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Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 0:12 am MST
Jan 2018
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 31 500 26 33 1
C1030 C2010 C1035 C1030 C1035
02 30 500 26 32 NA
C1030 C2010 C3 C32 C1035
03 32 500 54 33 NA
C1030 C2010 C3 C1030 C1035
04 41 500 54 33 1
C1030 C2010 C3 C1030 C1035
05 37 500 71 36 1
C1030 C2010 C3 C1030 C1035
06 33 500 52 33 1
C1030 C2010 C3 C1030 C1035
07 37 500 30 32 NA
C1030 C2010 C3 C1030 C1035
08 30 500 34 30 1
C1030 C2010 C3 C1030 C1035
09 70 500 49 29 1
C1030 C2010 C3 C1030 C1035
10 10 500 35 31 3
C1030 C2010 C1035 C8000 C1035
11 11 500 48 28 1
C1026 C2010 C3 C1030 C1035
12 10 500 50 28 57
C1026 C2010 C3 C1030 C1035
13 14 500 30 34 NA
C20 C2010 C1035 C1030 C1035
14 17 500 38 33 NA
C1026 C2010 C1035 C1030 C1035
15 19 500 54 32 2
C1026 C2010 C1035 C1030 C1035
16 20 500 44 32 8
C1030 C2010 C1035 C1030 C1035
17 31 500 45 31 1
C1030 C2010 C1035 C1030 C1035
18 24 500 37 31 NA
C1030 C2010 C1035 C1030 C1035
19 23 500 41 36 NA
C1030 C2010 C1035 C8000 C1035
20 37 500 44 35 NA
C1030 C2010 C1035 C8000 C1035
21 11 500 33 38 1
C1026 C2010 C1035 C32 C1035
22 44 500 27 39 1
C20 C2010 C1035 C32 C1035
23 19 500 38 38 1
C1026 C2010 C1035 C32 C1035
24 18 500 37 35 1
C1026 C2010 C3 C1030 C1035
25 20 500 33 36 1
C1030 C2010 C1035 C8000 C1035
26 29 500 37 36 1
C1030 C2010 C1035 C1030 C1035
27 19 500 45 37 NA
C1030 C2010 C1035 C32 C1035
28 19 500 40 33 NA
C1026 C2010 C1035 C1030 C1035
29 24 500 35 35 3
C1026 C2010 C1035 C1030 C1035
30 23 500 34 35 1
C1030 C2010 C1035 C1030 C1035
31 47 500 35 36 10
C20 C2010 C3 C1030 C1035

Feb 2018
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 27 500 44 40 NA
C1030 C2010 C1035 C1030 C1035
02 47 500 35 41 NA
C20 C2010 C1035 C1030 C1035
03 33 500 33 42 NA
C1030 C2010 C1035 C1030 C1035
04 27 500 33 42 NA
C1030 C1007 C1035 C1030 C1035
05 30 500 36 39 1
C1030 C1007 C1035 C1030 C1035
06 31 500 43 36 0
C1030 C1007 C1035 C8000 C1035
07 36 500 49 37 NA
C1026 C1007 C1035 C8000  
08 70 500 44 36 0
C20 C1007 C1035 C1030 C1035
09 26 500 46 35 NA
C1030 C1007 C1035 C1030 C1035
10 89 500 55 39 1
C1028 C2010 C1035 C8000 C1035
11 71 500 48 38 1
C1028 C1007 C1035 C1030 C1035
12 51 500 49 42 1
C1030 C2010 C1035 C8000 C1035
13 21 500 48 36 13
C1030 C1007 C1035 C8000 C1035
14 19 500 54 38 NA
C1026 C1007 C1035 C32 C1035
15 12 500 53 40 NA
C1026 C2010 C1035 C8000 C1035
16 21 500 52 37 NA
C1026 C1007 C1035 C8000 C1035
17 17 500 45 36 3
C1026 C2010 C1035 C32 C1035
18 46 500 52 35 1
C1026 C2010 C1035 C32 C1035
19 36 500 49 38 NA
C1030 C2010 C1035 C32 C1035
20 33 500 49 37 1
C1030 C1007 C1035 C1030 C1035
21 21 500 51 36 82
C1030 C1007 C1035 C8000 C1035
22 43 500 49 42 NA
C20 C2010 C1035 C8000 C1035
23 15 500 45 38 1
C1030 C2010 C1035 C8000 C1035
24 12 500 42 38 1
C1030 C2010 C1035 C1030 C1035
25 23 500 41 40 NA
C20 C2010 C1035 C8000 C1035
26 23 500 49 40 1
C20 C2010 C1035 C8000 C1035
27 22 500 44 39 5
C1030 C2010 C1035 C32 C1035
28 67 500 53 40 2
C20 C2010 C1035 C8000 C1035

