GB/T 20480-2006
AbolishedGrade of sand dust storm weather
沙尘暴天气等级
Application Summary AI generated
GB/T 20480-2006 defines the classification criteria for sand dust storm weather based on visibility and wind speed, establishing four grades from mild to extreme. It is applied by meteorological agencies in China for issuing warnings, by environmental monitoring stations for assessing air quality impacts, and by disaster management authorities for emergency response planning during sandstorm events.
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