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AQI Forecast by County
Saturday, October 24
Sat Sun
El Dorado
43
34
Placer
42
53
Sacramento
42
55
Yolo-Solano
36
55

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


2020 Summer Smog Season (May - October)
AQI Forecast based on 2008 federal 8-hour ozone health standard*

May Region Yolo-Solano Sacramento Placer El Dorado
Fri. 5/1 34 31 34 37 37
Sat. 5/2 38 37 39 42 41
Sun. 5/3 45 41 45 49 49
Mon. 5/4 48 44 48 54 54
Tue. 5/5 54 48 54 61 61
Wed. 5/6 50 44 50 49 50
Thu. 5/7 67 46 67 58 61
Fri. 5/8 93 74 93 93 101
Sat. 5/9 54 58 80 97 93
Sun. 5/10 54 49 54 64 64
Mon. 5/11 46 41 46 48 48
Tue. 5/12 37 32 37 41 41
Wed. 5/13 43 40 43 44 44
Thu. 5/14 50 44 50 48 48
Fri. 5/15 50 48 50 54 54
Sat. 5/16 51 37 51 58 58
Sun. 5/17 41 37 41 44 43
Mon. 5/18 40 35 40 41 42
Tue. 5/19 45 37 45 46 46
Wed. 5/20 58 42 58 51 51
Thu. 5/21 51 44 51 58 64
Fri. 5/22 43 45 43 44 44
Sat. 5/23 50 45 50 49 50
Sun. 5/24 58 48 58 64 67
Mon. 5/25 67 51 67 67 71
Tue. 5/26 100 80 100 101 105
Wed. 5/27 108 93 108 119 115
Thu. 5/28 112 84 112 126 126
Fri. 5/29 67 51 67 77 77
Sat. 5/30 44 40 44 47 47
Sun. 5/31 46 42 46 48 49
June Region Yolo-Solano Sacramento Placer El Dorado
Mon. 6/1 48 42 48 47 47
Tue. 6/2 80 51 80 74 80
Wed. 6/3 100 71 100 105 105
Thu. 6/4 97 80 97 101 100
Fri. 6/5 50 44 50 51 51
Sat. 6/6 39 32 39 41 42
Sun. 6/7 45 37 45 44 45
Mon. 6/8 47 41 47 45 47
Tue. 6/9 61 46 61 51 51
Wed. 6/10 71 49 71 77 71
Thu. 6/11 64 49 64 67 58
Fri. 6/12 44 37 44 46 45
Sat. 6/13 41 34 41 41 41
Sun. 6/14 46 40 46 45 46
Mon. 6/15 47 40 47 49 50
Tue. 6/16 54 44 54 50 51
Wed. 6/17 49 42 49 48 49
Thu. 6/18 61 46 61 54 58
Fri. 6/19 84 61 84 105 87
Sat. 6/20 74 50 74 93 93
Sun. 6/21 101 71 101 101 101
Mon. 6/22 100 67 100 101 100

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