Maryland's Open Burning Ban is in effect annually between June 1 and September 1.

As in past years, a seasonal open burning ban will be imposed in: Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles, Frederick, Harford, Howard, Montgomery, and Prince George's counties and Baltimore City.

The ban includes the open burning that is primarily used as a form of disposal of certain waste materials by individuals, farmers, and developers.

The ban does not affect backyard barbecue grilling or open fires for recreational purposes, such as campfires. Public officers may authorize certain other types of fires.