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  4. Alameda County

Alameda County

California

2026-05-24 15:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
62.1
PM2.5
μg/m³
4.5
PM10
μg/m³
9
CO
μg/m³
354.2
NO2
μg/m³
3.8
SO2
μg/m³
0.3
Weather
  • ℃
  • ℉
17℃
66%
15 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2
Places included
Alameda
AQI 23
Albany
AQI 23
Berkeley
AQI 26
Castro Valley
AQI 17
Dublin
AQI 39
Emeryville
AQI 23
Fairview
AQI 17
Fremont
AQI 39
Hayward
AQI 28
Livermore
AQI 39
Newark
AQI 12
Oakland
AQI 30
Piedmont
AQI 17
Pleasanton
AQI 39
San Leandro
AQI 17
San Lorenzo
AQI 17
Sunol
AQI 39
Union City
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

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