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Primary air pollutant in the Lake San Marcos area:
PM2.5 - 42 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 21 Good
OZONE - 21 Good
Primary Pollutant: OZONE - 41 Good
Secondary Pollutant: PM2.5 - 28 Good
Primary Pollutant: PM2.5 - 55 Moderate
Secondary Pollutant: OZONE - 41 Good