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San Mateo

San Mateo County, California

2024-11-25 03:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
66.4
PM2.5
μg/m³
2
CO
μg/m³
375
NO2
μg/m³
5.5
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
13℃
77%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • CO
  • NO2
  • SO2
Data Sources
http://www.airnow.gov/

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