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AQI Forecast by County
Wednesday, March 22
Wed Thu
Placer
38
33
Sacramento
46
42
Yolo-Solano
42
38

Air Quality Map
The map below is a 1-hour snapshot. Click to view all hours recorded since midnight.
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Sacramento Region PM2.5 Air Quality Forecast updated by noon
Today (Wed, Mar 22)
46 AQI - Good
Tomorrow (Thu, Mar 23)
42 AQI - Good

Yesterday's High Extended AQI Outlook
Tue, Mar 21
44 AQI - Good
Ozone
Fri, Mar 24
Good
Sat, Mar 25
Good
Sun, Mar 26
Good

Air Quality Forecast and Weather Discussion
Tuesday, as the next storm system enters the Sacramento region, widespread rain showers and gusty winds will effectively disperse pollutants. Therefore, particle levels will be Good. Wednesday, surface winds will weaken, limiting pollutant dispersion. However, upper-level low pressure will remain over northern California, enhancing atmospheric mixing. In addition, pollutant carryover from previous days will be low, leading to high-Good particle levels. Thursday, light to moderate southwesterly winds behind the departing low pressure system will disperse pollutants and transport clean air into the Sacramento region, keeping particle levels Good.