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  4. San Diego County
  5. National City

National City

San Diego County, California

2025-01-31 02:00
AQI (US)
Good
Pollutants
O3
μg/m³
79.3
PM2.5
μg/m³
5.8
PM10
μg/m³
14
Weather
  • ℃
  • ℉
12℃
76%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • O3
  • PM2.5
  • PM10
Data Sources
http://www.airnow.gov/

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