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  4. Alameda County

Alameda County

California

2025-12-17 03:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
12.5
PM10
μg/m³
15
NO2
μg/m³
28.7
CO
μg/m³
597.2
O3
μg/m³
3.5
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
9℃
81%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • CO
  • O3
  • SO2
Places included
Alameda
AQI 71
Albany
AQI 54
Berkeley
AQI 54
Castro Valley
AQI 54
Dublin
AQI 52
Emeryville
AQI 71
Fairview
AQI 54
Fremont
AQI 52
Hayward
AQI 54
Livermore
AQI 50
Newark
AQI 60
Oakland
AQI 63
Piedmont
AQI 71
Pleasanton
AQI 52
San Leandro
AQI 54
San Lorenzo
AQI 54
Sunol
AQI 52
Union City
AQI 52
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 50
Sunol
AQI 52
Pleasanton
AQI 52
Dublin
AQI 52
Fremont
AQI 52
Milpitas
AQI 58
Mountain House
AQI 39
East Foothills
AQI 52
Alum Rock
AQI 52
Union City
AQI 52
Blackhawk
AQI 52