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  4. Alameda County

Alameda County

California

2026-05-24 00:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
76.6
PM10
μg/m³
33
PM2.5
μg/m³
4.7
CO
μg/m³
458.3
NO2
μg/m³
7.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
23℃
49%
28 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 28
Albany
AQI 28
Berkeley
AQI 31
Castro Valley
AQI 23
Dublin
AQI 34
Emeryville
AQI 28
Fairview
AQI 23
Fremont
AQI 34
Hayward
AQI 36
Livermore
AQI 34
Newark
AQI 6
Oakland
AQI 36
Piedmont
AQI 23
Pleasanton
AQI 34
San Leandro
AQI 23
San Lorenzo
AQI 23
Sunol
AQI 34
Union City
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 34
Sunol
AQI 34
Pleasanton
AQI 34
Dublin
AQI 34
Fremont
AQI 34
Milpitas
AQI 45
Mountain House
AQI 31
East Foothills
AQI 45
Alum Rock
AQI 45
Union City
AQI 34
Blackhawk
AQI 34