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  4. Alameda County

Alameda County

California

2026-05-27 18:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.2
O3
μg/m³
52
NO2
μg/m³
12.7
CO
μg/m³
395.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
19℃
54%
6 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 23
Albany
AQI 23
Berkeley
AQI 23
Castro Valley
AQI 28
Dublin
AQI 23
Emeryville
AQI 23
Fairview
AQI 28
Fremont
AQI 23
Hayward
AQI 28
Livermore
AQI 23
Newark
AQI 17
Oakland
AQI 26
Piedmont
AQI 23
Pleasanton
AQI 23
San Leandro
AQI 28
San Lorenzo
AQI 28
Sunol
AQI 23
Union City
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 23
Sunol
AQI 23
Pleasanton
AQI 23
Dublin
AQI 23
Fremont
AQI 23
Milpitas
AQI 68
Mountain House
AQI 26
East Foothills
AQI 39
Alum Rock
AQI 39
Union City
AQI 23
Blackhawk
AQI 23