On November 5, the NO2 level was close to 70 µg/m3 between 6 pm and 7 pm, up from 40 µg/m3, between 2 pm and 3 pm.
from The Financial Express https://ift.tt/3wCeOtu
Friday, 12 November 2021
Vehicular emissions biggest contributor to pollution levels in Delhi: Analysis
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