Early and Intense Pollen Season Linked to Climate Change
Early and Intense Pollen Season Linked to Climate Change
US · Published Mar 14, 2026
• Pollen seasons are starting approximately 20 days earlier with a 21% increase in pollen concentration, linked to climate change.
• Warmer, wetter winters due to climate change contribute to more severe allergy seasons.
• Taking allergy medications, like antihistamines, strategically (e.g., at night if symptoms peak in the morning) can maximize their effectiveness.
Climate change fuels earlier, intense pollen seasons
The pollen season is starting earlier and becoming more intense, largely due to climate change. Studies show a 20-day advance in the start of the pollen season and a 21% increase in pollen concentration since 1970.
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