Visibility Falls to 200 Metres as Smog Tightens Grip on Delhi-NCR, Fog Adds to Woes
The 24-hour average concentration of lung-damaging fine particles PM2.5 in Delhi-NCR stood at 346 micrograms per cubic metre, around six times more than the safe limit.
from Top India News- News18.com https://ift.tt/3CbqhRU
from Top India News- News18.com https://ift.tt/3CbqhRU
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