All data are collected real-time and have not been corrected nor validated.
Hourly averages in PPB for 04/11/2023
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*Hour (MST) |
ACAD | **ASPN | AURE | BHWK | BOUR | CAMP | CASA | CHAT | CTZ | EVG | FTC | FTCW | GRET | HLD | MAN | NREL | PAL | PAO | PWES | RFN | RIFLO3 | WBY | |
1:00 AM | 1hr 8hr AQI |
17 36 33 |
50 48 44 |
51 46 43 |
55 58 61 |
34 40 37 |
48 38 35 |
34 31 29 |
55 47 44 |
36 36 33 |
41 49 45 |
30 34 31 |
44 52 48 |
13 37 34 |
52 47 44 |
50 54 50 |
45 50 46 |
35 42 39 |
23 40 37 |
34 35 32 |
54 53 49 |
33 39 36 |
21 27 25 |
2:00 AM | 1hr 8hr AQI |
14 30 28 |
49 48 44 |
51 46 43 |
53 57 58 |
31 36 33 |
46 36 33 |
41 29 27 |
56 46 43 |
33 33 31 |
41 46 43 |
25 30 28 |
42 49 45 |
15 31 29 |
49 46 43 |
51 52 48 |
53 49 45 |
34 40 37 |
27 36 33 |
31 33 31 |
55 52 48 |
24 35 32 |
16 22 20 |
3:00 AM | 1hr 8hr AQI |
25 27 25 |
50 48 44 |
50 46 43 |
52 55 51 |
29 34 31 |
46 36 33 |
45 28 26 |
57 47 44 |
33 31 29 |
41 44 41 |
19 25 23 |
38 47 44 |
20 28 26 |
54 46 43 |
51 51 47 |
52 49 45 |
30 37 34 |
24 34 31 |
33 32 30 |
53 52 48 |
21 32 30 |
37 21 19 |
4:00 AM | 1hr 8hr AQI |
25 24 22 |
51 49 45 |
50 47 44 |
52 54 50 |
31 33 31 |
46 38 35 |
41 31 29 |
56 48 44 |
31 30 28 |
42 43 40 |
12 23 21 |
38 44 41 |
8 24 22 |
53 48 44 |
51 51 47 |
50 50 46 |
30 35 32 |
27 31 29 |
34 32 30 |
52 52 48 |
22 30 28 |
25 20 19 |
5:00 AM | 1hr 8hr AQI |
26 23 21 |
46 48 44 |
50 48 44 |
52 54 50 |
29 31 29 |
47 40 37 |
45 36 33 |
54 49 45 |
30 31 29 |
38 42 39 |
11 20 19 |
39 42 39 |
3 20 19 |
51 49 45 |
50 50 46 |
49 50 46 |
28 33 31 |
22 29 27 |
28 31 29 |
53 52 48 |
13 27 25 |
18 20 19 |
6:00 AM | 1hr 8hr AQI |
13 20 19 |
35 47 44 |
47 49 45 |
51 53 49 |
27 30 28 |
41 44 41 |
37 38 35 |
52 50 46 |
32 32 30 |
40 41 38 |
12 20 19 |
36 40 37 |
3 16 15 |
48 50 46 |
48 50 46 |
47 50 46 |
27 32 30 |
29 28 26 |
26 30 28 |
54 52 48 |
9 24 22 |
3 18 17 |
7:00 AM | 1hr 8hr AQI |
14 19 18 |
47 46 43 |
51 49 45 |
54 53 49 |
30 30 28 |
37 44 41 |
28 38 35 |
51 52 48 |
31 32 30 |
33 39 36 |
12 18 17 |
29 39 36 |
7 13 12 |
46 50 46 |
47 49 45 |
47 49 45 |
26 30 28 |
23 26 24 |
25 30 28 |
52 52 48 |
7 20 19 |
11 19 18 |
8:00 AM | 1hr 8hr AQI |
36 21 19 |
50 46 43 |
50 46 |
60 53 49 |
33 30 28 |
36 43 40 |
36 38 35 |
52 54 50 |
33 32 30 |
44 40 37 |
21 17 16 |
34 37 34 |
17 10 9 |
46 49 45 |
53 50 46 |
41 48 44 |
29 29 27 |
22 24 22 |
33 30 28 |
48 52 48 |
17 18 17 |
20 18 17 |
9:00 AM | 1hr 8hr AQI |
21 19 |
