Return to main Clark County MeteoStar Monitoring web page
Return to main Clark County MeteoStar Monitoring web page

Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 11:40 am PDT
Jan 2020
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 67 157 33 25 4 37
C561 C561 C1019 C561 C540 C1502
02 21 38 38 9 3 41
C561 C561 C43 C561 C540 C540
03 34 59 30 22 6 44
C561 C1501 C601 C561 C540 C1501
04 43 76 28 23 7 37
C540 C540 C601 C561 C540 C561
05 48 92 33 19 6 39
C561 C561 C75 C561 C540 C1501
06 30 53 34 18 5 40
C540 C561 C601 C561 C540 C1502
07 42 60 28 17 7 59
C561 C561 C601 C561 C540 C1501
08 32 46 37 10 6 40
C540 C540 C75 C561 C540 C540
09 24 34 34 10 3 41
C561 C561 C71 C561 C540 C540
10 22 32 37 17 3 40
C561 C561 C75 C561 C540 C1502
11 38 68 31 13 6 40
C561 C561 C71 C561 C540 C1502
12 30 59 33 12 3 37
C561 C561 C601 C561 C540 C1502
13 38 63 38 13 4 44
C561 C540 C601 C561 C540 C1502
14 38 59 42 17 5 43
C540 C561 C1019 C561 C540 C1502
15 50 74 38 14 7 47
C561 C561 C1019 C1501 C540 C561
16 48 69 41 0 7 59
C561 C561 C601 C1501 C540 C1501
17 18 27 41 11 3 42
C561 C1501 C43 C1501 C540 C561
18 30 55 38 10 5 41
C561 C561 C601 C1501 C540 C1502
19 31 53 39 7 4 42
C540 C540 C601 C1501 C540 C1502
20 30 33 34 10 4 41
C540 C561 C1019 C1501 C540 C1502
21 29 41 38 8 5 37
C540 C540 C1019 C1501 C540 C1502
22 34 58 36 16 3 43
C561 C561 C601 C561 C540 C1502
23 52 75 31 17 6 45
C561 C561 C1019 C561 C540 C1502
24 49 63 33 19 8 45
C540 C561 C601 C561 C540 C1501
25 51 79 32 21 6 42
C561 C561 C1019 C561 C540 C1501
26 37 64 36 16 6 35
C540 C561 C1019 C561 C540 C1501
27 22 26 41 9 2 40
C561 C1501 C43 C561 C540 C1501
28 32 43 35 11 4 48
C561 C561 C601 C561 C540 C1501
29 34 43 38 5 3 36
C540 C1501 C43 C1501 C540 C1502
30 18 23 36 7 3 42
C561 C1501 C601 C1501 C540 C1501
31 38 55 34 20 5 42
C561 C561 C601 C561 C540 C1502

Feb 2020
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 54 85 32 21 5 43
C561 C561 C1019 C561 C540 C1502
02 87 69 47 14 6 34
C540 C540 C73 C561 C540 C561
03 53 30 40 4 1 14
C540 C1501 C43 C561 C540 C540
04 19 16 38 5 0 27
C75 C1501 C43 C561 C540 C1501
05 24 28 37 14 3 40
C75 C1501 C601 C561 C540 C561
06 39 56 35 15 5 45
C561 C561 C601 C561 C540 C1501
07 49 66 35 24 6 48
C561 C561 C1019 C561 C540 C1501
08 49 71 45 18 7 44
C540 C540 C601 C561 C540 C1502
09 28 27 41 3 2 21
C540 C1501 C43 C1501 C540 C540
10 15 12 40 4 1 30
C540 C540 C601 C561 C540 C540
