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  4. Alameda County

Alameda County

California

2026-09-12 20:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.5
O3
μg/m³
83.8
CO
μg/m³
437.5
PM10
μg/m³
3
NO2
μg/m³
5.1
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
26℃
34%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • CO
  • PM10
  • NO2
  • SO2
Places included
Alameda
AQI 45
Albany
AQI 28
Berkeley
AQI 31
Castro Valley
AQI 52
Dublin
AQI 52
Emeryville
AQI 45
Fairview
AQI 52
Fremont
AQI 34
Hayward
AQI 52
Livermore
AQI 52
Newark
AQI 34
Oakland
AQI 53
Piedmont
AQI 45
Pleasanton
AQI 52
San Leandro
AQI 52
San Lorenzo
AQI 52
Sunol
AQI 52
Union City
AQI 34
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 34
Milpitas
AQI 60
Mountain House
AQI 17
East Foothills
AQI 56
Alum Rock
AQI 56
Union City
AQI 34
Blackhawk
AQI 45