53 47 44 |
56 50 46 |
63 54 50 |
36 30 28 |
38 42 39 |
43 39 36 |
53 53 49 |
42 33 31 |
51 41 38 |
29 17 16 |
46 37 34 |
31 13 12 |
48 49 45 |
50 50 46 |
33 46 43 |
36 30 28 |
33 25 23 |
39 31 29 |
55 52 48 |
24 17 16 |
18 17 |
10:00 AM | 1hr 8hr AQI |
42 25 23 |
55 47 44 |
58 51 47 |
64 56 54 |
41 32 30 |
46 42 39 |
50 40 37 |
57 54 50 |
51 35 32 |
61 43 40 |
42 19 18 |
53 39 36 |
35 15 14 |
49 45 |
50 50 46 |
49 46 43 |
39 30 28 |
46 28 26 |
40 32 30 |
64 53 49 |
30 17 16 |
41 22 20 |
11:00 AM | 1hr 8hr AQI |
49 29 27 |
59 48 44 |
63 53 49 |
64 57 58 |
54 35 32 |
52 42 39 |
57 42 39 |
60 54 50 |
53 37 34 |
67 47 44 |
47 23 21 |
57 41 38 |
41 18 17 |
48 44 |
52 50 46 |
57 46 43 |
44 32 30 |
56 32 30 |
44 33 31 |
62 55 51 |
36 19 18 |
55 24 22 |
12:00 PM | 1hr 8hr AQI |
54 33 31 |
60 50 46 |
65 55 51 |
62 58 61 |
61 38 35 |
62 44 41 |
63 44 41 |
61 55 51 |
53 40 37 |
66 50 46 |
58 29 27 |
64 44 41 |
53 23 21 |
56 50 46 |
64 48 44 |
50 34 31 |
65 37 34 |
47 35 32 |
64 56 54 |
42 22 20 |
61 29 27 |
|
1:00 PM | 1hr 8hr AQI |
56 37 34 |
60 51 47 |
67 58 61 |
61 59 64 |
64 43 40 |
64 47 44 |
67 47 44 |
64 56 54 |
53 43 40 |
67 53 49 |
61 35 32 |
67 48 44 |
62 31 29 |
59 51 47 |
68 50 46 |
55 38 35 |
67 42 39 |
50 38 35 |
67 58 61 |
49 26 24 |
66 36 33 |
|
2:00 PM | 1hr 8hr AQI |
57 44 41 |
60 54 50 |
67 61 71 |
61 61 71 |
65 48 44 |
66 50 46 |
71 51 47 |
67 58 61 |
55 46 43 |
69 57 58 |
61 41 38 |
64 51 47 |
63 38 35 |
62 |
60 53 49 |
71 53 49 |
56 41 38 |
70 47 44 |
49 40 37 |
69 60 67 |
51 32 30 |
70 46 43 |
3:00 PM | 1hr 8hr AQI |
58 50 46 |
58 56 54 |
66 63 77 |
62 62 74 |
60 51 47 |
69 54 50 |
74 57 58 |
70 60 67 |
55 49 45 |
72 62 74 |
57 47 44 |
63 56 54 |
65 45 42 |
63 |
62 55 51 |
74 57 58 |
55 45 42 |
73 54 50 |
49 43 40 |
70 62 74 |
54 37 34 |
69 54 50 |
4:00 PM | 1hr 8hr AQI |
59 53 49 |
58 57 58 |
65 63 77 |
65 62 74 |
62 55 51 |
70 58 61 |
76 62 74 |
76 63 77 |
56 52 48 |
77 66 87 |
58 51 47 |
63 59 64 |
69 52 48 |
67 |
63 56 54 |
71 60 67 |
57 49 45 |
75 60 67 |
49 45 42 |
68 64 80 |
55 42 39 |
71 61 71 |
5:00 PM | 1hr 8hr AQI |
60 54 50 |
58 57 58 |
63 64 80 |
62 62 74 |
62 58 61 |
69 62 74 |
72 66 87 |
81 67 90 |
56 54 50 |
80 69 97 |
61 55 51 |
63 61 71 |
70 57 58 |
72 |
63 58 61 |
69 65 84 |
55 51 47 |
76 66 87 |
49 47 44 |
64 66 87 |
54 46 43 |
68 62 74 |
6:00 PM | 1hr 8hr AQI |
59 56 54 |
52 57 58 |
67 65 84 |
61 62 74 |
59 60 67 |
65 64 80 |
65 68 93 |
78 69 97 |
55 54 50 |
75 71 101 |
61 58 61 |
65 63 77 |
63 60 67 |
72 |
