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  3. California
  4. San Mateo County

San Mateo County

California

2025-12-19 12:00
AQI (India)
Good
Pollutants|Pollens
CO
μg/m³
500
PM2.5
μg/m³
10.5
O3
μg/m³
2.1
Weather
  • ℃
  • ℉
11℃
95%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • CO
  • PM2.5
  • O3
Places included
Atherton
AQI 15
Belmont
AQI 15
Brisbane
AQI 24
Broadmoor
AQI 24
Burlingame
AQI 15
Colma
AQI 24
Daly City
AQI 24
East Palo Alto
AQI 15
El Granada
AQI 15
Emerald Hills
AQI 15
Foster City
AQI 15
Half Moon Bay
AQI 15
Highlands-Baywood Park
AQI 15
Hillsborough
AQI 15
La Honda
AQI 15
Menlo Park
AQI 15
Millbrae
AQI 24
Montara
AQI 24
Moss Beach
AQI 15
North Fair Oaks
AQI 15
Pacifica
AQI 24
Pescadero
AQI 15
Portola Valley
AQI 15
Redwood City
AQI 25
San Bruno
AQI 24
San Carlos
AQI 15
San Mateo
AQI 15
South San Francisco
AQI 24
West Menlo Park
AQI 15
Woodside
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Half Moon Bay
AQI 15
El Granada
AQI 15
Highlands-Baywood Park
AQI 15
Emerald Hills
AQI 15
Woodside
AQI 15
Moss Beach
AQI 15
Belmont
AQI 15
San Carlos
AQI 15
Redwood City
AQI 25
Portola Valley
AQI 15
Hillsborough
AQI 15