11 19 20 41 12 4 39
C75 C540 C43 C561 C540 C1501
12 31 51 37 13 6 41
C561 C561 C1019 C561 C540 C1501
13 34 53 38 15 5 45
C561 C561 C601 C561 C540 C1501
14 42 61 40 17 6 45
C540 C561 C601 C561 C540 C1502
15 40 63 48 12 5 43
C540 C540 C601 C561 C540 C540
16 45 67 58 12 4 52
C540 C561 C601 C561 C540 C561
17 35 51 42 9 3 43
C540 C540 C298 C561 C540 C561
18 32 30 41 10 2 41
C540 C540 C298 C561 C540 C1502
19 33 42 39 10 3 44
C561 C561 C601 C561 C540 C1501
20 27 32 40 8 4 40
C540 C561 C601 C1501 C540 C540
21 38 52 41 12 4 51
C540 C540 C601 C561 C540 C1501
22 29 51 34 7 4 38
C540 C540 C1019 C1501 C540 C540
23 12 27 37 8 2 33
C561 C43 C43 C1501 C540 C540
24 27 39 39 8 2 37
C540 C540 C601 C1501 C540 C1501
25 22 22 42 6 1 33
C561 C298 C601 C1501 C540 C1501
26 26 34 40 10 3 41
C561 C561 C601 C1501 C540 C1501
27 40 55 35 14 5 42
C561 C561 C601 C561 C540 C561
28 34 48 35 14 4 47
C561 C540 C601 C561 C540 C1501
29 36 56 44 9 5 38
C540 C540 C298 C561 C540 C1501

Mar 2020
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 28 25 44 5 1 17
C561 C298 C601 C1501 C540 C1501
02 11 12 41 2 0 17
C43 C298 C43 C561 C540 C540
03 11 12 39 4 1 28
C43 C298 C601 C561 C540 C540
04 22 27 36 11 3 40
C561 C1501 C75 C561 C540 C1501
05 36 48 39 15 5 44
C561 C540 C601 C561 C540 C1501
06 36 44 46 12 4 47
C561 C561 C298 C561 C540 C1501
07 35 38 47 8 2 40
C561 C561 C43 C561 C540 C1502
08 13 15 44 4 NA 20
C298 C298 C601 C561  C1502
09 17 20 42 5 1 37
C561 C1501 C43 C1501 C540 C561
10 13 21 38 4 1 33
C561 C1501 C601 C1501 C540 C561
11 10 22 34 6 2 30
C561 C298 C75 C1501 C540 C1501
12 15 24 34 5 2 25
C540 C1501 C75 C561 C540 C1501
13 6 12 37 4 0 31
C561 C1501 C43 C1501 C540 C1501
14 7 13 43 4 0 21
C561 C1501 C43 C1501 C540 C1501
15 10 19 46 4 1 25
C540 C298 C43 C1501 C540 C1502
16 13 23 44 5 1 35
C75 C1501 C43 C1501 C540 C1501
17 9 13 48 5 1 33
C561 C1501 C43 C1501 C540 C1501
18 10 16 43 5 1 35
C43 C1501 C75 C1501 C540 C1502
19 13 17 44 4 1 35
C561 C1501 C43 C1501 C540 C1501
20 9 16 43 4 0 33
C75 C71 C43 C1501 C540 C1501
21 12 22 49 4 2 23
C540 C540 C43 C561 C540 C540
22 15 31 47 4 1 26
C561 C561 C43 C1501 C540 C1502
23 8 11 44 3 0 33
C601 C1501 C43 C1501 C540 C1501
24 12 13 46 4 0 28
C561 C1501 C43 C1501 C540 C1501
25 26 17 47 3 0 30
C1019 C298 C43 C1501 C540 C1501
26 16 15 44 3 0 29
C298 C298 C43 C1501 C540 C1501
27 9 11 43 4 0 28
C540 C561 C43 C561 C540 C1502
28 17 26 46 4 2 35
C561 C561 C43 C1501 C540 C1502
29 12 22 48 3 2 19
C298 C298 C43 C1501 C540 C1502
30 14 21 49 5 1 31
C561 C298 C75 C1501 C540 C561
31 22 28 51 5 1 43
C561 C561 C75 C1501 C540 C1501

Apr 2020
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 33 29 46 4 2 38
C298 C298 C22 C1501 C540 C1502
02 27 24 45 4 1 28
C561 C561 C43 C1501 C540 C561
03 23 24 48 5 1 35
C75 C561 C43 C561 C540 C1502
04 24 30 49 4 1 31
C561 C561 C43 C561 C540 C561
05 21 22 43 3 0 11
C561 C561 C22 C1501 C540 C1501
06 13 15 40 4 0 26
C601 C1501 C22 C1501 C540 C1501
07 10 11 39 4 0 22
C43 C298 C22 C1501 C540 C1502
08 19 21 43 4 2 30
C601 C561 C43 C1501 C540 C1501
09 7 12 44 4 0 32
C43 C1501 C22 C1501 C540 C1501
10 10 14 44 4 0 29
C540 C540 C22 C561 C540 C561
11 10 13 45 4 0 25
C561 C561 C22 C1501 C540 C561
12 13 20 41 3 1 15
C561 C540 C22 C1501 C540 C540
13 16 18 49 3 1 31
C561 C540 C43 C1501 C540 C561
14 22 28 47 6 1 35
C540 C540 C43 C561 C540 C561
15 23 30 44 5 2 31
C540 C540 C22 C1501 C540 C1501
16 24 29 61 4 2 34
C540 C540 C43 C561 C540 C1502
17 20 19 48 4 1 30
C540 C1501 C43 C1501 C540 C1501
18 14 21 49 4 0 27
C561 C561 C22 C561 C540 C1501
19 16 25 51 4 1 23
C561 C561 C43 C561 C540 C561
20 17 25 54 4 1 33
C43 C43 C43 C1501 C540 C561
21 14 21 49 3 0 26
C561 C1019 C43 C1501 C540 C1502
22 19 23 50 4 1 28
C75 C540 C43 C1501 C540 C1501
23 23 26 67 3 0 29
C540 C540 C43 C1501 C540 C1502
24 20 24 67 5 2 33
C75 C75 C43 C1501 C540 C1501
25 24 31 58 6 1 32
C561 C561 C43 C561 C540 C1502
26 24 32 54 4 1 29
C75 C561 C43 C561 C540 C561
27 24 28 67 5 2 33
C561 C561 C43 C1501 C540 C1502
28 24 24 67 5 2 33
C540 C540 C43 C1501 C540 C561
29 27 24 58 6 1 32
C75 C540 C298 C1501 C540 C1501
30 31 30 71 5 1 43
C561 C561 C298 C1501 C540 C1502

May 2020
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 28 26 51 4 1 33
C561 C561 C22 C1501 C540 C1502
02 24 27 67 4 1 27
C43 C561 C601 C1501 C540 C1501
03 24 27 51 3 1 15
C561 C561 C75 C1501 C540 C1502
04 25 24 54 5 1 27
C298 C298 C1019 C1501 C540 C1501
05 25 29 84 7 1 42
C540 C561 C43 C561 C540 C540
06 30 33 126 6 2 39
C540 C540 C71 C1501 C540 C1502
07 52 36 67 5 1 33
C1019 C540 C1019 C1501 C540 C1501
08 36 29 77 7 1 44
C75 C1501 C43 C561 C540 C561
09 33 36 112 5 1 35
C540 C540 C43 C1501 C540 C561
10 35 45 74 4 1 32
C601 C540 C43 C1501 C540 C561
11 26 26 87 5 1 43
C601 C1501 C43 C1501 C540 C1501
12 35 24 50 4 1 24
C561 C1501 C43 C1501 C540 C1501
13 21 21 58 4 1 29
C561 C1501 C22 C1501 C540 C1501
14 30 24 71 6 1 30
C75 C1501 C75 C1501 C540 C1502
15 28 26 84 6 1 30
C561 C1501 C43 C1501 C540 C1501
16 24 23 54 6 1 29
C561 C540 C43 C1501 C540 C561
17 28 23 58 4 1 18
C561 C561 C43 C1501 C540 C1501
18 28 19 51 4 1 29
C601 C1501 C23 C1501 C540 C1501
19 20 15 49 2 0 19
C601 C561 C75 C1501 C540 C1502
20 13 12 49 3 0 18
C43 C43 C43 C1501 C540 C1502
21 17 16 71 5 2 30
C75 C43 C298 C1501 C540 C1501
22 39 28 93 5 1 39
C561 C561 C23 C1501 C540 C1501
23 28 20 50 3 1 37
C1019 C540 C601 C1501 C540 C540
24 16 16 47 5 1 26
C540 C43 C43 C1501 C540 C1501
25 18 17 44 6 1 36
C540 C540 C23 C561 C540 C1502
26 27 23 87 7 1 38
C75 C540 C75 C1501 C540 C1501
27 28 25 80 6 2 35
C540 C540 C75 C1501 C540 C1502
28 35 28 118 6 2 38
C75 C298 C43 C1501 C540 C1502
29 36 27 54 6 2 39
C75 C1501 C43 C1501 C540 C1502
30 30 28 67 5 1 32
C561 C561 C43 C1501 C540 C1501
31 19 17 64 4 1 22
C601 C298 C43 C1501 C540 C1501

Jun 2020
Date PM-10  PM-2.5  O3  CO  SO2  NO2 
01 28 25 61 6 1 38
C75 C561 C298 C561 C540 C1502
02 38 37 54 6 2 38
C561 C561 C43 C1501 C540 C540
03 32 40 67 7 1 46
C540 C540 C43 C1501 C540 C1501
04 35 37 74 6 2 39
C561 C561 C43 C561 C540 C1502
05 45 35 61 6 2 42
C75 C561 C7772 C561 C540 C561
06 50 42 50 4 1 15
C561 C43 C601 C1501 C540 C1501
07 55 32 50 3 1 14
C298 C298 C23 C1501 C540 C1501
08 28 16 39 6 1 30
C540 C540 C298 C1501 C540 C540
09 20 18 49 5 1 34
C561 C561 C43 C561 C540 C561
10 31 27 44 8 2 41
C75 C561 C43 C561 C540 C1501
11 30 27 54 8 2 39
C561 C561 C601 C561 C540 C1501
12 49 46 100 6 2 47
C540 C561 C43 C1501 C540 C1501
13 34 24 51 4 1 17
C561 C561 C23 C1501 C540 C1501
14 27 23 64 7 1 30
C75 C561 C43 C561 C540 C561
15 46 31 74 6 7 40
C75 C561 C298 C561 C540 C1501
16 38 25 58 4 1 22
C561 C561 C601 C1501 C540 C1501
17 44 34 67 3 1 39
C540 C561 C298 C1501 C540 C1501
18 23 17 74 5 1 35
C298 C561 C43 C561 C540 C1501
19 28 26 80 8 1 40
C1019 C561 C75 C561 C540 C540
20 32 34 97 7 1 37
C561 C561 C298 C1501 C540 C540
21 30 33 90 6 1 25
C75 C561 C75 C1501 C540 C1501
22 36 40 126 7 1 40
C561 C561 C75 C1501 C540 C1502
23 31 34 77 6 1 40
C75 C561 C43 C1501 C540 C1501
24 32 34 80 6 1 37
C561 C561 C43 C1501 C540 C1501
25 52 37 93 6 1 43
C1019 C1501 C7772 C1501 C540 C1501
26 60 44 108 5 1 33
C1019 C43 C43 C561 C540 C1501
27 43 37 80 6 1 31
C540 C540 C43 C1501 C540 C1502
28 107 60 71 3 2 12
C540 C540 C298 C1501 C540 C1501
