Allergies & Pollen Count for Davidsonville, Maryland
Today's Condition
Discussion
Concentration of pollen grains in the air for Saturday will be rising and extend further into the very high range. This higher level is caused in part by drier air.
Allergy Facts
Many decades ago, farmers in the Pacific Northwest planted ragweed in their apple orchards for ground cover. When the public health impact of this blunder was fully determined, the plant was then aggressively eradicated. This explains why ragweed is so uncommon in western Washington and Oregon today.