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Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 10:11 pm MST
Jan 2017
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 20 500 38 30 1
C2012 C2010 C3 C32 C1035
02 12 500 41 30 1
C20 C2010 C3 C1030 C1035
03 34 500 40 31 NA
C1018 C2010 C3 C32 C1035
04 10 500 49 47 NA
C1018 C2010 C3 C32 C1035
05 10 500 54 54 1
C20 C2010 C3 C32 C1035
06 22 500 51 34 NA
C20 C2010 C3 C1030 C1035
07 16 55 60 34 NA
C20 C20 C3 C32 C1035
08 9 23 60 32 1
C1030 C20 C3 C32 C1035
09 52 15 45 29 NA
C8000 C1007 C3 C32 C1035
10 10 16 39 36 NA
C1030 C1007 C3 C32 C1035
11 15 18 31 36 NA
C1030 C1007 C3 C32 C1035
12 19 21 30 34 1
C1030 C20 C3 C32 C1035
13 24 66 35 36 1
C20 C20 C3 C32 C1035
14 28 67 18 31 NA
C20 C20 C1035 C32 C1035
15 19 53 61 31 NA
C20 C20 C3 C32 C1035
16 24 63 30 34 NA
C20 C20 C1035 C32 C1035
17 32 71 43 36 1
C20 C20 C3 C32 C1035
18 23 57 43 33 1
C20 C20 C3 C32 C1035
19 10 31 47 25 1
C20 C20 C3 C1030 C1035
20 7 23 21 28 1
C20 C20 C3 C32 C1035
21 7 15 51 36 1
C1026 C20 C3 C1030 C1035
22 13 24 56 33 1
C1030 C1007 C3 C32 C1035
23 8 15 26 34 1
C1030 C1007 C3 C32 C1035
24 7 28 41 35 1
C1030 C1007 C3 C1030 C1035
25 14 38 39 33 1
C1026 C20 C3 C1030 C1035
26 13 45 39 34 1
C20 C20 C3 C1030 C1035
27 15 34 29 36 1
C1026 C20 C3 C1030 C1035
28 13 35 43 36 1
C1030 C20 C3 C32 C1035
29 24 68 35 35 1
C20 C20 C3 C1030 C1035
30 28 77 54 34 1
C20 C20 C3 C1030 C1035
31 55 58 43 33 2
C20 C20 C3 C1030 C1035

Feb 2017
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 19 51 43 32 2
C1026 C20 C1035 C1030 C1035
02 19 26 32 31 NA
C1030 C20 C3 C32 C1035
03 27 120 51 33 NA
C1030 C8000 C3 C32 C1035
04 19 17 46 34 NA
C1030 C8000 C3 C32 C1035
05 16 15 25 36 NA
C1030 C8000 C1035 C32 C1035
06 21 15 24 36 1
C1026 C8000 C3 C32 C1035
07 44 116 34 35 NA
C20 C20 C3 C32 C1035
08 15 17 51 33 NA
C1030 C8000 C3 C1030 C1035
09 25 14 46 34 NA
C1018 C8000 C3 C32 C1035
10 27 116 27 34 NA
C1018 C20 C1035 C1030 C1035
11 23 11 39 31 1
C1030 C20 C1035 C1030 C1035
12 18 32 32 36 2
C1030 C20 C3 C32 C1035
13 22 32 36 35 1
C20 C20 C3 C32 C1035
14 26 36 36 34 1
C20 C20 C3 C32 C1035
15 31 53 52 36 1
C20 C20 C3 C1030 C1035
16 20 30 33 37 1
C1026 C20 C3 C1030 C1035
17 28 120 29 38 1
C1030 C8000 C1035 C1030 C1035
18 14 20 47 39 NA
C1030 C8000 C1035 C32 C1035
19 42 157 46 35 NA
C20 C20 C1035 C32 C1035
20 7 15 47 38 NA
C1026 C8000 C1035 C32 C1035
21 7 117 42 39 1
C1030 C1007 C1035 C32 C1035
22 8 13 52 41 1
C1030 C1007 C1035 C32 C1035
23 16 187 52 41 1
C1030 C1007 C1035 C32 C1035
24 10 500 48 39 1
C1030 C1007 C1035 C1030 C1035
25 11 500 46 41 NA
C1030 C2010 C1035 C1030 C1035
26 14 500 41 42 1
C1030 C2010 C1035 C1030 C1035
27 10 500 42 36 NA
C1030 C2010 C1035 C32 C1035
28 9 500 49 37 1
C1026 C2010 C1035 C32 C1035

