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  4. Alameda County

Alameda County

California

2026-09-15 23:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
33
O3
μg/m³
69.1
PM2.5
μg/m³
11.2
NO2
μg/m³
9.4
CO
μg/m³
437.5
SO2
μg/m³
0
Weather
  • ℃
  • ℉
27℃
40%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 10
Albany
AQI 15
Berkeley
AQI 18
Castro Valley
AQI 19
Dublin
AQI 16
Emeryville
AQI 10
Fairview
AQI 19
Fremont
AQI 20
Hayward
AQI 25
Livermore
AQI 33
Newark
AQI 20
Oakland
AQI 20
Piedmont
AQI 10
Pleasanton
AQI 16
San Leandro
AQI 19
San Lorenzo
AQI 19
Sunol
AQI 16
Union City
AQI 20
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 33
Sunol
AQI 16
Pleasanton
AQI 16
Dublin
AQI 16
Fremont
AQI 20
Milpitas
AQI 25
Mountain House
AQI 33
East Foothills
AQI 26
Alum Rock
AQI 26
Union City
AQI 20
Blackhawk
AQI 19