Mar 2018
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 42 500 47 42 1
C1018 C2010 C1035 C8000 C1035
02 64 500 51 42 1
C1018 C2010 C1035 C1030 C1035
03 35 500 46 43 NA
C1018 C2010 C1035 C8000 C1035
04 16 8 43 42 NA
C1030 C8000 C1035 C8000 C1035
05 12 13 47 40 NA
C1026 C1007 C1035 C1030 C1035
06 14 8 49 41 75
C1026 C20 C1035 C32 C1035
07 17 26 51 39 1
C20 C20 C1035 C32 C1035
08 23 22 49 40 1
C1030 C20 C1035 C1030 C1035
09 22 10 50 41 1
C1030 C20 C1035 C1030 C1035
10 21 7 51 36 1
C1030 C20 C1035 C8000 C1035
11 12 4 49 35 1
C2012 C20 C1035 C8000 C1035
12 18 14 51 41 1
C1026 C20 C1035 C32 C1035
13 18 15 48 38 11
C1030 C8000 C1035 C1030 C1035
14 21 9 45 42 NA
C1030 C8000 C1035 C1030 C1035
15 33 6 49 38 NA
C1030 C1007 C1035 C8000 C1035
16 26 9 53 44 NA
C1030 C8000 C1035 C8000 C1035
17 20 10 52 42 NA
C1030 C8000 C1035 C8000 C1035
18 16 8 53 39 NA
C1030 C1007 C1035 C8000 C1035
19 16 9 54 41 NA
C1030 C1007 C1035 C1030 C1035
20 18 10 55 44 103
C1030 C8000 C1035 C1030 C1035
21 25 8 57 47 NA
C1030 C8000 C1035 C1030 C1035
22 22 12 54 36 1
C1030 C8000 C1035 C1030 C1035
23 16 17 53 43 NA
C1030 C1007 C1035 C1030 C1035
24 25 15 53 45 NA
C1030 C1007 C1035 C8000 C1035
25 32 14 56 44 1
C1030 C8000 C1035 C1030 C1035
26 26 6 57 47 3
C1030 C8000 C1035 C8000 C1035
27 21 5 54 44 1
C1030 C8000 C1035 C1030 C1035
28 47 111 56 45 NA
C20 C20 C1035 C1030 C1035
29 26 10 56 42 11
C1030 C8000 C1035 C32 C1035
30 25 13 53 46 NA
C1030 C8000 C1035 C1030 C1035
31 27 16 53 47 NA
C1030 C8000 C1035 C1030 C1035

Apr 2018
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 35 14 54 43 NA
C1030 C8000 C1035 C1030 C1035
02 65 158 55 47 NA
C20 C1007 C1035 C1030 C1035
03 33 21 57 54 87
C2012 C8000 C1035 C1030 C1035
04 34 22 56 48 1
C1030 C8000 C1035 C1030 C1035
05 34 106 56 54 NA
C1030 C1007 C1035 C1030 C1035
06 36 14 57 50 NA
C1030 C8000 C1035 C1030 C1035
07 38 14 56 42 NA
C1030 C8000 C1035 C32 C1035
08 50 18 57 42 NA
C1030 C8000 C1035 C1030 C1035
09 40 122 57 47 NA
C1030 C8000 C1035 C1030 C1035
10 36 16 58 49 13
C1030 C8000 C1035 C1030 C1035
11 72 113 62 58 NA
C8000 C8000 C1035 C1030 C1035
12 73 33 61 49 NA
C1030 C8000 C1035 C32 C1035
13 19 9 61 47 1
C1030 C8000 C1035 C32 C1035
14 27 15 62 46 NA
C1018 C8000 C1035 C1030 C1035
15 56 29 59 47 NA
C1018 C8000 C1035 C1030 C1035
16 165 21 56 43 NA
C1018 C8000 C1035 C1030 C1035
17 55 8 57 67 103
C1030 C8000 C1035 C1030 C1035
18 40 6 58 67 NA
C1018 C8000 C1035 C1030 C1035
19 58 17 59 48 NA
C1030 C8000 C1035 C1030 C1035
20 53 11 59 47 NA
C20 C8000 C1035 C1030 C1035
21 27 13 62 49 NA
C20 C8000 C1035 C1030 C1035
22 27 13 64 54 NA
C1030 C20 C1035 C1030 C1035
23 70 13 61 67 14
C8000 C8000 C1035 C1030 C1035
24 36 16 66 80 NA
C1030 C8000 C1035 C1030 C1035
25 41 22 62 74 NA
C1030 C8000 C1035 C1030 C1035
26 56 117 59 43 NA
C20 C20 C1035 C32 C1035
27 54 20 60 61 1
C1026 C8000 C1035 C1030 C1035
28 42 24 63 48 NA
C1030 C8000 C1035 C1030 C1035
29 44 23 61 46 NA
C1030 C8000 C1035 C1030 C1035
30 53 10 62 46 NA
C1030 C8000 C1035 C1030 C1035

