E Providence, Rhode Island PM2.5 (fine particulate matter) AQI is 25 - E Providence, Rhode Island PM10 (respirable particulate matter) AQI is n/a - E Providence, Rhode Island NO2 (nitrogen dioxide) AQI is 2 - E Providence, Rhode Island SO2 (sulfur dioxide) AQI is 2 - E Providence, Rhode Island O3 (ozone) AQI is 34 - E Providence, Rhode Island CO (carbon monoxide) AQI is 1 -