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 Dyson Air purifier purifying bedroom

A global increase in frequency and severity

In recent decades, pollen allergies have increased in both frequency and severity.³ The World Allergy Organisation (WAO) estimate allergy prevalence of all types ranges between 10 – 40% globally.⁴ It’s estimated to affect more than 20% of the population of most developed countries.⁴


Several factors contribute to a rise in pollen allergies specifically, including:


Climate change: Changes in temperature, rainfall patterns, and prolonged flowering seasons due to climate change have led to an increased release of pollen, intensifying exposure and potentially exacerbating allergic symptoms.⁵


Environmental factors: Air pollution, indoor allergens, and reduced biodiversity is believed to contribute to the rise of pollen allergies.⁶


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  • Dyson air purifier purifying air in middle of family living room

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