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  4. Alameda County

Alameda County

California

2026-09-12 21:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.8
O3
μg/m³
83
PM10
μg/m³
9
CO
μg/m³
437.5
NO2
μg/m³
5.7
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
25℃
37%
32 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 28
Albany
AQI 34
Berkeley
AQI 34
Castro Valley
AQI 58
Dublin
AQI 39
Emeryville
AQI 28
Fairview
AQI 58
Fremont
AQI 52
Hayward
AQI 58
Livermore
AQI 39
Newark
AQI 52
Oakland
AQI 50
Piedmont
AQI 28
Pleasanton
AQI 39
San Leandro
AQI 58
San Lorenzo
AQI 58
Sunol
AQI 39
Union City
AQI 52
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 39
Sunol
AQI 39
Pleasanton
AQI 39
Dublin
AQI 39
Fremont
AQI 52
Milpitas
AQI 60
Mountain House
AQI 9
East Foothills
AQI 39
Alum Rock
AQI 39
Union City
AQI 52
Blackhawk
AQI 45