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Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 4:00 pm PST
Jan 2019
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 12 20 35 6 0 21
C540 C540 C601 C561 C540 C1501
02 18 36 36 16 3 42
C561 C1501 C601 C561 C540 C1501
03 53 81 31 28 8 50
C561 C561 C601 C561 C540 C1501
04 53 85 30 28 7 57
C561 C561 C601 C561 C540 C1501
05 52 87 27 24 7 47
C540 C540 C601 C561 C540 C561
06 19 46 38 5 1 28
C71 C43 C1019 C561 C540 C1501
07 16 37 36 6 0 37
C71 C43 C1019 C561 C540 C1501
08 24 53 30 16 3 40
C540 C540 C601 C561 C540 C1502
09 38 64 29 9 5 48
C561 C540 C601 C1501 C540 C1502
10 44 71 33 13 6 48
C540 C540 C1019 C561 C540 C1501
11 27 49 34 7 3 40
C540 C540 C601 C1501 C540 C540
12 23 43 35 7 3 39
C540 C540 C1019 C561 C540 C1501
13 16 31 35 5 54 34
C73 C1501 C1019 C561 C540 C1501
14 17 32 31 4 28 39
C73 C1501 C601 C1501 C540 C1501
15 17 43 31 4 28 28
C73 C43 C601 C1501 C540 C1501
16 19 31 32 5 2 35
C73 C43 C1019 C1501 C540 C540
17 16 23 33 5 28 36
C73 C1501 C43 C561 C540 C1501
18 17 29 35 11 28 40
C540 C540 C601 C561 C540 C1501
19 30 60 31 17 30 36
C540 C540 C43 C561 C540 C1502
20 33 67 36 16 53 39
C540 C540 C43 C561 C540 C1501
21 30 14 41 0 28 23
C1019 C1019 C1019 C561 C540 C1502
22 16 12 46 3 54 27
C540 C540 C540 C561 C540 C540
23 25 35 35 7 3 43
C73 C540 C1019 C1501 C540 C1501
24 34 54 36 11 7 45
C540 C540 C540 C561 C540 C1501
25 26 43 36 9 4 44
C540 C540 C73 C561 C540 C1501
26 20 28 38 6 2 40
C540 C540 C71 C561 C540 C1501
27 31 60 33 15 3 46
C540 C540 C1019 C561 C540 C1502
28 32 53 34 12 5 42
C540 C540 C601 C561 C540 C561
29 26 42 32 8 4 41
C43 C43 C601 C561 C540 C1502
30 30 41 36 13 4 39
C561 C561 C601 C561 C540 C1501
31 44 61 35 13 5 47
C540 C540 C1019 C561 C540 C1501

Feb 2019
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 33 51 38 13 4 39
C540 C561 C1019 C561 C540 C1502
02 14 31 39 3 0 34
C43 C43 C43 C1501 C540 C1501
03 5 11 41 2 0 21
C561 C1501 C1019 C1501 C540 C1501
04 8 14 39 2 0 31
C540 C1501 C1019 C1501 C540 C1501
05 9 11 44 2 0 31
C561 C1501 C1019 C1501 C540 C1501
06 8 7 40 3 0 15
C43 C43 C1019 C561 C540 C561
07 14 19 40 12 1 39
C561 C1501 C1019 C561 C540 C540
08 26 48 37 13 4 44
C540 C540 C601 C561 C540 C1501
09 23 46 43 11 4 44
C540 C540 C1019 C561 C540 C1501
10 15 16 44 1 0 18
C601 C1501 C1019 C561 C540 C1501
11 11 20 41 9 1 42
C540 C1501 C1019 C561 C540 C1501
12 26 52 37 11 4 52
C540 C540 C1019 C561 C540 C1501
13 29 54 38 13 4 46
C540 C540 C601 C561 C540 C1501
14 14 30 42 4 0 40
C561 C1501 C71 C561 C540 C1501
15 8 14 44 3 0 37
C561 C1501 C1019 C1501 C540 C1502
16 27 8 43 3 0 28
C73 C561 C1019 C561 C540 C1502
17 9 18 41 4 0 29
C561 C561 C298 C561 C540 C561
18 6 9 37 2 NA 21
C71 C540 C73 C561 C540 C1501

PLEASE NOTE: This data has not been verified by the Clark County Department of Air Quality and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from Clark County Department of Air Quality ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.