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Primary air pollutant in the Salem area:
OZONE - 38 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 34 Good
Primary Pollutant: OZONE - 40 Good
Secondary Pollutant: PM2.5 - 40 Good
Primary Pollutant: OZONE - 55 Moderate
Secondary Pollutant: PM2.5 - 50 Good