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AQI Forecast by County
Friday, June 22
Fri Sat
El Dorado
105
71
Placer
108
74
Sacramento
105
67
Yolo-Solano
67
50

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


Excessive Heat Friday Through the Weekend
A rapid warming and drying trend is in store this week with high pressure building over the Sacramento region, according to the National Weather Service.

High temperatures Friday into the weekend will increase the potential for poor air quality and for heat related illnesses for those exposed to prolonged time outdoors, especially the elderly, children and other sensitive groups. This includes your pets. Dry conditions with gusty north winds will increase the potential for fire starts as well.

A Spare The Air alert in the Sacramento region will be issued when the AQI for ground-level ozone pollution is forecast to reach 126 or above.

Sacramento Region Ozone Air Quality Forecast updated by noon
Today (Fri, June 22)
108 AQI - Unhealthy for Sensitive Groups
Tomorrow (Sat, June 23)
74 AQI - Moderate

Yesterday's High Extended AQI Outlook
Thu, June 21
101 AQI - Unhealthy for Sensitive Groups
Ozone
Sun, June 24
Moderate
Mon, June 25
Moderate
Tue, June 26
Moderate

Air Quality Forecast and Weather Discussion
Thursday, southwesterly winds will weaken in the Sacramento region, reducing mixing and dispersion. Furthermore, sunny and warm conditions will enhance ozone formation. Therefore, ozone levels will be Unhealthy for Sensitive Groups. Friday, calm morning winds will limit pollutant dispersion. In addition, sunny skies and temperatures in the triple digits will support ozone formation. However, light to moderate northwesterly winds will develop in the afternoon, dispersing pollutants. As a result, ozone levels will be low-Unhealthy for Sensitive Groups. Saturday, northwesterly winds will strengthen slightly, dispersing pollutants and bringing cleaner air into the Sacramento region. However, sunny and hot conditions will continue to aid ozone production, leading to Moderate ozone levels.