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Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 5:48 pm PDT
Jan 2018
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 70 154 30 38 8 51
C540 C540 C73 C561 C540 C1501
02 73 114 31 29 9 67
C540 C540 C601 C561 C540 C561
03 57 74 32 13 9 57
C540 C540 C601 C1501 C540 C561
04 52 76 30 0 9 55
C540 C540 C73 C561 C540 C561
05 52 72 31 31 9 53
C540 C1501 C73 C561 C540 C1501
06 57 73 37 25 6 39
C561 C561 C1019 C561 C540 C561
07 24 50 35 19 4 44
C561 C540 C73 C561 C540 C1501
08 41 62 23 18 4 47
C540 C1501 C73 C561 C540 C1501
09 13 60 21 8 2 37
C75 C1501 C73 C1501 C540 C1501
10 20 57 37 17 4 42
C540 C1501 C1019 C561 C540 C1501
11 35 63 30 21 4 49
C540 C1501 C1019 C561 C540 C1501
12 45 73 29 23 5 44
C540 C1501 C601 C561 C540 C1501
13 45 72 34 19 5 44
C540 C540 C601 C561 C540 C1501
14 37 65 33 23 4 42
C540 C540 C601 C561 C540 C561
15 42 62 27 26 5 45
C540 C561 C601 C561 C540 C1501
16 47 63 26 25 5 52
C540 C1501 C1019 C561 C540 C1501
17 47 70 24 30 6 50
C540 C1501 C1019 C561 C540 C1501
18 48 65 31 11 8 48
C540 C1501 C601 C1501 C540 C1501
19 29 53 46 6 5 49
C561 C1501 C1019 C1501 C540 C1501
20 12 15 40 2 NA 24
C561 C1501 C73 C561 C540 C540
21 10 22 38 9 1 39
C561 C1501 C73 C561 C540 C1501
22 27 68 31 19 4 48
C540 C1501 C601 C561 C540 C1501
23 37 55 35 17 5 45
C540 C561 C1019 C561 C540 C1501
24 35 57 34 19 4 48
C561 C561 C601 C561 C540 C561
25 36 42 42 17 NA 46
C561 C561 C73 C561  C1501
26 18 28 39 16 NA 49
C561 C1501 C601 C561  C1501
27 28 53 34 16 NA 43
C561 C561 C73 C561  C561
28 14 22 34 5 NA 38
C561 C561 C601 C561  C561
29 28 38 33 19 NA 47
C561 C561 C1019 C561  C1502
30 41 58 31 21 NA 56
C561 C561 C601 C561  C1501
31 43 58 32 21 NA 51
C561 C561 C601 C561  C1501

Feb 2018
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 54 72 29 27 6 56
C561 C561 C601 C561 C540 C1501
02 49 66 31 24 6 60
C561 C540 C1019 C561 C540 C1501
03 32 54 34 13 4 44
C561 C540 C71 C561 C540 C1501
04 28 51 37 18 4 46
C561 C540 C73 C561 C540 C561
05 41 54 35 19 4 50
C561 C540 C1019 C561 C540 C1501
06 26 28 41 6 5 40
C561 C540 C71 C561 C540 C561
07 35 36 38 10 5 53
C561 C561 C601 C1501 C540 C1501
08 39 48 33 11 5 53
C561 C561 C43 C1501 C540 C1501
09 40 48 32 13 5 52
C561 C540 C1019 C1501 C540 C1501
10 90 74 44 10 5 41
C561 C540 C73 C561 C540 C561
11 63 51 43 6 NA 35
C601 C298 C1019 C1501 C540 C1501
12 51 40 46 4 1 45
C561 C1501 C1019 C1501 C540 C1501
13 17 29 40 5 1 44
C75 C1501 C1019 C1501 C540 C1501
14 17 29 37 5 1 45
C561 C1501 C73 C1501 C540 C1501
15 19 22 44 4 1 40
C1019 C1501 C71 C1501 C540 C1501
16 26 32 39 9 4 48
C561 C561 C601 C1501 C540 C561
17 37 53 39 12 4 45
C561 C561 C601 C561 C540 C561
18 63 55 47 5 3 40
C561 C540 C1019 C561 C540 C561
19 45 22 44 2 1 22
C1019 C1019 C71 C1501 C540 C1502
20 10 23 38 6 1 45
C75 C1501 C1019 C1501 C540 C1501
21 17 25 40 7 3 48
C75 C540 C1019 C561 C540 C1501
22 34 37 45 8 2 54
C561 C540 C1019 C561 C540 C1501
23 17 21 42 5 1 50
C75 C1501 C71 C1501 C540 C561
24 11 17 41 6 1 34
C561 C1501 C1019 C1501 C540 C1501
25 12 21 44 12 3 42
C75 C540 C71 C561 C540 C561
26 23 35 49 11 5 42
C561 C540 C1019 C561 C540 C1501
27 20 24 43 7 2 48
C75 C561 C601 C1501 C540 C561
28 15 28 42 6 1 41
C75 C540 C43 C1501 C540 C561

