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  4. Alameda County

Alameda County

California

2026-09-13 03:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
31
O3
μg/m³
71.5
PM2.5
μg/m³
3.8
CO
μg/m³
437.5
NO2
μg/m³
6.1
SO2
μg/m³
0
Weather
  • ℃
  • ℉
16℃
73%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 5
Albany
AQI 3
Berkeley
AQI 22
Castro Valley
AQI 6
Dublin
AQI 6
Emeryville
AQI 5
Fairview
AQI 6
Fremont
AQI 8
Hayward
AQI 25
Livermore
AQI 31
Newark
AQI 8
Oakland
AQI 25
Piedmont
AQI 5
Pleasanton
AQI 6
San Leandro
AQI 6
San Lorenzo
AQI 6
Sunol
AQI 6
Union City
AQI 8
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 31
Sunol
AQI 6
Pleasanton
AQI 6
Dublin
AQI 6
Fremont
AQI 8
Milpitas
AQI 13
Mountain House
AQI 31
East Foothills
AQI 3
Alum Rock
AQI 3
Union City
AQI 8
Blackhawk
AQI 13