May 2018
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 52 211 63 42 NA
C1030 C1007 C1035 C1030 C1035
02 22 493 75 54 1
C1030 C1007 C1035 C32 C1035
03 27 499 70 49 1
C1030 C1007 C1035 C1030 C1035
04 24 32 65 46 1
C1026 C1007 C1035 C1030 C1035
05 36 27 66 51 NA
C1030 C1007 C1035 C1030 C1035
06 40 19 65 46 NA
C1030 C20 C1035 C1030 C1035
07 43 22 65 50 NA
C1030 C1007 C1035 C1030 C1035
08 55 162 67 93 NA
C20 C20 C1035 C8000 C1035
09 47 27 72 80 NA
C1030 C20 C1035 C1030 C1035
10 41 24 69 47 73
C1030 C1007 C1035 C8000 C1035
11 67 24 69 51 NA
C1018 C8000 C1035 C8000 C1035
12 58 20 71 51 NA
C1030 C20 C1035 C8000 C1035
13 28 30 73 51 1
C1030 C1007 C1035 C8000 C1035
14 32 121 73 67 NA
C1030 C8000 C1035 C8000 C1035
15 32 22 76 77 11
C1030 C20 C1035 C8000 C1035
16 42 19 74 50 1
C1030 C8000 C1035 C1030 C1035
17 37 21 73 90 NA
C1030 C20 C1035 C8000 C1035
18 46 19 71 64 2
C1030 C20 C1035 C1030 C1035
19 37 23 76 74 3
C1030 C1007 C1035 C8000 C1035
20 32 34 71 71 1
C1030 C1007 C1035 C8000 C1035
21 32 24 72 49 NA
C1030 C8000 C1035 C8000 C1035
22 36 44 74 67 102
C1030 C1007 C1035 C8000 C1035
23 32 25 55 67 1
C1030 C1007 C1035 C8000 C1035
24 31 18 25 61 1
C1030 C8000 C3 C8000 C1035
25 28 17 40 54 NA
C1030 C20 C1035 C8000 C1035
26 48 19 42 48 NA
C1030 C20 C1035 C1030 C1035
27 55 22 27 51 1
C1030 C20 C3 C1030 C1035
28 33 20 27 50 NA
C1030 C20 C1035 C1030 C1035
29 47 217 23 77 11
C8000 C8000 C3 C1030 C1035
30 35 28 25 77 1
C1030 C1007 C1035 C8000 C1035
31 70 117 26 54 NA
C20 C20 C3 C8000 C1035

Jun 2018
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 46 25 24 71 NA
C1030 C1007 C1035 C8000 C1035
02 39 18 21 64 NA
C1030 C1007 C3 C1030 C1035
03 37 25 28 67 1
C1030 C1007 C3 C8000 C1035
04 38 26 23 77 103
C1030 C20 C3 C8000 C1035
05 46 31 23 51 NA
C1030 C8000 C3 C8000 C1035
06 41 35 25 51 NA
C1030 C1007 C3 C8000 C1035
07 48 29 32 77 NA
C1030 C1007 C3 C8000 C1035
08 51 32 34 104 NA
C1030 C1007 C3 C8000 C1035
09 51 29 22 67 NA
C20 C8000 C3 C8000 C1035
10 47 33 17 48 NA
C1030 C8000 C3 C1030 C1035
11 42 114 20 87 1
C1030 C20 C1035 C8000 C1035
12 173 162 19 54 14
C8000 C20 C1035 C8000 C1035
13 500 26 23 49 NA
C8000 C8000 C1035 C8000 C1035
14 500 35 17 50 NA
C8000 C1007 C3 C8000 C1035
15 298 125 20 42 1
C8000 C8000 C3 C8000 C1035
16 75 41 24 42 NA
C2012 C1007 C3 C8000 C1035
17 72 40 33 71 NA
C2012 C1007 C1035 C8000 C1035
18 72 33 42 100 NA
C2012 C1007 C1035 C8000 C1035
19 23 24 19 51 103
C2012 C1007 C3 C8000 C1035
20 27 24 20 106 1
C2012 C1007 C3 C8000 C1035
21 35 23 24 77 1
C20 C1007 C3 C1030 C1035
22 53 23 25 67 1
C20 C20 C3 C1030 C1035
23 42 28 24 109 1
C1030 C20 C3 C8000 C1035
24 49 49 24 87 1
C8000 C8000 C1035 C8000 C1035
25 58 31 23 100 1
C8000 C1007 C3 C8000 C1035
26 33 56 19 97 14
C1030 C1007 C3 C8000 C1035
27 29 54 20 109 1
C1030 C1007 C3 C8000 C1035
28 64 119 23 67 1
C20 C20 C3 C8000 C1035
29 44 18 42 80 1
C1030 C8000 C1035 C8000 C1035
30 35 20 53 87 1
C1030 C8000 C1035 C8000 C1035

