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Deidre Jones
6

th

 grade

Nex

t

Bac

k

Contents

What

 

is

 

air?

What is air

 

pollution

Primary

 

and

 

secondary

 

pollutants

Main

 

primary

 

pollutants:

Carbon

 

monoxide

 

(CO)

Sulphur

 

oxides

 

(SOx)

Nitrogen

 

oxides

 

(NOx)

Particulates

 

(PM)

Secondary

 

pollutants:

Ground

 

level

 

ozone

Acid

 

rain

Nutrient

 

enrichment

Effects of Air pollution
What measures should be taken
Conclusion

background image

•

Any visible or invisible particle or 

gas found in the air that is not 

part of the original, normal 

composition.

  

O

3

   

NO

2

CO

   

H

2

O

Air

 

is

 

very

 

important

 

as

 

it

 

provides

 

oxygen

 

and

 

other 

gases

 

that

 

are

 

essential

 

to

 

all

 

life

 

on

 

Earth.

It

 

consists

 

of

 

a

 

mixture

 

of

 

invisible

 

gases

 

that

 

surround

 

the

 

planet.

Plus

 

small

 

amounts

 

of

 

other

 

trace

 

gases,

such

 

as

 

carbon

 

dioxide

 

and

 

methane.

NH

3

Ar

                                                               

              

       

                         

Oxygen

(21%)

Other

 

gases

(Less

 

than

 

2%)

Nitrogen

(78%)

CO

2

Nex

t

Bac

k

background image

NO
2

Wildfire

s

Primary

 

pollutants

Carbon

 

monoxide

CO

Carbon

 

dioxide

CO2

Sulphur

 

dioxide

SO2

Nitric

 

oxide

NO

Hydrogen

 

peroxide

H2O2

Secondary

 

pollutants

Sulphur

 

trioxide

SO3

Nitric

 

acid

HNO3

Sulphuric

 

acid

H2SO4

Ozone

O3

Nitrogen

 

dioxide

Particulates

(PM)

Volatile

 

organic

 

compounds

VOCs

Ammoni

a

NH3

Particulate

s

(PM)

Volcanoes

Power

 

generation

Aeroplane

s

Factorie

s

Air

 

pollutants

 

can

 

be

 

classified

 

as:

Ammonium

NH4+

A

 

primary

 

pollutant

 

is

 

one

 

that

 

is

 

emitted

 

directly

 

from

 

a source

Secondary

 

pollutants

 

are

 

formed

 

when

 

primary

pollutants

 

interact

 

with

 

each

 

other

 

in

 

the

 

atmosphere.

     

    Next

Agriculture

 Back

Vehicle

 

exhausts

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