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  4. San Diego County
  5. National City

National City

San Diego County, California

2025-12-29 21:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
2.6
PM10
μg/m³
11
Weather
  • ℃
  • ℉
23℃
25%
17 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Data Sources
http://www.airnow.gov/

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