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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


2021 Summer Smog Season (May - October)
AQI Forecast based on 2008 federal 8-hour ozone health standard*

May Region Yolo-Solano Sacramento Placer El Dorado
Sat. 5/1 44 39 44 42 43
Sun. 5/2 44 39 44 42 43
Mon. 5/3 41 40 41 39 39
Tue. 5/4 49 43 49 46 47
Wed. 5/5 84 51 84 93 67
Thu. 5/6 47 42 47 51 51
Fri. 5/7 45 43 45 43 43
Sat. 5/8 47 44 47 46 49
Sun. 5/9 50 45 50 48 49
Mon. 5/10 48 44 48 48 47
Tue. 5/11 64 48 64 67 61
Wed. 5/12 84 58 84 90 90
Thu. 5/13 90 51 90 100 100
Fri. 5/14 51 43 51 67 64
Sat. 5/15 47 43 47 49 49

* Forecast values displayed are the next-day forecasts for that date, meaning they were issued on the previous day.