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  4. Alameda County

Alameda County

California

2026-05-26 23:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
66.8
PM10
μg/m³
10
PM2.5
μg/m³
4.4
CO
μg/m³
281.2
NO2
μg/m³
2.6
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
18℃
54%
20 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 9
Albany
AQI 9
Berkeley
AQI 9
Castro Valley
AQI 5
Dublin
AQI 6
Emeryville
AQI 9
Fairview
AQI 5
Fremont
AQI 6
Hayward
AQI 22
Livermore
AQI 21
Newark
AQI 8
Oakland
AQI 21
Piedmont
AQI 9
Pleasanton
AQI 6
San Leandro
AQI 5
San Lorenzo
AQI 5
Sunol
AQI 6
Union City
AQI 6
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 21
Sunol
AQI 6
Pleasanton
AQI 6
Dublin
AQI 6
Fremont
AQI 6
Milpitas
AQI 8
Mountain House
AQI 10
East Foothills
AQI 9
Alum Rock
AQI 9
Union City
AQI 6
Blackhawk
AQI 6