Thick smog in Delhi before Diwali, pollution over 20 times safe limitNovember 06, 2018 10:02
The residents of Delhi woke up to a thick blanket of smog this morning amid warnings by weather officials of falling air quality in the national capital.
The levels of the pollutant PM2.5 was at a "hazardous" 644 or over 20 times the safe limit prescribed by the WHO at south Delhi's Okhla, according to data from the Delhi Pollution Control Board. PM2.5 are fine particles that can penetrate the lungs and cause respiratory diseases.
Visibility on the roads was low this morning, as against Sunday when air quality significantly improved due to increased wind speed and control measures implemented by the government.