Answer:
Seattle, New York city, Washington D.C.
Step-by-step explanation:
Air pressure changes the temperature of the environment. When the warm air rises above, the pressure is low. At the same time, when the cold air sinks down, the air pressure is said to be high. Places that has high pressure experiences a dry environment with clear skies. According to the given map, Seattle, New York city, and Washington D.C. are experiencing the dry and clean conditions.