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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 .
Additionally, plants that cause contact allergies (such as rashes or itching), or that are highly poisonous when ingested even though their pollen does not cause respiratory allergies, are never given low ratings. [1] Low allergy ratings are considered to be 1 through 3 on the allergy scale.
The AHAM-certified seal lists a rating for tobacco smoke, pollen, and dust removal, and a rating for room size. The clean air delivery rate (CADR) is a figure of merit that is the cubic feet per minute (CFM) of air that has had all the particles of a given size distribution removed.
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.
A pollen calendar can be a very useful tool in forensic science, because it can be used to place the month, or week, or date of death. [4] [5] The use of pollen for criminal investigation purposes is called "forensic palynology". [6] [4]
Cazadero receives an average of 85 in (2,200 mm) of rain a year, and is reputed to be the second-wettest town in California, after Gasquet. [3] According to the United States Census Bureau, the CDP covers an area of 7.1 square miles (18.4 km 2), 99.98% of it land and 0.02% of it water. The ZIP Code covers about 216 square miles (559.4 km 2). [4]
Move over, Wordle and Connections—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity fans can find on ...
Pollen cores being taken at Fort Bragg, North Carolina. A pollen core is a core sample of a medium containing a stratigraphic sequence of pollen.Analysis of the type and frequency of the pollen in each layer is used to study changes in climate or land use using regional vegetation as a proxy.