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  4. Alameda County

Alameda County

California

2026-09-12 05:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.9
O3
μg/m³
58.1
PM10
μg/m³
10
NO2
μg/m³
13
CO
μg/m³
531.2
SO2
μg/m³
0
Weather
  • ℃
  • ℉
16℃
78%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 52
Albany
AQI 52
Berkeley
AQI 52
Castro Valley
AQI 56
Dublin
AQI 52
Emeryville
AQI 52
Fairview
AQI 56
Fremont
AQI 56
Hayward
AQI 56
Livermore
AQI 52
Newark
AQI 56
Oakland
AQI 54
Piedmont
AQI 52
Pleasanton
AQI 52
San Leandro
AQI 56
San Lorenzo
AQI 56
Sunol
AQI 52
Union City
AQI 56
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 52
Sunol
AQI 52
Pleasanton
AQI 52
Dublin
AQI 52
Fremont
AQI 56
Milpitas
AQI 54
Mountain House
AQI 12
East Foothills
AQI 58
Alum Rock
AQI 58
Union City
AQI 56
Blackhawk
AQI 56