Last Update: 09/22/2026 at 11:33 PM EST
Worsening Allergy Seasons Under Warming
Coverage from The Invading Sea, Warmer Growing Season, and others

Recent reporting consistently links warming temperatures, milder winters, and higher carbon dioxide to longer and more intense allergy seasons across the United States.
The pattern shows earlier flowering, longer freeze-free seasons, and higher pollen exposure, with regional differences and added risks from mold and air pollution.
Looking Back
66 Day Timeline
Mar 4
Mar 14
Mar 26
Apr 5
Apr 15
Apr 27
May 7
All Articles18 articles
Additional
3/17/2026 • Climate Science & Impacts • General
3/4/2026 • Climate Science & Impacts • General
5/8/2026 • Climate Science & Impacts • General
4/17/2026 • Climate Science & Impacts • General
4/6/2026 • Climate Science & Impacts • General
3/31/2026 • Climate Science & Impacts • General
3/29/2026 • Climate Science & Impacts • General
3/28/2026 • Climate Science & Impacts • General
3/22/2026 • Climate Science & Impacts • General
3/10/2026 • Climate Science & Impacts • General
3/9/2026 • Climate Science & Impacts • General
5/5/2026 • Climate Science & Impacts • General
3/22/2026 • Climate Science & Impacts • General
3/10/2026 • Climate Science & Impacts • General
4/30/2026 • Climate Science & Impacts • General
4/13/2026 • Climate Science & Impacts • General
