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AQI Forecast by County
Monday, June 21
Mon Tue
El Dorado
71
58
Placer
80
61
Sacramento
58
51
Yolo-Solano
45
43

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
Sun. 5/16 43 38 43 45 45
Mon. 5/17 48 44 48 51 51
Tue. 5/18 54 47 54 64 64
Wed. 5/19 46 42 46 49 48
Thu. 5/20 40 36 40 38 39
Fri. 5/21 43 38 43 43 44
Sat. 5/22 47 44 47 49 48
Sun. 5/23 61 48 61 67 61
Mon. 5/24 67 46 67 74 71
Tue. 5/25 48 44 48 46 47
Wed. 5/26 51 47 51 61 61
Thu. 5/27 54 44 54 64 61
Fri. 5/28 74 54 74 84 84
Sat. 5/29 84 50 84 100 90
Sun. 5/30 119 90 119 115 108
Mon. 5/31 101 101 101 90 93
June Region Yolo-Solano Sacramento Placer El Dorado
Tue. 6/1 67 44 67 108 93
Wed. 6/2 101 54 101 108 101
Thu. 6/3 100 54 100 105 100
Fri. 6/4 87 48 87 100 90
Sat. 6/5 71 46 71 87 80
Sun. 6/6 67 44 67 77 67
Mon. 6/7 49 41 49 50 48
Tue. 6/8 45 40 45 48 45
Wed. 6/9 44 40 44 44 43
Thu. 6/10 51 44 51 54 51

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