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  4. Alameda County

Alameda County

California

2026-05-24 11:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
59.5
PM2.5
μg/m³
4.5
PM10
μg/m³
7
CO
μg/m³
416.7
NO2
μg/m³
6.5
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
11℃
88%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 28
Albany
AQI 28
Berkeley
AQI 28
Castro Valley
AQI 28
Dublin
AQI 23
Emeryville
AQI 28
Fairview
AQI 28
Fremont
AQI 23
Hayward
AQI 28
Livermore
AQI 23
Newark
AQI 12
Oakland
AQI 29
Piedmont
AQI 28
Pleasanton
AQI 23
San Leandro
AQI 28
San Lorenzo
AQI 28
Sunol
AQI 23
Union City
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 23
Sunol
AQI 23
Pleasanton
AQI 23
Dublin
AQI 23
Fremont
AQI 23
Milpitas
AQI 45
Mountain House
AQI 40
East Foothills
AQI 45
Alum Rock
AQI 45
Union City
AQI 23
Blackhawk
AQI 23