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AQI Forecast by County
Friday, May 24
Fri Sat
El Dorado
39
39
Placer
38
38
Sacramento
38
37
Yolo-Solano
36
36

Air Quality Map
The map below is a 1-hour snapshot. Click to view all hours recorded since midnight.
Current map


2019 Summer Smog Season (May - October)
AQI Forecast based on 2008 federal 8-hour ozone health standard*

May Region Yolo-Solano Sacramento Placer El Dorado
Wed. 5/1 67 54 67 61 67
Thu. 5/2 67 54 67 67 67
Fri. 5/3 87 74 87 87 84
Sat. 5/4 61 61 61 74 58
Sun. 5/5 50 50 50 46 49
Mon. 5/6 51 51 51 51 51
Tue. 5/7 58 51 58 58 61
Wed. 5/8 71 51 71 74 74
Thu. 5/9 51 44 51 54 51
Fri. 5/10 58 44 58 58 54
Sat. 5/11 54 43 54 61 58
Sun. 5/12 61 51 61 71 61
Mon. 5/13 61 50 61 77 54
Tue. 5/14 50 46 50 58 51
Wed. 5/15 43 42 43 45 44
Thu. 5/16 39 37 39 40 40
Fri. 5/17 48 46 48 50 49
Sat. 5/18 42 42 42 42 41
Sun. 5/19 44 37 38 41 40
Mon. 5/20 45 43 45 47 46
Tue. 5/21 44 41 44 44 44
Wed. 5/22 50 45 50 49 48
Thu. 5/23 51 49 51 58 51
Fri. 5/24 42 37 42 43 44

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