Auckland PM2.5 (fine particulate matter) AQI is n/a - Auckland PM10 (respirable particulate matter) AQI is 30 - Auckland NO2 (nitrogen dioxide) AQI is n/a - Auckland SO2 (sulfur dioxide) AQI is n/a - Auckland O3 (ozone) AQI is n/a - Auckland CO (carbon monoxide) AQI is n/a -