近日，青海、甘肃多地遭遇强沙尘暴天气，能见度骤降，部分地区甚至不足百米，对交通、农业和居民健康造成显著影响。此次沙尘暴主要受冷空气南下与地表干燥共同作用所致。春季是西北地区沙尘高发期，地表植被尚未完全返青，土壤松散，加上大风天气频繁，极易形成扬沙或沙尘暴。气象部门已发布黄色或橙色预警，提醒公众减少外出，注意防护，特别是呼吸道疾病患者和老人儿童更需谨慎。同时，相关部门加强了对高速公路、机场等交通枢纽的管控，部分航班和列车出现延误或取消。专家指出，近年来随着生态治理工程持续推进，如三北防护林、退耕还林还草等措施，我国沙尘天气总体呈减少趋势，但局部地区仍受自然条件和气候变化影响，偶有极端沙尘事件发生。未来需继续加强荒漠化防治和区域联防联控，提升应对极端天气的能力。
Recently, strong sandstorms have hit multiple areas in Qinghai and Gansu provinces, drastically reducing visibility—sometimes to less than 100 meters—and significantly impacting transportation, agriculture, and public health. These sandstorms were primarily caused by the combined effects of southward-moving cold air and dry surface conditions. Spring is the peak season for sandstorms in northwestern China, as vegetation has not yet fully regrown, leaving loose soil vulnerable to high winds that easily lift dust into the air. Meteorological authorities have issued yellow or orange alerts, urging the public to limit outdoor activities and take protective measures, especially for individuals with respiratory conditions, the elderly, and children. Transportation hubs such as highways and airports have implemented enhanced controls, resulting in delays or cancellations of some flights and train services. Experts note that thanks to ongoing ecological restoration efforts—including the Three-North Shelterbelt Program and initiatives like returning farmland to forests and grasslands—sandstorm frequency in China has generally declined in recent years. However, localized extreme sandstorm events can still occur due to natural conditions and climate variability. Continued efforts in desertification control and regional coordination will be essential to enhance resilience against such extreme weather events.
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