kiran prakashan railway book published this article page no20 During
the winter months when the temperatures are colder and atmospheric inversions are common there is an increase in coal and other
fossil fuel usage to heat homes and buildings. These combustion emissions together with the lack of pollutant
dispersion Control Board along with State Pollution Control Boards has been operating National Air Monitoring Program
NAMP covering 240 cities of the country.
In addition continuous monitoring systems that provide data on near realtime
basis are also installed in a few cities kiran prakashan railway book.
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