Artificial City Lights Extend Pollen Allergy Season in Northeastern Cities
Artificial City Lights Extend Pollen Allergy Season in Northeastern Cities
US · Published Apr 3, 2026
• Artificial light at night (ALAN) extends pollen allergy season in Northeastern cities.
• City lights delay the end of pollen season, increasing allergen exposure.
• Urban planning and lighting choices can play a role in managing pollen exposure.
City lights prolong pollen allergy season
A recent study reveals that artificial light at night (ALAN) is prolonging the pollen allergy season in Northeastern cities.
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