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Air Quality Index Yearly Summary

Reporting for

Daily AQI Results for all Metro Areas
From results published at 10:12 pm 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 46 500 71 36 1
C8000 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 C8000 C1035 C8000 C1035
14 19 500 54 38 NA
C1026 C8000 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 66 500 52 169 1
C8000 C2010 C1035 C8000 C1035
19 54 500 49 154 NA
C8000 C2010 C1035 C8000 C1035
20 59 500 49 37 1
C8000 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 40 500 45 38 1
C8000 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 17 336 51 39 1
C20 C8000 C1035 C32 C1035
08 23 500 49 40 1
C1030 C8000 C1035 C1030 C1035
09 22 500 50 41 1
C1030 C8000 C1035 C1030 C1035
10 21 500 51 36 1
C1030 C8000 C1035 C8000 C1035
11 12 500 49 35 1
C2012 C8000 C1035 C8000 C1035
12 46 456 51 41 1
C8000 C8000 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
23 500 17 53 43 NA
C8000 C1007 C1035 C1030 C1035
24 500 15 53 45 NA
C8000 C1007 C1035 C8000 C1035
25 500 14 56 44 1
C8000 C8000 C1035 C1030 C1035
26 339 6 57 47 3
C8000 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 25 13 63 54 NA
C1030 C20 C1035 C1030 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.