Finer, deadlier PM1 shoots up in Delhi due to crop burning, crackers

PM1, or particulate matter measuring less than 1 micron, is so fine that it can reach the blood stream and organs. Scientists say these particles are highly toxic as they are formed because of complex chemical reactions between pollutants in the air, and are at least 50-70 times finer than human hair.

from Hindustan Times - topnews https://ift.tt/2OJslbd