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A pollen count is a measurement of the number of pollen grains in a given volume of air. Pollen counts, and forecasts of pollen conditions, are routinely produced and reported to the public because high aerial pollen concentration is associated with increased rates of allergic reaction for those with conditions such as hay fever and asthma .
Here's the setup. High pressure will move from Tennessee to offshore overnight. The Cape Fear region will see brisk northwest winds today, giving way to a warmer flow by mid-week.
Ragweed pollen is a common allergen. A single plant may produce about a billion grains of pollen per season, [ 11 ] [ 12 ] and the pollen is transported on the wind. It causes about half of all cases of pollen-associated allergic rhinitis in North America, where ragweeds are most abundant and diverse. [ 8 ]
GIS data for State of Kentucky; Name Description; Kentucky Geography Portal: The Kentucky Geoportal is a Data Clearinghouse that provides ays to discover and share geospatial data resources. Locate maps and geographic data content for a particular part of the state or search based on keyword or theme type. [12] Kentucky Open Data Portal
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For certain downloadable images (such as maps), American Memory at the Library of Congress began using MrSID in 1996; in January 2005 it also began using JPEG 2000. [6] Depending on image content and color depth, compression of American Memory maps is typically better with MrSID, which on average achieves a compression ratio of approximately 22 ...
If feasible, avoid going outside on high pollen count days, especially in the early morning or midday. While inside, close your windows and have the air conditioning running.
Ambrosia trifida, the giant ragweed, is a species of flowering plant in the family Asteraceae. It is native to North America , where it is widespread in Canada , the United States , and northern Mexico .