AQ Index for Ontario, California

Home > USA > California > San Bernardino County > Ontario

Current AQ Index in Ontario

Ontario Air Pollutants

Primary air pollutant in the Ontario area:

OZONE - 1 Good

Enjoy your outdoor activities.

Daily Air Quality Forecast for Ontario, California

Primary Pollutant: PM10 - 63 Moderate

Secondary Pollutant: PM2.5 - 55 Moderate

Secondary Pollutant: OZONE - 36 Good

Secondary Pollutant: CO - 7 Good

Secondary Pollutant: NO2 - 39 Good

Primary Pollutant: PM2.5 - 107 Unhealthy for Sensitive Groups

Secondary Pollutant: PM10 - 49 Good

Secondary Pollutant: OZONE - 24 Good

Secondary Pollutant: CO - 7 Good

Secondary Pollutant: NO2 - 35 Good