Home > USA > Missouri > St. Louis County > Northwoods
Primary air pollutant in the Northwoods area:
PM2.5 - 38 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 13 Good
OZONE - 30 Good
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Moderate
Primary Pollutant: PM2.5 - 0 Moderate
Secondary Pollutant: OZONE - 0 Moderate