Mar 2017
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 20 500 43 39 1
C1026 C2010 C1035 C32 C1035
02 25 500 45 36 NA
C1026 C2010 C1035 C1030 C1035
03 28 500 45 39 NA
C1026 C2010 C1035 C32 C1035
04 36 500 54 39 NA
C1018 C2010 C1035 C1030 C1035
05 43 500 31 39 NA
C1018 C2010 C1035 C32 C1035
06 46 500 31 42 NA
C20 C2010 C1035 C1030 C1035
07 13 10 39 40 67
C1030 C8000 C1035 C32 C1035
08 16 12 23 42 1
C1026 C8000 C1035 C32 C1035
09 16 6 39 40 NA
C1030 C8000 C3 C1030 C1035
10 16 11 47 38 1
C1030 C8000 C1035 C1030 C1035
11 18 48 57 40 NA
C1026 C2010 C1035 C1030  
12 17 160 63 44 NA
C1030 C1007 C1035 C1030  
13 25 500 59 38 NA
C1026 C1007 C1035 C1030  
14 23 500 55 41 NA
C20 C1007 C1035 C1030  
15 56 500 61 42 NA
C20 C1007 C1035 C1030  
16 20 500 70 42 NA
C1026 C1007 C1035 C1030  
17 53 500 62 42 1
C20 C1007 C1035 C1030 C1035
18 36 500 59 43 1
C1018 C1007 C1035 C1030 C1035
19 23 467 61 43 1
C1030 C1007 C1035 C1030 C1035
20 35 379 64 47 1
C1018 C1007 C1035 C1030 C1035
21 28 32 60 42 2
C1030 C2010 C1035 C1030 C1035
22 32 30 18 40 1
C1030 C2010 C3 C32 C1035
23 12 32 17 39 2
C1030 C2010 C3 C1030 C1035
24 32 35 23 42 1
C1018 C2010 C3 C1030 C1035
25 18 26 19 45 1
C1030 C2010 C3 C1030 C1035
26 19 496 20 46 1
C1030 C1007 C3 C1030 C1035
27 18 496 23 47 1
C1030 C1007 C3 C1030 C1035
28 14 32 18 39 NA
C1030 C2010 C3 C32 C1035
29 24 33 19 42 NA
C1030 C2010 C3 C1030 C1035
30 73 170 25 43 NA
C1018 C8000 C3 C1030 C1035
31 61 36 26 40 NA
C1030 C2010 C3 C1030 C1035

Apr 2017
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 26 37 28 40 NA
C1030 C2010 C3 C1030 C1035
02 24 31 23 47 1
C1030 C2010 C3 C1030 C1035
03 45 33 20 47 NA
C1030 C2010 C3 C1030 C1035
04 16 36 20 44 1
C1026 C2010 C3 C1030 C1035
05 45 38 23 44 NA
C20 C2010 C3 C1030 C1035
06 61 36 36 49 1
C1018 C2010 C3 C1030 C1035
07 139 30 25 48 NA
C1018 C2010 C3 C1030 C1035
08 25 28 25 47 1
C1030 C2010 C3 C1030 C1035
09 39 36 21 64 NA
C1030 C2010 C3 C1030 C1035
10 35 385 26 71 NA
C1030 C2010 C3 C1030 C1035
11 36 500 42 46 NA
C1018 C2010 C1035 C32 C1035
12 36 500 31 71 1
C1028 C2010 C3 C1030 C1035
13 35 500 24 64 1
C1030 C2010 C3 C1030 C1035
14 36 500 18 54 1
C1030 C2010 C3 C1030 C1035
15 35 500 18 67 1
C1030 C2010 C3 C1030 C1035
16 33 500 26 87 NA
C1030 C2010 C1035 C1030 C1035
17 28 500 21 54 NA
C1030 C2010 C1035 C1030 C1035
18 47 500 26 45 1
C8000 C2010 C3 C1030 C1035
19 30 500 26 50 NA
C1030 C2010 C3 C1030 C1035
20 29 500 31 71 1
C1030 C2010 C3 C1030 C1035
21 24 500 18 61 1
C1030 C2010 C3 C1030 C1035
22 33 500 19 61 NA
C1030 C2010 C3 C1030 C1035
23 34 500 17 51 1
C1030 C2010 C3 C1030 C1035
24 30 500 15 58 1
C1030 C2010 C1035 C1030 C1035
25 50 500 16 49 NA
C1030 C8000 C3 C1030 C1035
26 30 500 20 51 1
C1018 C8000 C3 C1030 C1035
27 33 500 20 49 1
C1030 C2010 C1035 C1030 C1035
28 46 500 24 49 1
C1030 C2010 C1035 C1030 C1035
29 41 500 24 37 1
C1018 C2010 C1035 C1030 C1035
30 24 500 23 49 1
C1026 C2010 C3 C1030 C1035

