Home / Standards / GB/T 28593-2026 GB/T 28593-2026 Upcoming Sand and dust weather warning levels 沙尘天气预警等级 Standard Type GBT ICS 07.060 CCS A47 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国气象局 Drafting Unit N/A