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  5. Lake San Marcos

Lake San Marcos

San Diego County, California

2026-01-21 04:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
11.3
PM10
μg/m³
19
Weather
  • ℃
  • ℉
14℃
72%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Data Sources
http://www.airnow.gov/

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