Municipal Development and Reform Commission, Xianning PM2.5 (fine particulate matter) AQI is 80 - Municipal Development and Reform Commission, Xianning PM10 (respirable particulate matter) AQI is 73 - Municipal Development and Reform Commission, Xianning NO2 (nitrogen dioxide) AQI is 13 - Municipal Development and Reform Commission, Xianning SO2 (sulfur dioxide) AQI is 5 - Municipal Development and Reform Commission, Xianning O3 (ozone) AQI is n/a - Municipal Development and Reform Commission, Xianning CO (carbon monoxide) AQI is 6 -