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  4. Alameda County

Alameda County

California

2026-09-14 21:00
AQI (US)
Good
Pollutants|Pollens
PM10
μg/m³
38
O3
μg/m³
72.9
PM2.5
μg/m³
5.5
NO2
μg/m³
13.7
CO
μg/m³
468.8
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
29℃
29%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 52
Albany
AQI 34
Berkeley
AQI 34
Castro Valley
AQI 28
Dublin
AQI 28
Emeryville
AQI 52
Fairview
AQI 28
Fremont
AQI 6
Hayward
AQI 37
Livermore
AQI 36
Newark
AQI 6
Oakland
AQI 48
Piedmont
AQI 52
Pleasanton
AQI 28
San Leandro
AQI 28
San Lorenzo
AQI 28
Sunol
AQI 39
Union City
AQI 6
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 36
Sunol
AQI 39
Pleasanton
AQI 28
Dublin
AQI 28
Fremont
AQI 6
Milpitas
AQI 39
Mountain House
AQI 36
East Foothills
AQI 39
Alum Rock
AQI 17
Union City
AQI 6
Blackhawk
AQI 23