Sentences with phrase «ragweed pollen counts»
Pollen data from 10 locations, along a north - south section of North America, were assessed for ragweed pollen counts for each year from 1995 to 2009.
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Dr. Lewis Ziska, a plant physiologist with the U.S. Department of Agriculture's Crop Systems and Global Change Laboratory, and colleagues at the National Allergy Bureau and Aerobiology Canada, analyzed ragweed pollen counts at ten monitoring stations along a south to north transect, from Texas north to Saskatchewan, Canada, from 1995 to 2009.
Not exact matches
It can also help to avoid mold and ragweed pollen by monitoring your local pollen counts and staying indoors as much as possible on days when pollen counts are high.
During peak ragweed season, the roughly two - week period between August and October when pollen counts are highest, symptoms and medication use dropped 24 percent.