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U.S. Air Quality Summary (text)
 
AIRNow Home >> California >> Fremont
 
  • AQI Animation
  • AQI Peak
  • Ozone Peak
  • Particles Peak
AQI Animation - http://www.epa.gov/airnow/2013/20130212/anim_aqi_sanfrancisco_ca.gif
 
Legend: National Parks/Monuments National Parks/Monuments
Peak AQI - http://www.epa.gov/airnow/2013/20130212/peak_aqi_sanfrancisco_ca.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
Peak Ozone (8-hour) - http://www.epa.gov/airnow/2013/20130212/peak_o3_sanfrancisco_ca.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
Peak Particles PM<sub>2.5</sub> (24-hour) - http://www.epa.gov/airnow/2013/20130212/peak_pm25_sanfrancisco_ca.jpg
 
Legend: National Parks/Monuments National Parks/Monuments
 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
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Daily Peaks
Tuesday, February 12, 2013
Particles PM2.5
52 
 Moderate
Ozone
15 
 Good
select another date to see peak data and maps:
Note: peak data are available beginning August 1, 2010.

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