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Primary air pollutant in the Grand Terrace area:
PM2.5 - 68 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 - 55 Moderate
OZONE - 35 Good
Primary Pollutant: OZONE - 151 Unhealthy
Secondary Pollutant: PM2.5 - 62 Moderate
Secondary Pollutant: PM10 - 49 Good
Secondary Pollutant: CO - 5 Good
Secondary Pollutant: NO2 - 23 Good