AQI Reading Update 09 May 2019 Average PM2.5 reading in Li Building, Nursery Classroom Average PM2.5 reading in Li Building, Nursery Classroom Beijing outdoor AQI reading at 8am: 137. Data collected from US Embassy. Categories Air Quality Updates Our Blog Discover more Air Quality Updates AQI Reading Update 02 May 2019 Average PM2.5 reading in Li Building, Pre-Nursery Classroom AQI Reading Update 26 April 2019 Average PM2.5 reading in San Building, Year 3 Classroom AQI Reading Update 18 April 2019 Average PM2.5 reading in San Building, Year 2 Classroom AQI Reading Update 11 April 2019 Average PM2.5 reading in San Building, German Classroom