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  4. Alameda County

Alameda County

California

2026-05-22 23:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.3
O3
μg/m³
79.8
PM10
μg/m³
17
NO2
μg/m³
11.4
CO
μg/m³
500
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
28℃
35%
26 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 28
Albany
AQI 28
Berkeley
AQI 32
Castro Valley
AQI 50
Dublin
AQI 56
Emeryville
AQI 28
Fairview
AQI 50
Fremont
AQI 56
Hayward
AQI 50
Livermore
AQI 56
Newark
AQI 17
Oakland
AQI 50
Piedmont
AQI 28
Pleasanton
AQI 56
San Leandro
AQI 50
San Lorenzo
AQI 50
Sunol
AQI 56
Union City
AQI 56
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 56
Sunol
AQI 56
Pleasanton
AQI 56
Dublin
AQI 56
Fremont
AQI 56
Milpitas
AQI 52
Mountain House
AQI 23
East Foothills
AQI 52
Alum Rock
AQI 52
Union City
AQI 56
Blackhawk
AQI 56