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Primary air pollutant in the Shell Knob area:
PM2.5 - 42 Good
Enjoy your outdoor activities.
Primary air pollutant in the Shell Knob area:
OZONE - 31 Good
Enjoy your outdoor activities.
Other Pollutants:
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 45 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 45 Good