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The major
part of Pakistan is dominated by dry climate. A small area in the
north have sub-tropical climate. The subtropical location of Pakistan
from approximately 23 N° to 37N° latitudes tends to keep the
temperature high particularly in summer.In Pakistan air pollution is
reported in Karachi, Hyderabad, Lahore, Faisalabad, Gujaranwals,
Sialkot. Rawalpindi and Peshwar, the oceanic influence of Arabian Sea
keep down the temperature contrast between summer and winter at the
cost .A temperature inversion layer at low elevation of approximately
1500 meters (5,000 feet) in the southern part of Pakistan during the
summer season does not allow the moisture laden air to raise and
condensation to take place.
The environmental problems in
Pakistan have emanate from three sources: |