Delhi pollution: This technology cut PM2.5 by 90%
National Physical Laboratory of India (NPLI) on Tuesday certified a ground-level air purifying technology that can improve air quality even in an open environment. Therefore, it might be possible to have cleaner air at a bus stop or playground even on a bad air day.
from Delhi News, Latest Delhi News Headlines & Live Updates - Times of India https://ift.tt/2QdpyZC
from Delhi News, Latest Delhi News Headlines & Live Updates - Times of India https://ift.tt/2QdpyZC
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