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  2. United States
  3. California
  4. San Diego County
  5. National City

National City

San Diego County, California

2025-12-30 09:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
4.5
PM10
μg/m³
12
Weather
  • ℃
  • ℉
17℃
38%
22 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
Data Sources
http://www.airnow.gov/

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