As Climate Change Extends Seasons, You May Suffer From Seasonal Allergies Longer

Learn why rising temperatures and carbon dioxide levels could make pollen-bearing plants bloom earlier and live longer.

By Paul Smaglik
Apr 7, 2025 9:20 PMApr 7, 2025 9:21 PM
Sneezing from allergies
(Image Credit: Pheelings media/Shutterstock)

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Bad news for allergy sufferers: climate change may make your seasonal allergies last even longer. Scientists developed a model accounting for how different warming scenarios could affect pollen production and emissions.

What they found was, by the end of the century, warmer temperatures could kick off the spring allergy season 10 days to 40 days earlier and extend summer/fall emissions an extra 5 days to 15 days, the researchers report in the journal Nature Communications.

“These simulations indicate that increasing pollen and longer seasons will increase the likelihood of seasonal allergies,” said the authors of the study.

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