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The map below is a 1-hour snapshot. Click to view all hours recorded since midnight.
Current map

AQI Forecast By County
Friday, May 29
Fri Sat
El Dorado
74
80
Placer
74
77
Sacramento
77
84
Yolo-Solano
49
50


Forecast will be issued daily by noon (PDT)

A "!" next to a forecast means a Spare The Air Day has been declared for that day.
 
Forecast: AQI   Pollutant
Fri. May 29, 2015:
 77 
Ozone    
Sat. May 30, 2015:
 84 
Ozone    
 
Extended Forecast: Condition Pollutant
Sun. May 31, 2015:
Good  Good
Ozone    
Mon. June 01, 2015:
Good  Good
Ozone    
Tue. June 02, 2015:
Good  Good
Ozone    
Wed. June 03, 2015:   Ozone    
 
Actual: AQI   Pollutant
Thu. May 28, 2015:
 42 
Ozone    

Weather Conditions:
Thursday through Saturday, as a weak upper-level ridge of high pressure builds over California, mostly sunny skies and temperatures in the mid-80s will enhance ozone formation in the Sacramento region. Therefore, despite light to moderate onshore winds dispersing pollutants each afternoon, ozone levels will be Moderate on all three days.