AQ Index for St. Helena, California

Home > USA > California > Napa County > St. Helena

Current AQ Index in St. Helena

St. Helena Air Pollutants

Primary air pollutant in the St. Helena area:

PM2.5 - 9 Good

Enjoy your outdoor activities.

Other Pollutants:

OZONE - 6 Good

Daily Air Quality Forecast for St. Helena, California

Primary Pollutant: PM2.5 - 39 Good

Primary Pollutant: PM2.5 - 44 Good

Primary Pollutant: PM2.5 - 0 Good

Primary Pollutant: PM2.5 - 0 Good

Primary Pollutant: PM2.5 - 0 Good

Primary Pollutant: PM2.5 - 0 Good