Rai said. "Pollution levels are elevated at 13 hotspots across Delhi, and this pilot project allows us to test drone-based mist spraying in areas where conventional anti-smog guns can't reach ...

The drones used in the testing can carry up to 15 litres of water and release a fine mist to control airborne pollutants, especially in the congested and inaccessible areas The Tribune ...

Delhi govt tests drone-based mist spraying to combat pollution During the demonstration, Delhi Environment Minister Gopal Rai said that pollution levels in the hotspots are higher than the average ...