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AQI Forecast by County
Wednesday, September 30
Wed Thu
El Dorado
77
74
Placer
102
102
Sacramento
105
102
Yolo-Solano
112
112

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


Wildfire Smoke Impacts Sacramento Region
Smoke from several wildfires burning in Northern California is impacting the Sacramento region, enhancing ozone formation and increasing particle concentrations. Air quality can change quickly at different times during the day due to wind shifts and vertical mixing. If you see or smell smoke in your area you should stay indoors and avoid outdoor activities. For more information, please visit: www.sparetheair.com/wildfire.cfm

Click on current conditions or download the Sacramento Region Air Quality app for real-time air quality conditions.

Sacramento Region PM2.5 Air Quality Forecast updated by noon
Today (Wed, Sept 30)
112 AQI - Unhealthy for Sensitive Groups
Tomorrow (Thu, Oct 1)
112 AQI - Unhealthy for Sensitive Groups

Yesterday's High Extended AQI Outlook
Tue, Sept 29
140 AQI - Unhealthy for Sensitive Groups
Ozone
Fri, Oct 2
Moderate
Sat, Oct 3
Moderate
Sun, Oct 4
Moderate

Air Quality Forecast and Weather Discussion
Tuesday, light westerly winds will limit dispersion and gradually bring wildfire smoke into the Sacramento region. As a result, particle levels will be Unhealthy for Sensitive Groups, and ozone levels will be mid- to high-Moderate. Wednesday and Thursday, northwesterly winds will develop each afternoon, increasing mixing and dispersion. However, these winds will transport additional smoke into the Sacramento region, keeping particle levels Unhealthy for Sensitive Groups on both days. Ozone levels will be Moderate on both days.