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AQI Forecast by County
Monday, October 02
Mon Tue
El Dorado
44
48
Placer
43
49
Sacramento
45
49
Yolo-Solano
43
45

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
Mon. October 02, 2023:
 45 
Ozone    
Tue. October 03, 2023:
 49 
Ozone    
 
Extended Forecast: Condition Pollutant
Wed. October 04, 2023:
Moderate  Moderate
Ozone    
Thu. October 05, 2023:
Moderate  Moderate
Ozone    
Fri. October 06, 2023:
Moderate  Moderate
Ozone    
Sat. October 07, 2023:
Moderate  Moderate
Ozone    
 
Actual: AQI   Pollutant
Sun. October 01, 2023:
 29 
Ozone    

Weather Conditions:
Monday and Tuesday, calm overnight and morning winds will limit pollutant dispersion. In addition, mostly sunny skies and temperatures in the low- to mid-80s will support ozone formation. However, northwesterly winds will develop each afternoon, aiding dispersion and transporting cleaner air into the Sacramento region. As a result, ozone levels will be high-Good on both days. Wednesday, an approaching ridge of high pressure aloft will hinder atmospheric mixing, while light northwesterly winds limit dispersion. In addition, sunny skies and highs near 90F will promote ozone development, leading to low-Moderate ozone levels.