May 2017
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 26 500 20 54 1
C1030 C2010 C3 C1030 C1035
02 31 500 23 35 1
C1030 C2010 C3 C32 C1035
03 25 500 19 47 1
C1030 C2010 C3 C1030 C1035
04 39 500 23 61 1
C1018 C2010 C3 C1030 C1035
05 40 500 28 51 NA
C1018 C2010 C3 C1030 C1035
06 74 500 17 42 NA
C1018 C2010 C3 C1030 C1035
07 58 500 24 36 1
C1030 C2010 C3 C1030 C1035
08 41 500 21 42 NA
C1030 C2010 C3 C1030 C1035
09 23 500 24 44 NA
C1026 C2010 C3 C1030 C1035
10 24 500 32 47 1
C1026 C2010 C3 C1030 C1035
11 24 500 39 61 NA
C1026 C2010 C3 C1030 C1035
12 75 500 19 44 1
C20 C2010 C1035 C1023 C1035
13 24 500 17 47 1
C1030 C2010 C3 C1023 C1035
14 26 500 19 40 NA
C1030 C2010 C3 C1023 C1035
15 30 500 17 31 NA
C1030 C1007 C1035 C32 C1035
16 38 500 20 47 2
C1030 C2010 C3 C1030 C1035
17 27 500 40 46 2
C1030 C2010 C1035 C1030 C1035
18 14 500 42 80 2
C1030 C2010 C1035 C32 C1035
19 22 500 25 45 2
C1026 C2010 C1035 C1030 C1035
20 22 500 23 42 2
C1030 C2010 C1035 C1030 C1035
21 21 500 23 51 2
C1026 C2010 C3 C1030 C1035
22 26 500 25 50 2
C1026 C2010 C3 C1030 C1035
23 26 500 26 50 3
C1026 C2010 C3 C1030 C1035
24 36 500 37 51 2
C20 C2010 C1035 C1030 C1035
25 42 500 22 29 3
C1026 C2010 C1035 C32 C1035
26 39 500 24 39 2
C1026 C2010 C3 C1023 C1035
27 25 500 27 31 3
C1030 C2010 C1035 C32 C1035
28 31 500 27 32 2
C1030 C2010 C3 C32 C1035
29 39 500 29 31 2
C1030 C2010 C3 C1023 C1035
30 52 500 31 50 2
C20 C2010 C3 C1030 C1035
31 29 500 32 50 1
C1018 C2010 C3 C1030 C1035

Jun 2017
Date PM-10  PM-2.5  PM-2.5  O3  SO2 
01 27 500 26 44 1
C1030 C1007 C3 C1030 C1035
02 33 500 22 67 1
C1030 C2010 C1035 C1030 C1035
03 34 500 23 67 1
C1030 C2010 C1035 C1030 C1035
04 51 500 24 49 1
C20 C2010 C3 C1030 C1035
05 31 500 20 50 1
C1030 C2010 C3 C1030 C1035
06 36 500 23 49 1
C1030 C2010 C3 C1030 C1035
07 57 500 31 46 2
C20 C2010 C3 C1030 C1035
08 77 500 29 48 2
C20 C2010 C3 C1030 C1035
09 52 500 23 64 1
C20 C2010 C1035 C1030 C1035
10 31 500 32 44 1
C1030 C2010 C1035 C1030 C1035
11 60 500 49 58 1
C1018 C2010 C1035 C32 C1035
12 29 39 51 44 1
C1030 C20 C1035 C1030 C1035
13 29 34 38 93 NA
C1030 C1007 C1035 C1030 C1035
14 30 33 31 122 NA
C1030 C20 C1035 C1030 C1035
15 33 32 24 100 NA
C1030 C20 C3 C1030 C1035
16 39 122 19 93 NA
C1030 C20 C3 C1030 C1035
17 38 34 27 87 1
C1030 C20 C1035 C1030 C1035
18 43 32 29 84 NA
C1030 C20 C1035 C1030 C1035
19 38 41 22 77 NA
C1030 C20 C1035 C1030 C1035
20 51 42 25 50 1
C1030 C20 C3 C1030 C1035
21 41 140 22 90 2
C1030 C8000 C1035 C1030 C1035
22 45 34 28 51 2
C1030 C20 C1035 C1030 C1035
23 55 160 21 50 2
C20 C20 C1035 C1030 C1035
24 44 32 29 67 2
C1030 C20 C1035 C1030 C1035
25 53 40 26 51 2
C1030 C20 C3 C1030 C1035
26 44 161 28 33 2
C20 C1007 C3 C32 C1035
27 41 44 25 47 2
C1030 C20 C3 C1030 C1035
28 40 37 30 58 1
C1030 C20 C3 C1030 C1035
29 53 123 29 50 NA
C20 C20 C3 C1030 C1035
30 36 39 29 50 NA
C1030 C20 C1035 C1030 C1035

