Haryana begins trial of filterless outdoor air purifier at Gurugram’s Vikas Sadan

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• Hindustan TimesLean L·2h ago

  Haryana begins trial of filterless outdoor air purifier at Gurugram’s Vikas Sadan

  Haryana begins trial of a filterless outdoor air purifier at Gurugram’s Vikas Sadan, with PM2.5 and PM10 levels to be closely monitored.

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