国家卫生健康委员会和中国气象局于9月1日联合发布2026年秋季第1期花粉浓度预报服务提示1。预报显示，9月2日至7日期间，西北地区东北部、内蒙古大部、华北中北部及河南北部等地花粉浓度处于高等级，其中内蒙古中西部地区花粉浓度处于很高等级1。
根据花粉浓度等级划分标准，高等级对应花粉浓度为151~300粒/千平方毫米，很高等级则超过300粒/千平方毫米1。两部门建议过敏人群及时关注本地花粉浓度和种类变化，提前采取防护措施1。
The National Health Commission and China Meteorological Administration jointly released the first pollen concentration forecast and service alert for autumn 2026 on September 1 at 6 p.m. 1. The forecast covers the period from September 2 to 7 and identifies areas across northern China where pollen levels will reach critical thresholds 1.
According to the prediction, high-level pollen concentrations (Grade 4) are expected in the northeastern sections of northwestern China, most of Inner Mongolia, central and northern North China, and northern Henan 1. Inner Mongolia's central and western regions face particularly severe conditions, with pollen concentrations reaching very high levels (Grade 5) 1. The classification system defines Grade 5 as exceeding 300 particles per thousand square millimeters, while Grade 4 ranges from 151 to 300 particles per thousand square millimeters 1.
Health experts urge residents with allergies to monitor local pollen concentration and type changes closely and implement protective measures in advance 1.
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