Climate change making allergy season longer in North Carolina, new study says

Raleigh’s allergy season has lengthened by 41 days – more than a month – between 1970 and 2025.

By: Christine Zhu

Outlets: North Carolina Newsline

Published: March 10, 2026

Words: 328

Last Updated: 4 months, 4 weeks ago

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If it seems like your seasonal allergies start a little earlier every year, it’s not all in your head. North Carolina is seeing a longer allergy season as a result of climate change, according to a new report from Climate Central.

Raleigh’s allergy season has lengthened by 41 days — more than a month — between 1970 and 2025, according to the analysis published March 4.

The increase of 41 days is …

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