GB/T 34302-2017
ActiveWarning level for surface ozone
地面臭氧预警等级
Application Summary AI generated
GB/T 34302-2017 defines the classification criteria and warning levels for surface ozone concentration, specifying thresholds for moderate, heavy, and severe pollution. It is applied by environmental monitoring agencies and meteorological departments in China to issue public health advisories and implement emergency response measures during high-ozone events. The standard supports air quality management in urban and industrial areas, particularly during warm seasons when photochemical smog formation is most active.
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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.