GB/T 45425-2025
ActiveFog warning levels
雾的预警等级
Application Summary AI generated
GB/T 45425-2025 defines the classification criteria for fog warning levels, specifying thresholds for visibility and duration that trigger different alert grades. It is applied by meteorological agencies in China to issue standardized public warnings for road, aviation, and maritime safety. The standard ensures consistent communication of fog hazards across regions and industries, supporting risk mitigation in transportation and outdoor operations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.