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  4. Alameda County

Alameda County

California

2026-09-21 06:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
47.1
CO
μg/m³
406.2
PM10
μg/m³
16
NO2
μg/m³
7.3
PM2.5
μg/m³
4.3
SO2
μg/m³
0
Weather
  • ℃
  • ℉
14℃
90%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • CO
  • PM10
  • NO2
  • PM2.5
  • SO2
Places included
Alameda
AQI 2
Albany
AQI 5
Berkeley
AQI 45
Castro Valley
AQI 5
Dublin
AQI 15
Emeryville
AQI 2
Fairview
AQI 5
Fremont
AQI 9
Hayward
AQI 50
Livermore
AQI 39
Newark
AQI 9
Oakland
AQI 56
Piedmont
AQI 2
Pleasanton
AQI 15
San Leandro
AQI 5
San Lorenzo
AQI 5
Sunol
AQI 15
Union City
AQI 9
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 39
Sunol
AQI 15
Pleasanton
AQI 15
Dublin
AQI 15
Fremont
AQI 9
Milpitas
AQI 10
Mountain House
AQI 16
East Foothills
AQI 15
Alum Rock
AQI 15
Union City
AQI 9
Blackhawk
AQI 15