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
Highest 5: U.S. Air Quality Summary | Canada Air Quality
About the Highest 5
 
  • Today's Forecasts
  • Tomorrow's Forecasts
  • Current AQI
Hanford, CA
124 
 
Bakersfield, CA
112 
 
Cowtown, AZ
110 
 
Visalia, CA
110 
 
Fresno, CA
102 
 
Hanford, CA
129 
 
Cowtown, AZ
115 
 
Bakersfield, CA
107 
 
Visalia, CA
105 
 
Fresno, CA
99 
 
Fires: Current Conditions
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Announcements

11/04/14: Updated AirNow materials in Spanish- Ozone and Your health and Guide to Air Quality for Ozone

10/15/14: Mexico City joins AirNow.