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  4. Alameda County

Alameda County

California

2026-09-14 23:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6
O3
μg/m³
67.5
PM10
μg/m³
30
NO2
μg/m³
9.9
CO
μg/m³
468.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
27℃
28%
22 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 39
Albany
AQI 34
Berkeley
AQI 34
Castro Valley
AQI 34
Dublin
AQI 28
Emeryville
AQI 39
Fairview
AQI 34
Fremont
AQI 34
Hayward
AQI 38
Livermore
AQI 28
Newark
AQI 34
Oakland
AQI 37
Piedmont
AQI 39
Pleasanton
AQI 28
San Leandro
AQI 34
San Lorenzo
AQI 34
Sunol
AQI 28
Union City
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 28
Sunol
AQI 28
Pleasanton
AQI 28
Dublin
AQI 28
Fremont
AQI 34
Milpitas
AQI 34
Mountain House
AQI 28
East Foothills
AQI 23
Alum Rock
AQI 23
Union City
AQI 34
Blackhawk
AQI 34