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San Mateo
San Mateo County, California
2024-09-21 09:00
AQI (US)
Good
Pollutants
|
Pollens
O3
μg/m³
23.6
PM2.5
μg/m³
2
NO2
μg/m³
13.1
CO
μg/m³
500
SO2
μg/m³
0.3
Pollen
5.6
Weather
℃
℃
℉
14℃
93%
15 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
O3
PM2.5
NO2
CO
SO2
Data Sources
http://www.airnow.gov/
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