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San Mateo

San Mateo County, California

2025-01-08 22:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
77.1
NO2
μg/m³
5.8
PM2.5
μg/m³
4
CO
μg/m³
125
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
17℃
37%
9 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • PM2.5
  • CO
  • SO2
Data Sources
http://www.airnow.gov/

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