根据花粉数量排名美国最为严峻的城市. Spring allergy report ranks toughest U.S. cities by pollen counts.

一份新报告列出了美国最难以适应春季过敏症患者的城市, 特别指出有大量花粉和环境条件恶劣地区. A new report ranks the toughest U.S. cities for spring allergy sufferers, highlighting regions with high pollen counts and challenging environmental conditions. 分析有助于确定居民季节性过敏特别严重的地方. The analysis helps identify locations where seasonal allergies are particularly severe for residents.