Frosty Night for Locals: Understanding Spring Cold Snap

“It’s interesting how clear the air gets when there’s frost,” remarks Dr. Dvorin, Delaware Valley’s only official pollen and mold spore counter as he finished counting today’s air sample. “Our patients who have been struggling with allergies and nasal congestion say there is some relief with this cold snap,” Dr. Dvorin reports. “With trees and freezing temperatures, the buds that had started to open will tighten up to protect the process,” he explains. “And if temperatures warm up - trees usually need about 48 hours or so—the buds will begin to reopen.”