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Air Quality Index Yearly Summary

Reporting for

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

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

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

Apr 2017
Date PM-10  PM-2.5  O3  SO2 
01 26 28 40 NA
C1030 C3 C1030 C1035
02 24 23 47 1
C1030 C3 C1030 C1035
03 45 20 47 NA
C1030 C3 C1030 C1035
04 16 20 44 1
C1026 C3 C1030 C1035
05 45 23 44 NA
C20 C3 C1030 C1035
06 61 36 49 1
C1018 C3 C1030 C1035
07 139 25 48 NA
C1018 C3 C1030 C1035
08 25 25 47 1
C1030 C3 C1030 C1035
09 39 21 64 NA
C1030 C3 C1030 C1035
10 35 26 71 NA
C1030 C3 C1030 C1035
11 36 42 64 NA
C1018 C1035 C1030 C1035
12 36 31 71 1
C1028 C3 C1030 C1035
13 95 24 64 1
C8000 C3 C1030 C1035
14 36 18 54 1
C1030 C3 C1030 C1035
15 35 18 67 1
C1030 C3 C1030 C1035
16 33 26 87 NA
C1030 C1035 C1030 C1035
17 28 21 54 NA
C1030 C1035 C1030 C1035
18 47 26 45 1
C8000 C3 C1030 C1035
19 388 26 50 NA
C8000 C3 C1030 C1035
20 500 31 71 1
C8000 C3 C1030 C1035
21 500 18 61 1
C8000 C3 C1030 C1035
22 500 19 61 NA
C8000 C3 C1030 C1035
23 500 17 51 1
C8000 C3 C1030 C1035
24 500 15 58 1
C8000 C1035 C1030 C1035
25 500 16 49 NA
C8000 C3 C1030 C1035
26 500 20 51 1
C8000 C3 C1030 C1035
27 307 20 49 1
C8000 C1035 C1030 C1035
28 46 24 49 1
C1030 C1035 C1030 C1035
29 41 24 37 1
C1018 C1035 C1030 C1035
30 26 20 48 1
C1026 C3 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.