Mar 2018
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 16 34 46 5 3 39
C75 C540 C601 C1501 C540 C1501
02 19 12 44 5 1 36
C75 C75 C601 C1501 C540 C1501
03 11 10 45 4 NA 23
C75 C1501 C71 C1501 C540 C1501
04 10 9 46 2 NA 18
C75 C540 C601 C1501 C540 C1501
05 14 17 44 8 3 46
C561 C1501 C601 C561 C540 C561
06 24 29 45 13 4 53
C561 C561 C601 C561 C540 C1501
07 36 46 39 15 5 51
C561 C561 C601 C561 C540 C1501
08 42 54 43 13 5 55
C561 C540 C1019 C561 C540 C1501
09 36 45 44 11 4 52
C561 C540 C540 C561 C540 C561
10 25 27 38 6 2 43
C1019 C540 C1019 C1501 C540 C1501
11 9 20 39 8 1 31
C561 C1501 C1019 C561 C540 C1501
12 18 33 35 8 3 40
C561 C540 C43 C1501 C540 C1501
13 15 26 40 7 3 38
C561 C540 C601 C561 C540 C1501
14 13 16 44 0 NA 34
C561 C1501 C71 C561 C540 C1501
15 10 13 44 5 1 34
C75 C1501 C601 C1501 C540 C1501
16 11 16 48 7 NA 50
C75 C1501 C71 C1501 C540 C1501
17 7 9 48 4 NA 27
C561 C1501 C601 C1501 C540 C1501
18 9 8 44 5 NA 32
C75 C1501 C601 C1501 C540 C1501
19 15 17 43 6 2 41
C561 C1501 C540 C1501 C540 C561
20 20 23 43 7 3 43
C561 C540 C1019 C561 C540 C1501
21 16 20 41 7 4 48
C561 C1501 C601 C1501 C540 C1501
22 13 20 39 7 2 37
C561 C1501 C71 C1501 C540 C1501
23 9 9 45 5 1 32
C561 C1501 C22 C1501 C540 C1501
24 22 22 51 5 NA 32
C561 C1501 C601 C1501 C540 C1501
25 15 15 47 3 1 21
C75 C75 C22 C1501 C540 C1501
26 11 11 51 2 NA 24
C561 C1501 C71 C1501 C540 C1501
27 14 13 45 5 1 39
C75 C1501 C540 C1501 C540 C1501
28 17 19 39 6 2 42
C561 C1501 C22 C1501 C540 C1501
29 20 27 47 11 2 46
C561 C540 C298 C561 C540 C561
30 21 27 47 11 3 41
C561 C1501 C298 C561 C540 C561
31 24 30 77 11 3 37
C561 C540 C1019 C561 C540 C1502

Apr 2018
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 22 29 90 10 1 37
C561 C561 C540 C561 C540 C561
02 23 30 64 10 2 43
C561 C540 C22 C561 C540 C561
03 52 47 48 6 1 47
C1019 C540 C540 C1501 C540 C1501
04 40 43 50 7 4 48
C561 C540 C1019 C1501 C540 C561
05 34 39 67 6 3 43
C561 C540 C22 C1501 C540 C1501
06 36 29 51 5 NA 38
C75 C1501 C22 C1501  C1502
07 40 27 47 4 NA 27
C601 C1501 C601 C1501  C1501
08 26 28 51 5 NA 42
C43 C43 C601 C1501  C561
09 24 31 49 5 2 41
C561 C1501 C1019 C1501 C540 C561
10 31 32 77 8 4 56
C561 C540 C73 C1501 C540 C1501
11 39 37 77 5 2 44
C43 C1501 C1019 C1501 C540 C1501
12 55 28 64 1 2 22
C75 C75 C22 C1501 C540 C1502
13 21 19 49 5 2 33
C75 C75 C601 C1501 C540 C1501
14 30 35 51 7 3 42
C75 C75 C298 C1501 C540 C1502
15 31 45 87 5 3 38
C75 C540 C1019 C1501 C540 C1501
16 56 32 64 4 2 37
C601 C1501 C1019 C1501 C540 C1501
17 16 12 48 4 2 43
C75 C1501 C540 C1501 C540 C561
18 20 18 74 5 3 42
C75 C1501 C298 C1501 C540 C561
19 35 25 77 4 2 40
C75 C75 C7772 C1501 C540 C1501
20 26 22 50 6 3 42
C75 C75 C601 C1501 C540 C1501
21 30 35 61 8 4 47
C561 C540 C71 C561 C540 C561
22 24 32 61 6 4 44
C561 C540 C298 C561 C540 C561
23 27 26 71 4 4 44
C75 C540 C22 C1501 C540 C561

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.