AQI Forecast By County
Tuesday, January 24
Tue Wed
Placer
50
63
Sacramento
66
93
Yolo-Solano
57
63

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


2016 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 58 49 58 61 54
Mon. 5/2 58 50 58 61 58
Tue. 5/3 50 48 50 50 50
Wed. 5/4 44 44 44 45 46
Thu. 5/5 43 39 43 42 43
Fri. 5/6 45 44 45 44 44
Sat. 5/7 47 46 47 46 47
Sun. 5/8 54 51 54 51 51
Mon. 5/9 58 51 58 54 51
Tue. 5/10 74 61 74 71 67
Wed. 5/11 100 93 100 100 100
Thu. 5/12 108 100 108 115 115
Fri. 5/13 84 46 84 100 100
Sat. 5/14 51 43 51 61 64
Sun. 5/15 67 54 67 67 71
Mon. 5/16 46 48 46 47 49
Tue. 5/17 44 44 44 44 46
Wed. 5/18 74 54 74 80 84
Thu. 5/19 51 44 51 54 54
Fri. 5/20 44 40 44 44 45
Sat. 5/21 43 40 43 44 45
Sun. 5/22 48 41 48 49 49
Mon. 5/23 47 46 47 48 48
Tue. 5/24 44 44 44 44 46
Wed. 5/25 44 41 44 44 47
Thu. 5/26 61 47 61 61 64
Fri. 5/27 49 44 49 49 51
Sat. 5/28 50 45 50 51 54
Sun. 5/29 93 61 93 93 97
Mon. 5/30 101 74 101 101 101
Tue. 5/31 119 80 119 112 115
June Region Yolo-Solano Sacramento Placer El Dorado
Wed. 6/1 112 74 112 119 122
Thu. 6/2 126 97 126 126 133
Fri. 6/3 126 93 126 126 133
Sat. 6/4 129 84 129 115 133
Sun. 6/5 115 80 115 105 119
Mon. 6/6 100 64 100 93 100
Tue. 6/7 87 50 87 77 90
Wed. 6/8 74 46 74 67 77
Thu. 6/9 51 40 51 51 51
Fri. 6/10 50 39 50 50 51
Sat. 6/11 50 40 50 49 54
Sun. 6/12 93 58 93 100 100
Mon. 6/13 58 47 58 74 80
Tue. 6/14 50 44 50 50 50
Wed. 6/15 42 40 42 44 45
Thu. 6/16 44 39 44 46 48
Fri. 6/17 48 42 48 49 50
Sat. 6/18 67 46 67 64 77
Sun. 6/19 90 51 90 77 90
Mon. 6/20 108 67 108 101 108
Tue. 6/21 100 51 100 93 100
Wed. 6/22 119 100 119 105 119
Thu. 6/23 90 54 90 97 101
Fri. 6/24 67 46 67 67 74
Sat. 6/25 93 49 93 87 87
Sun. 6/26 97 67 97 100 101
Mon. 6/27 122 77 122 119 119
Tue. 6/28 122 80 122 119 122
Wed. 6/29 101 67 101 100 101
Thu. 6/30 115 80 115 133 133
July Region Yolo-Solano Sacramento Placer El Dorado
Fri. 7/1 115 67 115 133 133
Sat. 7/2 108 61 108 126 126
Sun. 7/3 100 51 100 105 105
Mon. 7/4 80 44 80 87 74
Tue. 7/5 71 41 71 77 77
Wed. 7/6 58 44 58 84 77
Thu. 7/7 48 43 48 49 54
Fri. 7/8 49 42 49 54 58
Sat. 7/9 44 37 44 49 46
Sun. 7/10 50 38 50 45 49
Mon. 7/11 42 37 42 44 50
Tue. 7/12 51 47 51 54 61
Wed. 7/13 64 51 64 80 84
Thu. 7/14 112 84 112 115 119
Fri. 7/15 126 77 126 126 126
Sat. 7/16 84 58 84 90 100
Sun. 7/17 67 50 67 74 80
Mon. 7/18 48 46 48 51 67
Tue. 7/19 51 46 51 58 61
Wed. 7/20 54 44 54 61 58
Thu. 7/21 61 46 61 64 67
Fri. 7/22 100 51 100 93 93
Sat. 7/23 101 51 101 105 112
Sun. 7/24 108 49 108 112 112
Mon. 7/25 100 50 100 101 97
Tue. 7/26 126 80 126 129 126
Wed. 7/27 126 74 126 133 140
Thu. 7/28 126 84 126 126 133
Fri. 7/29 129 93 129 133 133
