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  4. Alameda County

Alameda County

California

2026-09-18 23:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
42
O3
μg/m³
65.6
PM2.5
μg/m³
6.2
NO2
μg/m³
10.2
CO
μg/m³
468.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
25℃
49%
22 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 9
Albany
AQI 8
Berkeley
AQI 17
Castro Valley
AQI 12
Dublin
AQI 10
Emeryville
AQI 9
Fairview
AQI 12
Fremont
AQI 5
Hayward
AQI 21
Livermore
AQI 42
Newark
AQI 5
Oakland
AQI 17
Piedmont
AQI 9
Pleasanton
AQI 10
San Leandro
AQI 12
San Lorenzo
AQI 12
Sunol
AQI 10
Union City
AQI 5
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 42
Sunol
AQI 10
Pleasanton
AQI 10
Dublin
AQI 10
Fremont
AQI 5
Milpitas
AQI 12
Mountain House
AQI 42
East Foothills
AQI 26
Alum Rock
AQI 26
Union City
AQI 5
Blackhawk
AQI 9