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AQI Forecast by County
Sunday, July 05
Sun Mon
El Dorado
84
58
Placer
84
58
Sacramento
80
50
Yolo-Solano
50
40

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


Air Quality This Year

Number of Days in Each AQI Category

AQI numbers calculated according to the latest federal ozone health standard of .075 parts per million averaged over 8 hours.
For pre-2008 values based on the prior National Ambient Air Quality Standard, click the link at the bottom of the page.
     Region    Yolo-Solano Sacramento Placer El Dorado
Maximum AQI
105
Ozone
Thu. 6/4
64
Ozone
Fri. 5/8
101
Ozone
Thu. 6/4
105
Ozone
Thu. 6/4
97
Ozone
Fri. 6/26
VeryUnhealthy 0 0 0 0 0
Unhealthy 0 0 0 0 0
UnhealthySG 2 0 1 2 0
Moderate 29 4 20 23 22
Good 33 60 43 39 42

Preliminary data, subject to revision or deletion.

View 2002-2007 historical air quality