Glasgow Kerbside PM2.5 (fine particulate matter) AQI is 11 - Glasgow Kerbside PM10 (respirable particulate matter) AQI is 5 - Glasgow Kerbside NO2 (nitrogen dioxide) AQI is 21 - Glasgow Kerbside SO2 (sulfur dioxide) AQI is n/a - Glasgow Kerbside O3 (ozone) AQI is 4 - Glasgow Kerbside CO (carbon monoxide) AQI is n/a -