

AQI Forecast by County
Sunday, September 24
Sun | Mon | |
El Dorado | 63 | 50 |
Placer | 63 | 50 |
Sacramento | 59 | 46 |
Yolo-Solano | 59 | 42 |
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 .070 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 |
143
OzoneTue. 7/11 |
101
OzoneFri. 7/21 |
133
OzoneThu. 7/20 |
143
OzoneTue. 7/11 |
115
OzoneThu. 8/31 |
Hazardous | 0 | 0 | 0 | 0 | 0 |
VeryUnhealthy | 0 | 0 | 0 | 0 | 0 |
Unhealthy | 0 | 0 | 0 | 0 | 0 |
UnhealthySG | 11 | 1 | 9 | 8 | 5 |
Moderate | 76 | 22 | 50 | 75 | 65 |
Good | 50 | 111 | 78 | 54 | 61 |
Preliminary data, subject to revision or deletion.