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  3. California
  4. San Mateo County

San Mateo County

California

2025-02-17 01:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
64.8
NO2
μg/m³
10.8
PM2.5
μg/m³
2.4
CO
μg/m³
337.5
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
13℃
78%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Atherton
AQI 27
Belmont
AQI 27
Brisbane
AQI 28
Broadmoor
AQI 28
Burlingame
AQI 27
Colma
AQI 28
Daly City
AQI 28
East Palo Alto
AQI 27
El Granada
AQI 27
Emerald Hills
AQI 27
Foster City
AQI 27
Half Moon Bay
AQI 27
Highlands-Baywood Park
AQI 27
Hillsborough
AQI 27
La Honda
AQI 27
Menlo Park
AQI 27
Millbrae
AQI 28
Montara
AQI 28
Moss Beach
AQI 27
North Fair Oaks
AQI 27
Pacifica
AQI 28
Pescadero
AQI 27
Portola Valley
AQI 27
Redwood City
AQI 25
San Bruno
AQI 28
San Carlos
AQI 27
San Mateo
AQI 27
South San Francisco
AQI 28
West Menlo Park
AQI 27
Woodside
AQI 27
Data Sources
http://www.airnow.gov/

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Cities Nearby

Half Moon Bay
AQI 27
El Granada
AQI 27
Highlands-Baywood Park
AQI 27
Emerald Hills
AQI 27
Woodside
AQI 27
Moss Beach
AQI 27
Belmont
AQI 27
San Carlos
AQI 27
Redwood City
AQI 25
Portola Valley
AQI 27
Hillsborough
AQI 27