Bergen County Mosquito Control will be performing an early morning ULV Truck Spray in Elmwood Park on Wednesday August 21st, between the hours of 3:00-6:00 AM. They will be spraying Duet adulticide to eliminate active, adult mosquitoes as well as Vectobac larvacide to help control the mosquito larvae. As a precaution, keep your windows closed. In the event that it rains, the spray will be postponed until Friday August 23rd. The map of the spray area and additional information can be found at https://www.co.bergen.nj.us/public-works-mosquito-control/bergen-county-mosquito-control-spray-notice .
Please see the below documents for more details.