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  4. Alameda County

Alameda County

California

2026-01-20 05:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.1
NO2
μg/m³
44.8
O3
μg/m³
22.2
CO
μg/m³
722.2
PM10
μg/m³
6
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
6℃
75%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • CO
  • PM10
  • SO2
Places included
Alameda
AQI 71
Albany
AQI 56
Berkeley
AQI 56
Castro Valley
AQI 39
Dublin
AQI 39
Emeryville
AQI 56
Fairview
AQI 39
Fremont
AQI 39
Hayward
AQI 39
Livermore
AQI 54
Newark
AQI 56
Oakland
AQI 58
Piedmont
AQI 71
Pleasanton
AQI 39
San Leandro
AQI 39
San Lorenzo
AQI 39
Sunol
AQI 39
Union City
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 54
Sunol
AQI 39
Pleasanton
AQI 39
Dublin
AQI 39
Fremont
AQI 39
Milpitas
AQI 64
Mountain House
AQI 28
East Foothills
AQI 66
Alum Rock
AQI 66
Union City
AQI 39
Blackhawk
AQI 39