Sat. 7/30 126 84 126 133 133
Sun. 7/31 100 61 100 108 101
August Region Yolo-Solano Sacramento Placer El Dorado
Mon. 8/1 80 54 80 87 80
Tue. 8/2 74 50 74 80 93
Wed. 8/3 101 67 101 105 115
Thu. 8/4 74 61 74 80 87
Fri. 8/5 61 54 61 67 74
Sat. 8/6 54 49 54 67 67
Sun. 8/7 67 61 67 77 80
Mon. 8/8 87 64 87 100 90
Tue. 8/9 77 51 77 93 90
Wed. 8/10 87 61 87 97 97
Thu. 8/11 105 67 105 105 115
Fri. 8/12 115 74 115 119 129
Sat. 8/13 126 100 126 115 133
Sun. 8/14 100 67 100 101 108
Mon. 8/15 93 74 93 100 101
Tue. 8/16 101 74 101 105 108
Wed. 8/17 105 74 105 108 119
Thu. 8/18 126 77 126 133 133
Fri. 8/19 93 58 93 105 112
Sat. 8/20 90 51 90 87 101
Sun. 8/21 61 43 61 80 100
Mon. 8/22 67 44 67 87 100
Tue. 8/23 87 46 87 97 100
Wed. 8/24 101 54 101 101 105
Thu. 8/25 80 54 80 93 100
Fri. 8/26 71 44 71 84 87
Sat. 8/27 90 58 90 100 97
Sun. 8/28 67 49 67 100 90
Mon. 8/29 48 44 48 64 67
Tue. 8/30 67 48 67 80 84
Wed. 8/31 50 44 50 61 77
September Region Yolo-Solano Sacramento Placer El Dorado
Thu. 9/1 64 45 64 67 93
Fri. 9/2 74 46 74 77 90
Sat. 9/3 50 42 50 64 58
Sun. 9/4 50 44 50 61 67
Mon. 9/5 67 49 67 74 77
Tue. 9/6 87 58 87 84 93
Wed. 9/7 105 67 105 101 105
Thu. 9/8 101 74 101 101 105
Fri. 9/9 105 71 105 105 108
Sat. 9/10 108 64 108 119 122
Sun. 9/11 64 51 64 67 74
Mon. 9/12 48 42 48 50 50
Tue. 9/13 47 45 47 47 50
Wed. 9/14 51 46 51 51 67
Thu. 9/15 71 49 71 64 67
Fri. 9/16 87 61 87 80 97
Sat. 9/17 105 74 105 101 108
Sun. 9/18 136 93 136 133 140
Mon. 9/19 100 61 100 100 97
Tue. 9/20 67 46 67 93 100
Wed. 9/21 50 44 50 58 67
Thu. 9/22 40 37 40 42 46
Fri. 9/23 46 41 46 46 49
Sat. 9/24 45 44 45 49 50
Sun. 9/25 93 51 93 93 97
Mon. 9/26 115 84 115 112 119
Tue. 9/27 129 101 129 133 133
Wed. 9/28 84 51 84 100 115
Thu. 9/29 67 51 67 93 100
Fri. 9/30 44 39 44 46 50
October Region Yolo-Solano Sacramento Placer El Dorado
Sat. 10/1 41 36 41 38 50
Sun. 10/2 40 34 40 37 44
Mon. 10/3 39 35 39 37 44
Tue. 10/4 48 40 48 48 50
Wed. 10/5 44 39 44 43 44
Thu. 10/6 46 38 46 46 48
Fri. 10/7 51 46 51 51 61
Sat. 10/8 84 61 84 77 84
Sun. 10/9 77 61 77 67 84
Mon. 10/10 61 50 61 58 67
Tue. 10/11 50 44 50 49 49
Wed. 10/12 48 41 48 48 50
Thu. 10/13 41 37 41 40 43
Fri. 10/14 31 30 31 34 44
Sat. 10/15 28 25 28 31 39
Sun. 10/16 23 22 23 30 30
Mon. 10/17 38 37 38 41 44
Tue. 10/18 44 43 44 42 49
Wed. 10/19 51 48 51 54 58
Thu. 10/20 51 49 51 50 61
Fri. 10/21 64 51 64 61 51
Sat. 10/22 48 44 48 50 50
Sun. 10/23 48 41 48 46 50
Mon. 10/24 39 35 39 39 43
Tue. 10/25 35 35 35 39 44
Wed. 10/26 41 38 41 40 44
Thu. 10/27 39 37 39 39 40
Fri. 10/28 35 32 35 34 31
Sat. 10/29 35 32 35 34 32
Sun. 10/30 30 28 30 30 31
Mon. 10/31 35 31 35 32 35

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