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  4. Alameda County

Alameda County

California

2026-09-15 05:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
49.8
PM2.5
μg/m³
10.6
PM10
μg/m³
9
NO2
μg/m³
12.5
CO
μg/m³
437.5
SO2
μg/m³
0
Weather
  • ℃
  • ℉
16℃
67%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 15
Albany
AQI 12
Berkeley
AQI 13
Castro Valley
AQI 20
Dublin
AQI 9
Emeryville
AQI 15
Fairview
AQI 20
Fremont
AQI 19
Hayward
AQI 20
Livermore
AQI 19
Newark
AQI 19
Oakland
AQI 18
Piedmont
AQI 15
Pleasanton
AQI 9
San Leandro
AQI 20
San Lorenzo
AQI 20
Sunol
AQI 9
Union City
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 19
Sunol
AQI 9
Pleasanton
AQI 9
Dublin
AQI 9
Fremont
AQI 19
Milpitas
AQI 10
Mountain House
AQI 9
East Foothills
AQI 12
Alum Rock
AQI 12
Union City
AQI 19
Blackhawk
AQI 10