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  4. Alameda County

Alameda County

California

2026-03-12 01:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
73.1
PM10
μg/m³
13
NO2
μg/m³
18.9
PM2.5
μg/m³
5.1
CO
μg/m³
541.7
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
15℃
67%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Alameda
AQI 16
Albany
AQI 5
Berkeley
AQI 17
Castro Valley
AQI 6
Dublin
AQI 8
Emeryville
AQI 9
Fairview
AQI 6
Fremont
AQI 8
Hayward
AQI 29
Livermore
AQI 25
Newark
AQI 5
Oakland
AQI 22
Piedmont
AQI 16
Pleasanton
AQI 14
San Leandro
AQI 6
San Lorenzo
AQI 6
Sunol
AQI 8
Union City
AQI 8
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 25
Sunol
AQI 8
Pleasanton
AQI 14
Dublin
AQI 8
Fremont
AQI 8
Milpitas
AQI 18
Mountain House
AQI 13
East Foothills
AQI 3
Alum Rock
AQI 3
Union City
AQI 8
Blackhawk
AQI 8