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  5. Alpine

Alpine

San Diego County, California

2026-06-18 12:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.4
O3
μg/m³
49.3
PM10
μg/m³
18
Weather
  • ℃
  • ℉
15℃
81%
1 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
Places included
Alpine
AQI 51
Data Sources
http://www.airnow.gov/

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