Each year, does it seem like your eyes are getting itchier? Is your nose runnier? Maybe your sinuses are getting stuffier, too? If so, you’re not just imagining things. Recent research has found that the pollen season is growing longer and more severe due to climate change.
Longer Growing Season Increases Airborne Pollen
Climate change creates warmer temperatures and increased amounts of CO2 in the air, providing plants with longer growing seasons. That affects their flowering time and enables them to generate more pollen for an extended amount of time, impacting people with seasonal allergies.
Evidence backs up the link between climate change and longer pollen seasons. From 1990 to 2018, researchers across the country gathered data from 60 North American stations. In addition, the researchers used earth system model simulations to quantify the human impact on the climate.
The study found that over the past three decades, pollen seasons have increased an average of 20 days, and pollen concentrations, or the amount of pollen in the air, have increased by 21%. They attribute these changes to human-caused climate change.
What This Means for You
According to the study’s authors, people with allergies and asthma who are triggered by pollen have been and will continue to be highly impacted by these changes to the pollen season driven by climate change.
In addition, the Asthma and Allergy Foundation of America’s 2022 Allergy Capitals Report notes that allergy sufferers who live in urban areas are especially at risk.Warmer temperatures and heatwaves caused by climate change create an urban heat island (UHI) in these areas, resulting in increased air pollution and allergic sensitivity.
If you have pollen allergies, climate change and the resulting longer growing seasons make it even more important to have a treatment plan. Our allergy team is here to help!
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