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  4. Alameda County

Alameda County

California

2026-05-24 22:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
70.4
PM10
μg/m³
14
PM2.5
μg/m³
4.2
CO
μg/m³
395.8
NO2
μg/m³
5.3
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
23℃
46%
24 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 5
Albany
AQI 5
Berkeley
AQI 20
Castro Valley
AQI 5
Dublin
AQI 9
Emeryville
AQI 5
Fairview
AQI 5
Fremont
AQI 9
Hayward
AQI 25
Livermore
AQI 23
Newark
AQI 9
Oakland
AQI 22
Piedmont
AQI 5
Pleasanton
AQI 9
San Leandro
AQI 5
San Lorenzo
AQI 5
Sunol
AQI 9
Union City
AQI 9
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 23
Sunol
AQI 9
Pleasanton
AQI 9
Dublin
AQI 9
Fremont
AQI 9
Milpitas
AQI 9
Mountain House
AQI 14
East Foothills
AQI 9
Alum Rock
AQI 9
Union City
AQI 9
Blackhawk
AQI 9