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Air quality in San Marcos, CA

Live air quality report and air quality forecast in San Marcos

live
13 °C Fill 2Created with Sketch. 0 UV
fair
29.0 AQI
fair
29.0 AQI
Fill 2Created with Sketch.
13 °C
0 UV

Main pollutants

22.0
PM2.5
15.0
PM10
29.0
NO2
17.0
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

22.0
PM2.5
15.0
PM10
29.0
NO2
17.0
O3

Annual Average 37 AQI
Days per year at this level

Main pollutants

AQI

  • 22.0
    PM2.5
  • 15.0
    PM10
  • 29.0
    NO2
  • 17.0
    O3

µg/m³

  • 5
    PM2.5
  • 11
    PM10
  • 14
    NO2
  • 17.0
    O3
our sources

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