RT null T1 The West Africa Asia Air Quality Regional Report T2 Actions taken by governments to improve air quality A1 United Nations Environment Programme, YR 2017 FD 2017-04 LK https://wedocs.unep.org/handle/20.500.11822/20249 UL https://wedocs.unep.org/handle/20.500.11822/20249 NO This report summarises ten actions being undertaken in the sub?region to improve air quality. In selecting these ten actions, consideration was given to their replicability, global appropriateness to address particular air pollution challenges and potential impact. For more details, please refer to the methodology document. NO https://www.unep.org/airquality DS UN Environment Document Repository RD Sep 16, 2026