62 59 64 |
65 67 90 |
55 53 49 |
73 69 97 |
48 48 44 |
61 65 84 |
54 49 45 |
63 65 84 |
7:00 PM | 1hr 8hr AQI |
56 57 58 |
50 56 54 |
64 65 84 |
58 61 71 |
56 61 71 |
50 64 80 |
51 67 90 |
69 70 100 |
50 54 50 |
58 70 100 |
47 58 61 |
61 63 77 |
55 62 74 |
66 67 90 |
58 60 67 |
58 67 90 |
50 54 50 |
56 69 97 |
44 48 44 |
60 65 84 |
47 50 46 |
51 64 80 |
8:00 PM | 1hr 8hr AQI |
42 55 51 |
51 55 51 |
57 64 80 |
54 60 67 |
50 59 64 |
28 60 67 |
41 64 80 |
61 70 100 |
37 52 48 |
56 69 97 |
19 53 49 |
57 62 74 |
48 61 71 |
56 65 84 |
58 60 67 |
52 66 87 |
48 53 49 |
54 68 93 |
36 46 43 |
59 64 80 |
32 49 45 |
44 62 74 |
9:00 PM | 1hr 8hr AQI |
43 54 50 |
50 54 50 |
56 63 77 |
54 59 64 |
61 59 64 |
28 55 51 |
36 60 67 |
57 69 97 |
31 49 45 |
52 67 90 |
9 46 43 |
54 61 71 |
46 59 64 |
51 63 77 |
56 60 67 |
52 64 80 |
45 52 48 |
52 66 87 |
38 45 42 |
58 63 77 |
34 47 44 |
30 58 61 |
10:00 PM | 1hr 8hr AQI |
35 51 47 |
48 52 48 |
54 61 71 |
53 58 61 |
53 57 58 |
24 50 46 |
24 54 50 |
53 68 93 |
28 46 43 |
50 65 84 |
31 42 39 |
52 59 64 |
21 54 50 |
57 63 77 |
53 59 64 |
52 61 71 |
37 50 46 |
45 63 77 |
40 44 41 |
57 62 74 |
35 45 42 |
21 52 48 |
11:00 PM | 1hr 8hr AQI |
23 47 44 |
49 51 47 |
51 59 64 |
52 57 58 |
47 56 54 |
39 46 43 |
28 49 45 |
46 65 84 |
26 42 39 |
46 61 71 |
23 38 35 |
50 58 61 |
29 50 46 |
54 61 71 |
52 58 61 |
53 59 64 |
35 47 44 |
39 58 61 |
39 42 39 |
55 60 67 |
35 43 40 |
21 46 43 |
12:00 AM | 1hr 8hr AQI |
24 42 39 |
51 51 47 |
51 57 58 |
50 55 51 |
49 54 50 |
46 43 40 |
34 43 40 |
42 60 67 |
26 38 35 |
41 57 58 |
21 34 31 |
46 56 54 |
31 45 42 |
49 59 64 |
53 56 54 |
52 56 54 |
37 45 42 |
41 54 50 |
40 41 38 |
56 58 61 |
39 41 38 |
8 38 35 |
Max Value | 1hr 8hr AQI |
60 57 58 |
60 57 58 |
67 65 84 |
65 62 74 |
65 61 71 |
70 64 80 |
76 68 93 |
81 70 100 |
56 54 50 |
80 71 101 |
61 58 61 |
67 63 77 |
70 62 74 |
72 67 90 |
63 60 67 |
74 67 90 |
57 54 50 |
76 69 97 |
50 48 44 |
70 66 87 |
55 50 46 |
71 65 84 |
*Hour (MST) |
ACAD | **ASPN | AURE | BHWK | BOUR | CAMP | CASA | CHAT | CTZ | EVG | FTC | FTCW | GRET | HLD | MAN | NREL | PAL | PAO | PWES | RFN | RIFLO3 | WBY |
Key: | [blank] | [ - ] (diagnostic) | [Yellow] | [Orange] |
no data available/reported | reported data below zero | highest value for the hour | highest value for the day |
* All data are reported in Mountain Standard Time (MST). During daylight savings time add one hour to the reported hour.
** ASPN - These data are provided courtesy of the city of Aspen.