Health Department To Spray Adult Mosquitoes In Manhattan And Brooklyn Areas

August 22, 2024

To reduce mosquito activity and the risk of West Nile virus, the Health Department will conduct an adulticide treatment in Manhattan and Brooklyn.

Trucks will spray pesticides in sections of Manhattan beginning on Monday, August 26, 2024, between the hours of 8:30 PM and 6:00 AM the following morning and in Brooklyn on Wednesday, August 28, 2024 between the hours of 8:30 PM and 6:00 AM the following morning. In case of bad weather, application will be delayed until Tuesday, August 27, 2024, and Thursday, August 29, 2024, respectively, between the hours of 8:30 P.M. and 6:00 A.M. the following morning.

The Health Department will use very low concentrations of Anvil® 10+10, Duet® or MERUS® 3. The risks of pesticides applied by the Health Department for mosquito control are low to people and pets. Some people who are sensitive to spray ingredients may experience short-term eye or throat irritation, or a rash. People with respiratory conditions may also be affected.

To stay safe during spraying:

  • Stay indoors, whenever possible.
  • Air conditioners can remain on. While unnecessary, you may wish to close air conditioner vents, or choose the recirculate function.

After spraying:

  • Wash skin and clothing exposed to pesticides with soap and water.
  • Always wash fruits and vegetables with water.

The most effective way to control mosquitoes is to eliminate any standing water. New Yorkers are also encouraged to mosquito-proof their homes and take precautions when spending time outdoors.

Reducing exposure to mosquitoes


  • Use an approved insect repellent containing DEET, picaridin, oil of lemon eucalyptus (not for children under 3), or products that contain the active ingredient IR3535.
  • Make sure windows have screens. Repair or replace screens that have tears or holes.
  • Eliminate any standing water from your property and dispose of containers that can collect water. Standing water is a violation of the New York City Health Code.
  • Make sure roof gutters are clean and draining properly.
  • Clean and chlorinate swimming pools, outdoor saunas and hot tubs. Keep them empty or covered if not in use. Drain water that collects in pool covers.

Report standing water by calling 311 or visiting nyc.gov/health/wnv. For more information about West Nile virus, call 311 or visit nyc.gov.

Locations of truck spraying in Manhattan for Monday, August 26, 2024

BoroughNeighborhoodsBoundariesZip Codes
ManhattanParts of Carnegie Hill, Central Park, East Harlem, Fort George, Hamilton Heights, Harlem, Inwood, Lenox Hill, Lincoln Square, Manhattan Village, Manhattanville, Morningside Heights, Sherman Creek, Sugar Hill, Upper East Side, Upper West Side, Washington Heights, and Yorkville.Bordered by Hudson River to the West; Spuyten Duyvil Creek to the North; Harlem River, and 2nd Avenue to the East; and, East-West 59th Street, Central Park West, and West 96 Street to the South.Parts of 10021, 10025, 10026, 10027, 10028, 10029, 10030, 10031, 10032, 10033, 10034, 10035, 10037, 10039, 10040, 10075, 10115, and 10128

Locations of truck spraying in Brooklyn for Wednesday, August 28, 2024

 Borough NeighborhoodsBoundariesZip Codes
BrooklynParts of Bath Beach, Bay Ridge, Bensonhurst, Coney Island, Dyker Heights, Fort Hamilton, Gravesend, New Utrecht, and Sea Gate.Bordered by 3rd Avenue to the West; Bay Ridge Parkway, 19th Avenue, 65th Street, and Avenue P to the North; Ocean Parkway to the East; and, Coney Island Beach, and Gravesend Bay to the South.Parts of 11204, 11209, 11214, 11223, 11224, and 11228.


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