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Even as Delhi’s annual winter pollution crisis has made residents aware of the harmful PM10 and the dangerous PM2.5 particulate matter, the tiniest and deadliest of these pollutants, PM1, shot up at least 12 times this November than what it is on the cleanest monsoon days, according to scientists monitoring air quality in the national capital.(HT PHOTO)

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

By Joydeep Thakur | Hindustan Times
UPDATED ON NOV 15, 2018 11:59 PM IST
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.
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Experts have called for stricter emission standards in the light of increasing air pollution in the national capital.(Raj K Raj/HTFile)
Experts have called for stricter emission standards in the light of increasing air pollution in the national capital.(Raj K Raj/HTFile)

PM1 levels in Delhi air shoot up by five times on polluted days

By Joydeep Thakur | Hindustan Times, New Delhi
UPDATED ON AUG 13, 2018 11:51 AM IST
This data was provided by India’s most advanced air quality monitoring station, installed at the Town Hall in Old Delhi’s Chandni Chowk area in July.
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