
AQI Forecast by County
Friday, January 22
Fri | Sat | |
Placer | 33 | 57 |
Sacramento | 59 | 72 |
Yolo-Solano | 38 | 50 |
Air Quality 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 |
192
OzoneThu. 8/20 |
119
OzoneMon. 10/26 |
150
OzoneFri. 8/21 |
192
OzoneThu. 8/20 |
190
OzoneThu. 8/20 |
VeryUnhealthy | 0 | 0 | 0 | 0 | 0 |
Unhealthy | 4 | 0 | 0 | 3 | 4 |
UnhealthySG | 29 | 5 | 13 | 23 | 13 |
Moderate | 92 | 36 | 78 | 86 | 77 |
Good | 59 | 143 | 93 | 72 | 88 |
Preliminary data, subject to revision or deletion.