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  4. Alameda County

Alameda County

California

2026-05-24 21:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
70.4
PM2.5
μg/m³
4.6
PM10
μg/m³
17
CO
μg/m³
354.2
NO2
μg/m³
4.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
23℃
46%
24 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 12
Albany
AQI 12
Berkeley
AQI 26
Castro Valley
AQI 34
Dublin
AQI 28
Emeryville
AQI 12
Fairview
AQI 34
Fremont
AQI 28
Hayward
AQI 36
Livermore
AQI 31
Newark
AQI 17
Oakland
AQI 34
Piedmont
AQI 34
Pleasanton
AQI 28
San Leandro
AQI 34
San Lorenzo
AQI 34
Sunol
AQI 28
Union City
AQI 28
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 31
Sunol
AQI 28
Pleasanton
AQI 28
Dublin
AQI 28
Fremont
AQI 28
Milpitas
AQI 23
Mountain House
AQI 28
East Foothills
AQI 23
Alum Rock
AQI 23
Union City
AQI 28
Blackhawk
AQI 28