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  4. Alameda County

Alameda County

California

2026-05-30 18:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
59.7
PM2.5
μg/m³
5.7
PM10
μg/m³
6
NO2
μg/m³
10.8
CO
μg/m³
437.5
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
21℃
51%
10 kph
8 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 10
Albany
AQI 9
Berkeley
AQI 19
Castro Valley
AQI 5
Dublin
AQI 10
Emeryville
AQI 10
Fairview
AQI 5
Fremont
AQI 10
Hayward
AQI 20
Livermore
AQI 18
Newark
AQI 10
Oakland
AQI 20
Piedmont
AQI 10
Pleasanton
AQI 10
San Leandro
AQI 5
San Lorenzo
AQI 5
Sunol
AQI 10
Union City
AQI 10
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 18
Sunol
AQI 10
Pleasanton
AQI 10
Dublin
AQI 10
Fremont
AQI 10
Milpitas
AQI 5
Mountain House
AQI 6
East Foothills
AQI 5
Alum Rock
AQI 5
Union City
AQI 10
Blackhawk
AQI 10