Air Purifier market
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Pragati Ratti Sharma Sep 29 2017 - 3 min readPost Diwali, Delhi and other North Indian states have witnessed a thick smog blanket. The air quality has dipped and the pollution levels are highest in 17 years. PM 2.5, a standard measure of air quality, is 13 times higher than the safe limit and the reasons are beyond just Diwali crackers, going to the ...