6 Aftermath of Industrial Pollution, Post COVID-19 …
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Fig. 6.9 Mean concentration of PM2.5, PM10, CO, NO 2 , NO, NOx, and O 3 from March 16th
to April 14th of years 2017 to 2020 of various parts of India. The line in each plot indicates the
corresponding WHO limit for all pollutants but CO (Source [59])
According to most of the studies the 2/3 of earth surface is submerged in water, out
of which only 3% is drinkable water; and out of this 3% water, the surface acquires
only 1% water and the rest is underground or in frozen state [42]. According to WHO,
approximately 2 billion people across the globe drink contaminated water due to the
release of huge variety of pollutants by the industries and public sources directly into
the water bodies, as a result various diseases such as cholera, polio, diarrhea, typhoid,
dysentery, etc., spread at a large scale. Not only the human lives, industrial water
pollution also plays a chief role in ecosystem degradation, this type of damage mainly
affects the people of developing and underdeveloped countries (India, Bangladesh,