AQI Forecast by County
Sunday, November 28
Sun Mon
Placer
84
76
Sacramento
102
93
Yolo-Solano
76
76

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
179
Ozone
Sat. 8/28
140
Ozone
Sat. 8/28
179
Ozone
Sat. 8/28
172
Ozone
Sun. 8/29
164
Ozone
Sun. 8/29
VeryUnhealthy 0 0 0 0 0
Unhealthy 5 0 3 4 2
UnhealthySG 41 3 29 31 14
Moderate 75 38 56 82 84
Good 62 142 95 66 83

Preliminary data, subject to revision or deletion.

View 2002-2007 historical air quality