Foul air a slow poison for Delhi lungs round the year
According to Central Pollution Control Board (CPCB) data, Delhi’s annual average PM 2.5 (particulate matter of 2.5 micron size) last year was 115 microgram per cubic metre while the WHO recommends this be kept under 10 micrograms per cubic metre.
from Hindustan Times - topnews https://ift.tt/2QfDPrv
Labels: Hindustan Times - topnews
posted by Rajesh Pãtidãr @ November 14, 2019
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