MANNAM FOUNDAITON CENTRE FOR EDUCATION TECHNOLOGY,

PORUVAZHY P O EDAKKAD

HASEENA.BNATURAL SCIENCE

REG NO. 18114373011

AIR POLLUTION

Air pollution is the undesirable change in the physical, chemical or biological

characteristics of the air.

SOURCE OF AIRPOLLUTION

They are mainly classified into two types1.Natural sources2.Anthropogenic source

NATURAL SOURCES

Vocan eruptionWeathering of rocksDispersal of pollengrains and fungal spores

Anthropogenic source

•Extensive urbanization•Massive industrialization•Intensive Agriculture

EFFECTS OF AIRPOLLUTION

Effects on human healthDepletion of ozonelayerGreen house effect

CONTROL MEASURES OF AIRPOLLUTION

Use catalytic converters and neutralizers in automobiles to neautralize exhaust fumesUse furnace fuels which have very low sulphur contentsUse gaseous flues in automobiles to enable complete combustion and also to reduce the emission of toxic substances.