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  3. California
  4. San Mateo County

San Mateo County

California

2025-12-16 14:00
AQI (India)
Good
Pollutants|Pollens
CO
μg/m³
750
NO2
μg/m³
19.9
PM2.5
μg/m³
8.8
O3
μg/m³
0
Weather
  • ℃
  • ℉
10℃
94%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • CO
  • NO2
  • PM2.5
  • O3
Places included
Atherton
AQI 12
Belmont
AQI 12
Brisbane
AQI 22
Broadmoor
AQI 22
Burlingame
AQI 12
Colma
AQI 22
Daly City
AQI 22
East Palo Alto
AQI 12
El Granada
AQI 12
Emerald Hills
AQI 12
Foster City
AQI 12
Half Moon Bay
AQI 12
Highlands-Baywood Park
AQI 12
Hillsborough
AQI 12
La Honda
AQI 12
Menlo Park
AQI 12
Millbrae
AQI 22
Montara
AQI 22
Moss Beach
AQI 12
North Fair Oaks
AQI 12
Pacifica
AQI 22
Pescadero
AQI 12
Portola Valley
AQI 12
Redwood City
AQI 38
San Bruno
AQI 22
San Carlos
AQI 12
San Mateo
AQI 12
South San Francisco
AQI 22
West Menlo Park
AQI 12
Woodside
AQI 12
Data Sources
http://www.airnow.gov/

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Cities Nearby

Half Moon Bay
AQI 12
El Granada
AQI 12
Highlands-Baywood Park
AQI 12
Emerald Hills
AQI 12
Woodside
AQI 12
Moss Beach
AQI 12
Belmont
AQI 12
San Carlos
AQI 12
Redwood City
AQI 38
Portola Valley
AQI 12
Hillsborough
AQI 12