The Delhi government's experiment with anti-smog guns to control pollution has failed the test of Central Pollution Control Board (CPCB), which on Thursday declared the machine ineffective in open areas and on fine particles.
The CPCB also observed that even to control dust, it would take at least 50,000 such machines to control bigger particles in the air across Delhi, which has an area of 1,484 sq.km.
"This system can't be applied in an area like Delhi...it can only work in a confined area like a stadium and not in open areas," D. Saha, scientist at the CPCB who observed