High Levels of Ultrafine PM 1 Particles Found in Delhi-NCR During Oct-Nov, Shows New Analysis
The analysis of PM 1 particles is important as no government agency monitors concentration of these ultrafine particles on a continuous basis, like they monitor PM 2.5 and PM 10 pollution. In fact, there are neither international standards nor domestic standards that define the prescribed or safe limits of PM 1 concentration.
from Top India News- News18.com https://ift.tt/35Q5C9m
Labels: Top India News- News18.com
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