Jul 2017
Date PM-10 PM-2.5 PM-2.5 O3 SO2
01 57 40 29 47 NA
C1018 C20 C3 C1030 C1035
02 40 51 33 44 NA
C1028 C20 C3 C1023 C1035
03 51 55 35 43 NA
C8000 C20 C3 C1023 C1035
04 36 61 32 47 NA
C1030 C20 C3 C1030 C1035
05 52 69 35 48 NA
C1026 C20 C3 C1030 C1035
06 56 62 38 54 NA
C1026 C20 C1035 C1030 C1035
07 37 63 37 74 1
C1030 C20 C3 C1030 C1035
08 39 64 32 46 NA
C1030 C20 C3 C1030 C1035
09 39 66 31 50 NA
C1030 C20 C3 C1030 C1035
10 78 184 43 77 NA
C20 C20 C14 C1030 C1035
11 82 193 36 54 NA
C20 C20 C1035 C1030 C1035
12 27 45 29 49 1
C1026 C20 C3 C1030 C1035
13 46 55 31 47 NA
C1030 C20 C3 C1030 C1035
14 33 135 35 42 NA
C20 C20 C3 C1030 C1035
15 43 58 41 49 NA
C20 C20 C3 C1030 C1035
16 68 60 30 51 NA
C8000 C20 C3 C1030 C1035
17 57 166 22 54 NA
C20 C8000 C1035 C1030 C1035
18 34 52 33 50 NA
C1026 C20 C3 C1030 C1035
19 36 53 44 48 NA
C1026 C20 C3 C1030 C1035
20 36 55 51 50 NA
C20 C20 C3 C1030 C1035
21 26 41 39 47 NA
C1026 C20 C1035 C1030 C1035
22 31 45 27 42 NA
C1026 C20 C3 C1030 C1035
23 32 45 31 39 NA
C1026 C20 C3 C1030 C1035
24 54 51 157 34 NA
C1026 C20 C14 C1030 C1035
25 28 52 29 37 1
C1026 C20 C3 C1030 C1035
26 23 56 54 45 1
C1026 C20 C3 C1030 C1035
27 20 129 53 43 1
C20 C20 C13 C1030 C1035
28 58 75 40 43 1
C20 C20 C3 C1030 C1035
29 54 500 31 42 1
C20 C2010 C3 C1030 C1035
30 34 500 27 42 2
C1026 C2010 C3 C1030 C1035
31 68 500 34 39 1
C8000 C2010 C3 C1030 C1035
Aug 2017
Date PM-10 PM-2.5 PM-2.5 O3 SO2
01 54 500 51 40 1
C20 C2010 C3 C1030 C1035
02 46 500 65 36 NA
C20 C2010 C3 C1030  
03 49 500 91 42 NA
C20 C2010 C13 C1030  
04 51 500 111 77 NA
C20 C2010 C14 C1030  
05 59 500 160 38 NA
C20 C2010 C14 C1030  
06 70 500 123 40 NA
C20 C2010 C3 C1030  
07 52 500 115 43 NA
C20 C2010 C3 C1030  
08 45 500 114 47 NA
C20 C2010 C3 C1030  
09 60 500 123 48 NA
C20 C2010 C14 C1030  
10 39 500 153 36 NA
C1030 C2010 C3 C1030  
11 41 500 157 46 NA
C20 C2010 C3 C1030  
12 38 500 144 42 NA
C1018 C2010 C3 C1030  
13 38 500 56 40 NA
C1018 C2010 C3 C1030  
14 26 500 26 39 NA
C1028 C2010 C1035 C1030  
15 25 500 40 39 NA
C1028 C2010 C3 C1030  
16 36 500 46 35 NA
C20 C2010 C3 C1030  
17 39 500 41 23 NA
C20 C2010 C3 C1023  
18 33 500 49 50 NA
C1026 C2010 C1035 C1030  

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.