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  4. Alameda County

Alameda County

California

2026-05-31 04:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
60.5
PM2.5
μg/m³
11.4
PM10
μg/m³
13
NO2
μg/m³
11.8
CO
μg/m³
458.3
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
15℃
65%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 22
Albany
AQI 20
Berkeley
AQI 20
Castro Valley
AQI 15
Dublin
AQI 15
Emeryville
AQI 22
Fairview
AQI 15
Fremont
AQI 15
Hayward
AQI 21
Livermore
AQI 20
Newark
AQI 15
Oakland
AQI 21
Piedmont
AQI 22
Pleasanton
AQI 15
San Leandro
AQI 15
San Lorenzo
AQI 15
Sunol
AQI 15
Union City
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 20
Sunol
AQI 15
Pleasanton
AQI 15
Dublin
AQI 15
Fremont
AQI 15
Milpitas
AQI 9
Mountain House
AQI 13
East Foothills
AQI 15
Alum Rock
AQI 15
Union City
AQI 15
Blackhawk
AQI 15