicted to be unhealthy inyour area.
Is available in most areas in NewEngland.
Is a free service.
To receive Smog Alerts, register at(www.epa.gov/region01/oms)
Or contact Maine DEPsOzone Hotline at 1-800-223-1196 orwww.state.me.us/dep/air/ozone/ozone.htm
Smog Alert Service
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What is Particulate Matter?
particles of different substances suspended in
the air
in the form of solid particles and liquid droplets
particles vary widely in size
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Fine particles come from a variety of sources: diesel trucks and buses
construction equipment
power plants
woodstoves
wildfires
Where does Pm come from?
Also, Chemical reactions in the atmosphere
can transform gases into fine particles.
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Fine particles are only a fraction
of the size of a human hair.
How Fine is Fine?
Fine Particles(2.5Qm)
Cross section of a human hair (magnified to 60Qm)
Coarse Particles(10Qm)
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Whyare Fine Particles
Bad to Breathe? Scientific studies have linked fine particles with a series of
significant health problems.
Fine particles easily reach the deepest parts of the lungs.
Particulate matter causes 15,000 premature deaths every
year in the US.
Fine particles from Diesel exhaust can cause lung cancer.
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Health Effects of Exposure
to Fine Particles Premature death
Aggravated asthma
Respiratory-related emergency room visits andhospital admissions
Acute respiratory symptoms
Chronic bronchitis
Decreased lung function (shortness of breath)
Peo le with existin heart and lun disease as
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Reduce vehicl
e emissions:
Drive less
Keep cars well maintained and tires properly inflated
Turn off the engine when your vehicle is not in motion
Purchase low-emitting and fuel efficient vehicles
Share a ride, take public transportation bike, or walk
Cut your grass after 6 p.m.
Refuel your car after 6 p.m.
Combine errands into one trip
What Can You Do?
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What Can You Do?
Conserve electricity:
do not over-cool or over-heat buildings
turn offlights and appliances when not in
use
Purchase electronics/appliances with energystarlabelsTo protect your health, avoid strenuous outdoor activities
when ozone levels are high
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ABHISHEK JAGUESSAR