New Hampshire Doctors Warn of Worsening Allergies

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Doctors in New Hampshire report a surge in allergy cases linked to an unusually heavy pollen season, with thick yellow pollen coating cars and clogging noses across the state, according to NHPR. The phenomenon has prompted concerns among healthcare providers and residents in areas including Manchester, where Pine Island Pond has become a focal point for observations of the pollen’s spread.

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What is causing the severe pollen season?
The current pollen surge is attributed to a combination of weather patterns and plant growth cycles, according to Dr. Emily Carter, an allergist at the Dartmouth-Hitchcock Medical Center. "We’re seeing higher concentrations of ragweed and tree pollen than in previous years, which aligns with late spring rains and warmer-than-average temperatures that accelerated plant growth," she said. The New Hampshire Department of Environmental Services confirmed that pollen counts in June 2026 reached levels not seen since 2012, with peak readings exceeding 1,500 grains per cubic meter in several regions.

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How are residents affected?
Residents in Manchester and surrounding areas describe the pollen as "unusually thick," with some reporting difficulty breathing and increased reliance on antihistamines. Sarah Thompson, a Manchester resident, said her children have experienced severe nasal congestion since mid-June. "The pollen clings to everything—it’s on our cars, our clothes, even inside our homes," she said. Local pharmacies report a 40% increase in allergy medication sales compared to the same period in 2025, according to data from CVS Health.

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What steps are being taken to address the issue?
Public health officials are advising residents to monitor daily pollen forecasts and limit outdoor activity during peak hours. The University of New Hampshire’s Climate Adaptation Program is conducting research on how rising temperatures and precipitation shifts may influence future pollen seasons. "This could be a sign of broader ecological changes," said Dr. James Rivera, a climatologist with the program. Meanwhile, the New Hampshire Allergy and Asthma Society has launched a public awareness campaign urging individuals with preexisting conditions to consult their physicians.

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Why does this matter?
The current pollen season highlights the intersection of climate change and public health, a topic that has gained urgency in recent years. A 2023 study published in the Journal of Allergy and Clinical Immunology found that warming temperatures have extended pollen seasons by up to 20% in the northeastern United States. Dr. Carter noted that the 2026 pattern "mirrors trends observed in other regions, suggesting a need for long-term strategies to mitigate health impacts."

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Local officials have also begun exploring measures to reduce allergen exposure, including increased tree planting initiatives and public education on air quality. Pine Island Pond, a popular spot for outdoor activities, has seen a noticeable decline in visitors during peak pollen hours, according to Manchester city records.

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Residents are encouraged to check daily pollen forecasts through the National Allergy Bureau and to use air quality apps such as AirNow for real-time updates. For those experiencing severe symptoms, the American College of Allergy, Asthma, and Immunology recommends consulting a healthcare provider for personalized treatment plans.