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  4. Alameda County

Alameda County

California

2026-04-21 06:00
CAQI (Europe)
Low
Pollutants
O3
μg/m³
75.8
PM2.5
μg/m³
3.7
NO2
μg/m³
11.9
CO
μg/m³
388.9
SO2
μg/m³
0
Weather
  • ℃
  • ℉
11℃
94%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 30
Albany
AQI 29
Berkeley
AQI 31
Castro Valley
AQI 31
Dublin
AQI 29
Emeryville
AQI 30
Fairview
AQI 32
Fremont
AQI 32
Hayward
AQI 35
Livermore
AQI 27
Newark
AQI 32
Oakland
AQI 35
Piedmont
AQI 30
Pleasanton
AQI 9
San Leandro
AQI 31
San Lorenzo
AQI 33
Sunol
AQI 31
Union City
AQI 32
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 27
Sunol
AQI 31
Pleasanton
AQI 9
Dublin
AQI 29
Fremont
AQI 32
Milpitas
AQI 31
Mountain House
AQI 24
East Foothills
AQI 31
Alum Rock
AQI 31
Union City
AQI 32
Blackhawk
AQI 29