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  4. Alameda County

Alameda County

California

2026-09-15 10:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.1
O3
μg/m³
41
PM10
μg/m³
16
NO2
μg/m³
11.7
CO
μg/m³
375
SO2
μg/m³
0
Weather
  • ℃
  • ℉
12℃
79%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda
AQI 45
Albany
AQI 50
Berkeley
AQI 56
Castro Valley
AQI 54
Dublin
AQI 45
Emeryville
AQI 45
Fairview
AQI 54
Fremont
AQI 39
Hayward
AQI 54
Livermore
AQI 45
Newark
AQI 39
Oakland
AQI 53
Piedmont
AQI 45
Pleasanton
AQI 45
San Leandro
AQI 54
San Lorenzo
AQI 54
Sunol
AQI 45
Union City
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Livermore
AQI 45
Sunol
AQI 45
Pleasanton
AQI 45
Dublin
AQI 45
Fremont
AQI 39
Milpitas
AQI 52
Mountain House
AQI 17
East Foothills
AQI 58
Alum Rock
AQI 58
Union City
AQI 39
Blackhawk
AQI 39