Technical provisions for ranking of urban ambient air quality. Country/Territory China Document type Regulation Date 2018 Source FAO, FAOLEX Subject Air & atmosphere Keyword Pollution control Monitoring Data collection/reporting Geographical area Asia, Asia and the Pacific, East Asian Seas, Eastern Asia, North Pacific, North-West Pacific Abstract These Technical Provisions, consisting of 7 Sections, are enacted to further standardize the ranking of urban ambient air quality. Full text Chinese Website www.mee.gov.cn