tips

AQI Forecast by County
Wednesday, September 28
Wed Thu
El Dorado
49
46
Placer
50
47
Sacramento
47
48
Yolo-Solano
42
43

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


2022 Summer Smog Season (May - October)
AQI Forecast based on 2008 federal 8-hour ozone health standard*

May Region Yolo-Solano Sacramento Placer El Dorado
Sun. 5/1 44 41 44 45 44
Mon. 5/2 46 44 46 47 44
Tue. 5/3 42 40 42 46 43
Wed. 5/4 58 49 58 71 67
Thu. 5/5 48 44 48 51 51
Fri. 5/6 43 40 43 45 45
Sat. 5/7 35 32 35 38 37
Sun. 5/8 35 32 35 37 36
Mon. 5/9 37 35 37 39 38
Tue. 5/10 43 42 43 43 42
Wed. 5/11 42 40 42 42 42
Thu. 5/12 44 41 44 44 44
Fri. 5/13 54 44 54 50 50
Sat. 5/14 51 44 51 49 49
Sun. 5/15 48 41 48 54 51
Mon. 5/16 47 40 47 51 51
Tue. 5/17 67 49 67 74 71
Wed. 5/18 51 48 51 50 51
Thu. 5/19 45 41 45 44 44
Fri. 5/20 44 40 44 44 44
Sat. 5/21 50 44 50 50 50
Sun. 5/22 48 42 48 47 47
Mon. 5/23 49 42 49 49 49
Tue. 5/24 64 46 64 58 54
Wed. 5/25 105 80 105 108 105
Thu. 5/26 54 44 54 58 58
Fri. 5/27 49 41 49 50 50
Sat. 5/28 44 37 44 46 45
Sun. 5/29 46 42 46 44 46
Mon. 5/30 47 42 47 45 46
Tue. 5/31 49 44 49 48 49
June Region Yolo-Solano Sacramento Placer El Dorado
Wed. 6/1 77 61 77 84 77
Thu. 6/2 51 47 51 61 61
Fri. 6/3 44 42 44 47 47
Sat. 6/4 42 33 42 43 43
Sun. 6/5 35 30 35 37 37
Mon. 6/6 45 39 45 44 44
Tue. 6/7 51 45 51 58 58
Wed. 6/8 58 46 58 67 58
Thu. 6/9 100 84 100 100 100
Fri. 6/10 97 77 97 97 100
Sat. 6/11 64 47 64 77 74
Sun. 6/12 41 34 41 44 43
Mon. 6/13 46 43 46 44 44
Tue. 6/14 48 44 48 46 47
Wed. 6/15 58 49 58 67 67
Thu. 6/16 46 42 46 48 48
Fri. 6/17 38 31 38 41 41
Sat. 6/18 40 36 40 43 43
Sun. 6/19 48 41 48 48 48
Mon. 6/20 50 45 50 50 50
Tue. 6/21 77 51 77 80 80
Wed. 6/22 87 61 87 100 93
Thu. 6/23 77 49 77 84 84
Fri. 6/24 84 61 84 90 87
Sat. 6/25 93 71 93 108 108
Sun. 6/26 87 54 87 101 101
Mon. 6/27 87 54 87 105 105
Tue. 6/28 71 49 71 87 87
Wed. 6/29 49 44 49 61 61
Thu. 6/30 44 40 44 49 49
July Region Yolo-Solano Sacramento Placer El Dorado
Fri. 7/1 44 36 44 48 48
Sat. 7/2 40 36 40 44 43
Sun. 7/3 37 34 37 40 39
Mon. 7/4 39 31 39 41 39
Tue. 7/5 42 33 42 41 40
Wed. 7/6 35 28 35 58 37
Thu. 7/7 45 41 45 50 50
Fri. 7/8 54 46 54 67 67
Sat. 7/9 61 49 61 67 67
Sun. 7/10 97 67 97 100 100
Mon. 7/11 101 58 101 105 101
Tue. 7/12 74 44 74 84 80
Wed. 7/13 54 44 54 67 54
Thu. 7/14 54 45 54 80 77
Fri. 7/15 71 50 71 87 84
Sat. 7/16 97 67 97 108 93
Sun. 7/17 87 54 87 101 87
Mon. 7/18 80 50 80 97 87
Tue. 7/19 50 46 50 80 58
Wed. 7/20 67 44 67 84 77
Thu. 7/21 61 39 61 77 71
Fri. 7/22 58 44 58 87 80
Sat. 7/23 87 54 87 101 100
Sun. 7/24 101 71 101 119 119
Mon. 7/25 87 54 87 105 105
Tue. 7/26 71 47 71 90 90
Wed. 7/27 51 44 51 80 77
Thu. 7/28 90 61 90 101 101
Fri. 7/29 97 67 97 108 112
Sat. 7/30 74 51 74 101 93
Sun. 7/31 51 42 51 87 74
August Region Yolo-Solano Sacramento Placer El Dorado
Mon. 8/1 61 40 61 54 51
Tue. 8/2 54 45 54 67 64
Wed. 8/3 84 67 84 100 93
Thu. 8/4 77 49 77 93 90
Fri. 8/5 54 42 54 67 67
Sat. 8/6 58 46 58 67 71
Sun. 8/7 71 50 71 74 71
Mon. 8/8 58 46 58 67 67
Tue. 8/9 50 43 50 50 49
Wed. 8/10 51 44 51 64 58
Thu. 8/11 67 47 67 77 71
Fri. 8/12 74 49 74 80 77
Sat. 8/13 71 49 71 87 77
Sun. 8/14 101 61 101 105 100
Mon. 8/15 115 84 115 105 101
Tue. 8/16 126 84 126 129 126
Wed. 8/17 101 54 101 115 108
Thu. 8/18 108 77 108 115 115
Fri. 8/19 126 97 126 133 129

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