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  5. Foster City

Foster City

San Mateo County, California

2024-06-20 21:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
64.3
NO2
μg/m³
7.8
PM2.5
μg/m³
2
CO
μg/m³
250
Weather
  • ℃
  • ℉
19℃
61%
33 kph
7 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • NO2
  • PM2.5
  • CO
Data Sources
http://www.airnow.gov/

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