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AQI Forecast by County
Thursday, July 19
Thu Fri
El Dorado
122
108
Placer
119
101
Sacramento
108
101
Yolo-Solano
67
61

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


2018 Summer Smog Season (May - October)
AQI Forecast based on 2008 federal 8-hour ozone health standard*

May Region Yolo-Solano Sacramento Placer El Dorado
Tue. 5/1 47 46 47 54 54
Wed. 5/2 49 46 49 54 54
Thu. 5/3 54 48 54 61 61
Fri. 5/4 67 51 67 67 74
Sat. 5/5 74 58 74 74 80
Sun. 5/6 51 46 51 51 61
Mon. 5/7 74 54 74 77 80
Tue. 5/8 64 50 64 74 77
Wed. 5/9 49 44 49 51 51
Thu. 5/10 67 51 67 74 80
Fri. 5/11 50 42 50 49 46
Sat. 5/12 50 44 50 50 50
Sun. 5/13 46 43 46 46 50
Mon. 5/14 44 43 44 43 44
Tue. 5/15 46 40 46 39 47
Wed. 5/16 42 42 42 39 45
Thu. 5/17 51 49 51 50 51
Fri. 5/18 49 45 49 51 49
Sat. 5/19 50 45 50 51 50
Sun. 5/20 46 44 46 49 48
Mon. 5/21 51 45 51 61 67
Tue. 5/22 44 39 44 46 47
Wed. 5/23 39 37 39 42 43
Thu. 5/24 39 38 39 45 42
Fri. 5/25 38 33 38 37 37
Sat. 5/26 51 46 51 50 51
Sun. 5/27 74 61 74 71 74
Mon. 5/28 80 61 80 74 77
Tue. 5/29 108 100 108 112 112
Wed. 5/30 50 48 50 51 51
Thu. 5/31 41 40 41 44 44
June Region Yolo-Solano Sacramento Placer El Dorado
Fri. 6/1 48 44 48 46 46
Sat. 6/2 108 93 108 100 100
Sun. 6/3 74 67 101 105 108
Mon. 6/4 93 61 93 100 87
Tue. 6/5 71 51 71 74 67
Wed. 6/6 51 48 51 54 74
Thu. 6/7 61 49 61 67 71
Fri. 6/8 71 54 71 80 87
Sat. 6/9 50 50 50 50 50
Sun. 6/10 47 44 47 46 48
Mon. 6/11 51 50 51 51 51
Tue. 6/12 105 74 105 112 108
Wed. 6/13 115 87 115 126 126
Thu. 6/14 105 80 105 115 115
Fri. 6/15 74 67 74 84 80
Sat. 6/16 49 49 49 51 51
Sun. 6/17 48 43 48 61 58
Mon. 6/18 71 50 71 80 80
Tue. 6/19 100 67 100 101 101
Wed. 6/20 93 58 93 100 100
Thu. 6/21 108 80 108 115 112
Fri. 6/22 105 67 105 108 105
Sat. 6/23 61 50 61 71 71
Sun. 6/24 67 44 67 100 100
Mon. 6/25 58 50 58 64 67
Tue. 6/26 105 77 105 112 108
Wed. 6/27 67 50 67 84 80
Thu. 6/28 93 80 93 105 105
Fri. 6/29 67 54 67 87 84
Sat. 6/30 51 44 51 67 71
July Region Yolo-Solano Sacramento Placer El Dorado
Sun. 7/1 77 47 77 93 90
Mon. 7/2 100 51 100 101 101
Tue. 7/3 101 54 101 108 101
Wed. 7/4 100 51 100 108 108
Thu. 7/5 101 51 101 119 122
Fri. 7/6 93 51 93 105 105
Sat. 7/7 84 50 84 97 93
Sun. 7/8 74 46 74 90 93
Mon. 7/9 64 45 64 71 74
Tue. 7/10 74 47 74 93 93
Wed. 7/11 84 64 84 101 101
Thu. 7/12 74 50 74 84 84
Fri. 7/13 101 51 101 112 112
Sat. 7/14 101 61 101 108 105
Sun. 7/15 100 77 100 101 101
Mon. 7/16 101 77 101 119 115
Tue. 7/17 108 84 108 119 115
Wed. 7/18 105 84 105 126 126
Thu. 7/19 108 67 108 119 122

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