Air purifier deployed at Taj Mahal to tackle pollution

The air purifier van deployed by the Uttar Pradesh Pollution Control Board (UPPCB) has capacity to purify 15 lakh cubic metre air in eight hours within a 300 metre radius

source https://timesofindia.indiatimes.com/india/air-purifier-deployed-at-taj-mahal-to-tackle-pollution/articleshow/71884779.cms