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Air quality in San Marcos, CA

Live air quality report and air quality forecast in San Marcos

live
9 °C Fill 2Created with Sketch. 0 UV
fair
46.0 AQI
fair
46.0 AQI
Fill 2Created with Sketch.
9 °C
0 UV

Main pollutants

33.0
PM2.5
22.0
PM10
46.0
NO2
8.0
O3
  • outdoor sports
  • bring baby out
  • eating outside
The air is moderately polluted. Greater than the maximum limit established for one year by WHO. A long-term exposure constitutes a health risk.

Live air quality report and air quality forecast in San Marcos

33.0
PM2.5
22.0
PM10
46.0
NO2
8.0
O3

Annual Average 37 AQI
Days per year at this level

Main pollutants

AQI

  • 33.0
    PM2.5
  • 22.0
    PM10
  • 46.0
    NO2
  • 8.0
    O3

µg/m³

  • 9
    PM2.5
  • 16
    PM10
  • 22
    NO2
  • 8.0
    O3
our sources

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