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Primary air pollutant in the Lake San Marcos area:
PM2.5 - 78 Moderate
If you are unusually sensitive to particle pollution, consider reducing your activity level or shorten the amount of time you are active outdoors.
Other Pollutants:
PM10 - 34 Good
OZONE - 26 Good
Primary Pollutant: PM2.5 - 77 Moderate
Secondary Pollutant: OZONE - 35 Good
Primary Pollutant: PM2.5 - 69 Moderate
Secondary Pollutant: OZONE - 34 Good
Primary Pollutant: PM2.5 - 62 Moderate
Secondary Pollutant: OZONE - 37 Good