Jul 2018
Date PM-10 PM-2.5 PM-2.5 O3 SO2
01 29 54 57 67 1
C2012 C1007 C1035 C8000 C1035
02 29 73 61 61 1
C1030 C1007 C1035 C1030 C1035
03 41 115 37 101 98
C2012 C20 C1035 C8000 C1035
04 50 124 44 84 NA
C2012 C1007 C1035 C8000 C1035
05 59 123 42 71 1
C1030 C20 C1035 C8000 C1035
06 33 123 35 90 1
C1030 C20 C3 C8000 C1035
07 29 124 24 58 1
C1018 C20 C3 C8000 C1035
08 61 182 30 74 NA
C20 C20 C3 C8000 C1035
09 126 139 41 80 9
C1030 C8000 C3 C1030 C1035
10 56 164 57 111 15
C1028 C20 C1035 C8000 C1035
11 27 27 41 93 NA
C1028 C1007 C1035 C8000 C1035
12 56 164 34 71 1
C20 C20 C1035 C1030 C1035
13 31 164 34 61 1
C2012 C20 C1035 C8000 C1035
14 27 119 45 77 NA
C1030 C20 C1035 C8000 C1035
15 34 120 35 106 1
C1026 C20 C1035 C8000 C1035
16 34 164 46 114 1
C2012 C20 C1035 C8000 C1035
17 29 46 37 106 1
C1026 C20 C3 C8000 C1035
18 61 500 49 67 1
C1030 C1007 C3 C8000 C1035
19 54 500 49 64 6
C2012 C1007 C13 C8000 C1035
20 38 500 37 101 1
C1026 C1007 C3 C8000 C1035
21 49 58 43 51 1
C8000 C1007 C13 C1030 C1035
22 30 48 31 93 1
C20 C20 C3 C8000 C1035
23 34 45 38 90 1
C1030 C20 C3 C1030 C1035
24 64 116 46 90 78
C8000 C8000 C3 C1030 C1035
25 65 65 43 100 NA
C20 C20 C3 C8000 C1035
26 60 82 44 84 1
C20 C1007 C3 C8000 C1035
27 41 76 51 122 1
C1026 C1007 C3 C8000 C1035
28 67 121 52 93 1
C1026 C1007 C3 C1030 C1035
29 104 134 47 64 1
C1026 C1007 C3 C1030 C1035
30 87 148 58 74 1
C1026 C1007 C3 C8000 C1035
31 74 148 58 109 4
C1026 C1007 C3 C8000 C1035
Aug 2018
Date PM-10 PM-2.5 PM-2.5 O3 SO2
01 98 158 64 104 1
C20 C1007 C3 C1030 C1035
02 65 137 48 114 1
C1030 C1007 C1035 C1030 C1035
03 69 153 42 106 NA
C1028 C1007 C1035 C8000 C1035
04 73 180 33 80 NA
C1018 C1007 C3 C8000 C1035
05 53 157 58 87 NA
C2012 C1007 C3 C8000 C1035
06 60 172 63 116 1
C2012 C1007 C3 C8000 C1035
07 86 177 91 116 48
C1030 C1007 C13 C8000 C1035
08 103 148 78 93 1
C1030 C1007 C13 C8000 C1035
09 94 131 81 109 1
C2012 C1007 C3 C8000 C1035
10 64 162 85 97 1
C20 C1007 C3 C8000 C1035
11 77 169 69 106 1
C8000 C8000 C3 C8000 C1035
12 62 110 40 93 1
C20 C1007 C1035 C8000 C1035
13 54 74 99 97 1
C20 C1007 C14 C8000 C1035
14 53 63 117 84 5
C2012 C20 C13 C8000 C1035
15 71 69 84 71 1
C1030 C20 C14 C8000 C1035
16 52 161 92 54 1
C20 C8000 C3 C8000 C1035
17 51 500 79 67 1
C20 C8000 C3 C8000 C1035
18 40 500 65 64 1
C20 C8000 C3 C8000 C1035
19 43 500 66 74 2
C20 C8000 C3 C8000 C1035
20 78 500 163 49 1
C20 C8000 C13 C8000 C1035
21 140 500 115 27 102
C20 C8000 C13 C32 C1035
22 NA NA NA NA 1
   C32 C1035

PLEASE NOTE: This data has not been verified by the TREX 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 TREX 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.