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Sneezing Into Fall: Seasonal Allergies Return

8 Sep 2016, 10:29 am

Break out the tissues! Fall allergies are back.

Fall allergies can start as early as August. The biggest trigger: ragweed. It begins releasing its pollen as the nights start getting cool. Symptoms generally last well into September and October, until the first hard freeze kills those pesky pollen causing plants. Even if ragweed doesn’t grow near you, it can travel hundreds of miles on the wind. If you traditionally see allergies in spring, that Autumn sniffle could be allergy related too. About 75% of spring allergy sufferers also have reactions to ragweed.


Mold is another culprit in the fall. Just like the mold that can grow indoors, mold spores look for wet spots outside. Those leaves may be pretty to look at on the trees, but mold thrives in fall by breeding in damp piles of leaves on the ground.

Dust mites can also make you sneeze and wheeze. They are more common in summer, but can sometimes get blown back into the air when you first turn on your heater. Your little one suffering too? Mold and dust mites are common in schools. Might want to throw a box of tissues in with the school supplies.

Fall Foliage

Here are a few things you can do to lessen their impact:

  • Don’t open the windows to help control the temperature in your house. The fall breeze may feel good, but it lets the allergens in.
  • Keep your heating vents clean and change the air filter regularly.
  • Use a dehumidifier. 35-50% is the optimum zone.
  • When raking leaves, wear a mask to prevent breathing in mold spores.

For WeatherNation: Meteorologist Karissa Klos

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