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  4. Alameda County

Alameda County

California

2026-05-23 03:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.2
O3
μg/m³
68
PM10
μg/m³
26
NO2
μg/m³
8.1
CO
μg/m³
395.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
13℃
76%
20 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 50
Albany
AQI 50
Berkeley
AQI 50
Castro Valley
AQI 50
Dublin
AQI 28
Emeryville
AQI 50
Fairview
AQI 50
Fremont
AQI 28
Hayward
AQI 50
Livermore
AQI 28
Newark
AQI 12
Oakland
AQI 39
Piedmont
AQI 50
Pleasanton
AQI 34
San Leandro
AQI 50
San Lorenzo
AQI 50
Sunol
AQI 28
Union City
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 28
Sunol
AQI 28
Pleasanton
AQI 34
Dublin
AQI 28
Fremont
AQI 28
Milpitas
AQI 52
Mountain House
AQI 39
East Foothills
AQI 52
Alum Rock
AQI 52
Union City
AQI 28
Blackhawk
AQI 28