AQI Forecast By County
Thursday, May 05
Thu Fri
El Dorado
43
43
Placer
42
41
Sacramento
43
44
Yolo-Solano
39
40

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


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
Thu. May 05, 2016:
 43 
Ozone    
Fri. May 06, 2016:
 44 
Ozone    
 
Extended Forecast: Condition Pollutant
Sat. May 07, 2016:
Good  Good
Ozone    
Sun. May 08, 2016:
Good  Good
Ozone    
Mon. May 09, 2016:
Moderate  Moderate
Ozone    
Tue. May 10, 2016:   Ozone    
 
Actual: AQI   Pollutant
Wed. May 04, 2016:
 42 
Ozone    

Weather Conditions:
Wednesday through Friday, light onshore winds each day will limit pollutant dispersion. However, an upper-level trough of low pressure over California will enhance vertical mixing, and mostly cloudy skies and cooler temperatures will inhibit ozone formation. As a result, ozone levels will be Good on all three days.