This standard specifies the conditions for identification of photochemical smog. This standard applies to photochemical smog observation, forecasting and services.
QX/T 240-2014 Referenced Document
GB/T 21005-2007 UV erythema reference action spectrum,standard erythema dose and UV index
QX/T 240-2014 history
2014QX/T 240-2014 Identification of photochemical smog