Good evening Selby,
Mosquito spraying will begin Sunday, 11 June 2017 and will continue every Sunday anytime between 7:00pm and 2:30am. Residents who do not wish their property to be sprayed may file an exemption. The exemption policy and form can be found at: http://mda.maryland.gov/plants-pests/Documents/MosquitoControlExemptionForm.pdf .
It is suggested that on spray nights to stay indoors, shut windows, turn off window AC units, bring in pet dishes, children's toys, etc.
For further information:
For information on the products used: