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  4. Alameda County

Alameda County

California

2026-09-11 17:00
AQI (US)
Moderate
Pollutants|Pollens
PM10
μg/m³
69
PM2.5
μg/m³
10.2
O3
μg/m³
57.6
NO2
μg/m³
14.2
CO
μg/m³
437.5
SO2
μg/m³
0
Weather
  • ℃
  • ℉
27℃
40%
18 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 34
Albany
AQI 45
Berkeley
AQI 45
Castro Valley
AQI 58
Dublin
AQI 56
Emeryville
AQI 34
Fairview
AQI 58
Fremont
AQI 52
Hayward
AQI 58
Livermore
AQI 58
Newark
AQI 52
Oakland
AQI 42
Piedmont
AQI 34
Pleasanton
AQI 56
San Leandro
AQI 58
San Lorenzo
AQI 58
Sunol
AQI 56
Union City
AQI 52
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 58
Sunol
AQI 56
Pleasanton
AQI 56
Dublin
AQI 56
Fremont
AQI 52
Milpitas
AQI 68
Mountain House
AQI 58
East Foothills
AQI 56
Alum Rock
AQI 56
Union City
AQI 52
Blackhawk
AQI 50