tips


AQI Forecast by County
Saturday, June 06
Sat Sun
El Dorado
41
45
Placer
41
44
Sacramento
39
45
Yolo-Solano
32
37

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
90
Ozone
Thu. 6/4
VeryUnhealthy 0 0 0 0 0
Unhealthy 0 0 0 0 0
UnhealthySG 2 0 1 2 0
Moderate 14 3 12 10 10
Good 19 32 22 23 25

Preliminary data, subject to revision or deletion.

View 2002-2007 historical air quality