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  4. Alameda County

Alameda County

California

2026-05-31 02:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
66.4
PM2.5
μg/m³
8.2
PM10
μg/m³
7
CO
μg/m³
479.2
NO2
μg/m³
9.5
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
19℃
51%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 15
Albany
AQI 15
Berkeley
AQI 19
Castro Valley
AQI 12
Dublin
AQI 10
Emeryville
AQI 15
Fairview
AQI 12
Fremont
AQI 10
Hayward
AQI 22
Livermore
AQI 23
Newark
AQI 10
Oakland
AQI 21
Piedmont
AQI 15
Pleasanton
AQI 10
San Leandro
AQI 12
San Lorenzo
AQI 12
Sunol
AQI 10
Union City
AQI 10
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 23
Sunol
AQI 10
Pleasanton
AQI 10
Dublin
AQI 10
Fremont
AQI 10
Milpitas
AQI 12
Mountain House
AQI 7
East Foothills
AQI 12
Alum Rock
AQI 12
Union City
AQI 10
Blackhawk
AQI 10