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  4. Alameda County

Alameda County

California

2026-09-15 01:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.7
O3
μg/m³
66.2
PM10
μg/m³
25
CO
μg/m³
468.8
NO2
μg/m³
8.3
SO2
μg/m³
0
Weather
  • ℃
  • ℉
23℃
40%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 23
Albany
AQI 50
Berkeley
AQI 50
Castro Valley
AQI 34
Dublin
AQI 23
Emeryville
AQI 23
Fairview
AQI 34
Fremont
AQI 39
Hayward
AQI 34
Livermore
AQI 38
Newark
AQI 39
Oakland
AQI 28
Piedmont
AQI 23
Pleasanton
AQI 23
San Leandro
AQI 34
San Lorenzo
AQI 34
Sunol
AQI 23
Union City
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 38
Sunol
AQI 23
Pleasanton
AQI 23
Dublin
AQI 23
Fremont
AQI 39
Milpitas
AQI 39
Mountain House
AQI 28
East Foothills
AQI 12
Alum Rock
AQI 12
Union City
AQI 39
Blackhawk
AQI 23