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  4. Alameda County

Alameda County

California

2026-09-14 15:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
19
NO2
μg/m³
20.3
O3
μg/m³
31.3
PM2.5
μg/m³
4.4
CO
μg/m³
593.8
SO2
μg/m³
0
Weather
  • ℃
  • ℉
19℃
57%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • NO2
  • O3
  • PM2.5
  • CO
  • SO2
Places included
Alameda
AQI 5
Albany
AQI 6
Berkeley
AQI 9
Castro Valley
AQI 9
Dublin
AQI 5
Emeryville
AQI 5
Fairview
AQI 9
Fremont
AQI 8
Hayward
AQI 20
Livermore
AQI 19
Newark
AQI 8
Oakland
AQI 11
Piedmont
AQI 5
Pleasanton
AQI 5
San Leandro
AQI 9
San Lorenzo
AQI 9
Sunol
AQI 5
Union City
AQI 8
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 19
Sunol
AQI 5
Pleasanton
AQI 5
Dublin
AQI 5
Fremont
AQI 8
Milpitas
AQI 10
Mountain House
AQI 19
East Foothills
AQI 3
Alum Rock
AQI 3
Union City
AQI 8
Blackhawk
AQI 6