秋季花粉“猛于春”，快收下这份过敏防护指南

Core Viewpoint - The article discusses the increasing prevalence and severity of pollen allergies in northern China during the autumn season, highlighting the differences between autumn and spring allergies, and providing recommendations for prevention and management. Group 1: Autumn Pollen Allergies - Autumn pollen is more allergenic compared to spring pollen, primarily due to the smaller and drier particles from weeds such as ragweed, which can trigger severe allergic reactions even in small amounts [2][4] - The autumn pollen season lasts for 3 to 4 months, making it a prolonged period of potential allergic reactions [2] Group 2: Contributing Factors - Increased mold growth during autumn due to moisture from morning dew and decaying vegetation can also lead to allergic reactions [3] - The dry climate and strong UV radiation in autumn can exacerbate skin conditions and indoor allergies due to dust mites and pet dander [4] Group 3: Prevention and Management - Outdoor protection strategies include avoiding high pollen times, such as windy days and midday hours, and wearing protective eyewear and masks [5][6] - Indoor air purification and humidity control are recommended, including using HEPA filters and maintaining humidity below 50% [8][9] - Medication should be started a week before the pollen season, with common treatments including nasal sprays and oral antihistamines [11][12]