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  3. California
  4. San Mateo County

San Mateo County

California

2025-12-16 16:00
AQI (India)
Good
Pollutants|Pollens
CO
μg/m³
875
NO2
μg/m³
28.1
PM2.5
μg/m³
11.3
O3
μg/m³
0
Weather
  • ℃
  • ℉
10℃
93%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • CO
  • NO2
  • PM2.5
  • O3
Places included
Atherton
AQI 19
Belmont
AQI 19
Brisbane
AQI 20
Broadmoor
AQI 20
Burlingame
AQI 19
Colma
AQI 20
Daly City
AQI 20
East Palo Alto
AQI 19
El Granada
AQI 19
Emerald Hills
AQI 19
Foster City
AQI 19
Half Moon Bay
AQI 19
Highlands-Baywood Park
AQI 19
Hillsborough
AQI 19
La Honda
AQI 19
Menlo Park
AQI 19
Millbrae
AQI 20
Montara
AQI 20
Moss Beach
AQI 19
North Fair Oaks
AQI 19
Pacifica
AQI 20
Pescadero
AQI 19
Portola Valley
AQI 19
Redwood City
AQI 44
San Bruno
AQI 20
San Carlos
AQI 19
San Mateo
AQI 19
South San Francisco
AQI 20
West Menlo Park
AQI 19
Woodside
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

Half Moon Bay
AQI 19
El Granada
AQI 19
Highlands-Baywood Park
AQI 19
Emerald Hills
AQI 19
Woodside
AQI 19
Moss Beach
AQI 19
Belmont
AQI 19
San Carlos
AQI 19
Redwood City
AQI 44
Portola Valley
AQI 19
Hillsborough
AQI 19