29 40 35 54 3 1 32
C75 C561 C298 C1501 C540 C1501
30 25 24 64 6 1 34
C298 C561 C75 C561 C540 C1502

Jul 2020
Date PM-10 PM-2.5 O3 CO SO2 NO2
01 39 36 71 6 2 41
C540 C561 C43 C1501 C540 C1501
02 31 35 77 6 1 45
C561 C1501 C43 C1501 C540 C1501
03 24 26 48 5 1 36
C561 C561 C601 C1501 C540 C1501
04 39 61 51 6 11 25
C561 C561 C298 C1501 C540 C1501
05 37 57 50 6 1 34
C561 C561 C43 C1501 C540 C1502
06 40 40 71 7 1 38
C561 C561 C43 C1501 C540 C1501
07 35 35 71 6 1 40
C561 C561 C1019 C1501 C540 C1501
08 30 29 104 5 1 40
C561 C561 C43 C1501 C540 C1502
09 36 32 126 6 1 44
C561 C561 C75 C1501 C540 C1502
10 36 31 93 6 1 40
C561 C561 C43 C1501 C540 C1502
11 37 34 61 6 1 34
C561 C561 C75 C1501 C540 C1502
12 37 36 49 5 1 31
C561 C561 C71 C1501 C540 C1502
13 38 28 54 6 1 35
C561 C561 C43 C1501 C540 C1501
14 36 21 49 6 1 31
C561 C561 C7772 C1501 C540 C1501
15 38 26 67 6 1 32
C561 C561 C71 C1501 C540 C1501
16 38 25 51 6 2 33
C561 C561 C7772 C1501 C540 C1502
17 40 26 44 6 2 37
C561 C561 C43 C1501 C540 C1501
18 36 23 58 8 1 27
C561 C561 C71 C1501 C540 C1502
19 40 27 50 8 1 25
C561 C561 C71 C1501 C540 C1501
20 48 34 64 6 1 36
C561 C561 C75 C1501 C540 C1502
21 43 38 77 7 1 47
C561 C561 C71 C1501 C540 C1501
22 35 31 58 6 1 50
C561 C1501 C7772 C1501 C540 C1501
23 33 25 54 6 1 41
C561 C561 C71 C1501 C540 C1502
24 30 27 49 6 1 42
C75 C1501 C7772 C1501 C540 C1501
25 37 29 64 6 1 28
C1019 C561 C75 C1501 C540 C561
26 43 34 51 6 1 27
C298 C540 C43 C561 C540 C1502
27 30 27 49 5 1 34
C561 C561 C75 C561 C540 C1502
28 31 27 80 6 1 38
C561 C561 C75 C1501 C540 C1502
29 35 29 77 7 2 47
C561 C561 C71 C1501 C540 C1501
30 34 28 77 7 2 40
C561 C561 C601 C561 C540 C1502
31 31 27 67 6 2 43
C561 C561 C1019 C1501 C540 C1502
Aug 2020
Date PM-10 PM-2.5 O3 CO SO2 NO2
01 32 21 87 5 1 29
C75 C561 C75 C1501 C540 C561
02 30 27 80 7 1 40
C75 C540 C23 C561 C540 C561
03 51 60 140 8 1 41
C540 C540 C71 C1501 C540 C561
04 42 49 93 6 1 44
C75 C561 C7772 C1501 C540 C1502
05 31 34 74 6 1 47
C561 C43 C75 C1501 C540 C1502
06 29 32 67 5 1 38
C75 C1501 C71 C1501 C540 C1501
07 32 32 104 6 1 44
C75 C1019 C75 C1501 C540 C1501
08 29 31 93 7 1 42
C75 C561 C43 C1501 C540 C1502
09 27 32 77 8 1 35
C75 C561 C71 C561 C540 C561
10 33 27 77 7 2 38
C561 C561 C71 C561 C540 C1502
11 33 23 58 5 1 46
C561 C561 C71 C1501 C540 C1501
12 49 31 58 5 1 48
C561 C561 C601 C1501 C540 C1502

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.