"We had asked the Howrah Municipal Corporation to have six sprinkling vehicles for watering the roads to bring down pollution.
Ghusuri's AQI has come down but it is still in the "very poor" category and the PCB is determined to bring it down further.
The sprinklers contain particulate matters gathering in air and bring down the air pollution.
The Kolkata Municipal Corporation is already using 15 sprinkling vehicles and has placed tenders for procuring 20 more for extensive sprinkling activities in the city.
The South Dum Dum Municipality has been provided with two dust suppressant vehicles by the PCB that is being used in Jessore Road, Dum Dum Airport, Natun Bazar and Patipukur areas.