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Primary air pollutant in the Salem area:
OZONE - 47 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 24 Good
Primary Pollutant: PM2.5 - 60 Moderate
Secondary Pollutant: OZONE - 55 Moderate
Primary Pollutant: OZONE - 55 Moderate
Secondary Pollutant: PM2.5 - 55 Moderate