Lìwān xicūn, Guangzhou PM2.5 (fine particulate matter) AQI is 68 - Lìwān xicūn, Guangzhou PM10 (respirable particulate matter) AQI is 24 - Lìwān xicūn, Guangzhou NO2 (nitrogen dioxide) AQI is 5 - Lìwān xicūn, Guangzhou SO2 (sulfur dioxide) AQI is 3 - Lìwān xicūn, Guangzhou O3 (ozone) AQI is n/a - Lìwān xicūn, Guangzhou CO (carbon monoxide) AQI is 5 -