Get Your Allergy Forecast  for San Francisco, CA  (edit)  

Pollen Allergy Forecast for San Francisco, CA (94102)

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Today

Today's Pollen Level

Saturday

Sunday

Monday

Tuesday

Saturday's Allergy Level: LOW-MEDIUM
Tomorrow's Pollen Level
Sunday's Allergy Level: MEDIUM
Sunday's Pollen Level
Monday's Allergy Level: HIGH-MEDIUM
Monday's Pollen Level
Tuesday's Allergy Level: HIGH-MEDIUM
Tuesday's Pollen Level
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extended weather forecast

Today's Predominant Pollens

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Allergy Forecast Discussion

Based on past pollen counts and expected weather conditions, pollen levels for Saturday will be increasing in the moderate range. Since the weather has a major influence on pollen dispersal, this increase is due in part to seasonally normal weather conditions which are favorable for the production and dispersal of pollen. Tomorrow's increase could spell trouble for allergy sufferers.
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Allergy Facts

Confirming clinical observations, a recent study by investigators in Wisconsin demonstrated that the intensity of an asthmatic attack depends upon the time of day when it occurs. Subjects challenged in the morning and evening responded most strongly to the same result at night, confirming so-called nocturnal asthma or night wheezing.
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