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Primary air pollutant in the Lake San Marcos area:
OZONE - 40 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 27 Good
PM10 - 31 Good
Primary Pollutant: PM2.5 - 44 Good
Secondary Pollutant: OZONE - 38 Good
Primary Pollutant: PM2.5 - 39 Good
Secondary Pollutant: OZONE - 37 Good