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AQI Forecast by County
Saturday, May 15
Sat Sun
El Dorado
49
45
Placer
49
45
Sacramento
46
43
Yolo-Solano
42
38

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
122
Ozone
Thu. 5/13
58
Ozone
Wed. 5/5
108
Ozone
Wed. 5/5
122
Ozone
Thu. 5/13
93
Ozone
Thu. 5/13
VeryUnhealthy 0 0 0 0 0
Unhealthy 0 0 0 0 0
UnhealthySG 2 0 1 1 0
Moderate 3 2 4 4 3
Good 8 11 8 8 10

Preliminary data, subject to revision or deletion.

View 2002-2007 historical air quality