| Ada |
Boise White Pine |
µg/m³ |
72.9 |
58.4 |
60.7 |
60 |
60.5 |
61.6 |
62.8 |
63.9 |
64.8 |
65 |
65.3 |
66.5 |
68.4 |
69.8 |
71.1 |
72 |
72.6 |
72.9 |
72.5 |
70.9 |
67.2 |
62.8 |
58.5 |
54 |
50 |
| Ada |
Meridian |
µg/m³ |
84.4 |
65.2 |
64.3 |
65 |
65.9 |
67.3 |
69.1 |
70.7 |
71.6 |
72.5 |
74.9 |
76.3 |
78.3 |
80.1 |
81.6 |
83 |
84 |
84.4 |
83.5 |
78.9 |
73.7 |
68.3 |
63 |
58.6 |
54.2 |
| Bannock |
Pocatello |
µg/m³ |
29 |
28.1 |
29 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Benewah |
St Maries PM2.5 |
µg/m³ |
47.5 |
45.7 |
46 |
46.4 |
46.8 |
47.1 |
47.4 |
47.5 |
46.9 |
46 |
44.6 |
44.7 |
45 |
45 |
45 |
44.7 |
44.3 |
43.9 |
43.2 |
42 |
41 |
40 |
38.7 |
37.7 |
36.4 |
| Blaine |
Ketchum |
µg/m³ |
13 |
13 |
13 |
13 |
12.9 |
12.9 |
12.6 |
12.5 |
12.2 |
11.9 |
11.4 |
11.3 |
11 |
10.7 |
10.4 |
10.3 |
10.1 |
9.7 |
9.6 |
9.4 |
9.2 |
9.1 |
8.8 |
8.7 |
8.6 |
| Boise |
Garden Valley |
µg/m³ |
31.6 |
24.9 |
23.7 |
23 |
22.7 |
22.5 |
22.8 |
23.2 |
23.4 |
24.3 |
25.5 |
26.7 |
27.8 |
28.7 |
29.6 |
30.2 |
30.8 |
31.2 |
31.6 |
31.2 |
30.6 |
30 |
29.5 |
29.2 |
28.7 |
| Boise |
Idaho City |
µg/m³ |
25.7 |
21.1 |
19.6 |
18.5 |
17.8 |
17.4 |
17.5 |
17.7 |
18.3 |
19.2 |
20.2 |
21 |
21.9 |
22.6 |
23.2 |
23.8 |
24.1 |
24.5 |
24.5 |
24.8 |
25.2 |
25.3 |
25.6 |
25.7 |
25.5 |
| Bonner |
Sandpoint |
µg/m³ |
34.4 |
34.4 |
32.8 |
31.2 |
29.5 |
27.9 |
26.4 |
25 |
23.5 |
22.5 |
22.1 |
21.7 |
21.5 |
21.6 |
21.6 |
21.6 |
21.7 |
21.7 |
21.3 |
21.5 |
21.5 |
21.3 |
21.4 |
21.4 |
21 |
| Bonneville |
Idaho Falls |
µg/m³ |
23.6 |
19.2 |
19 |
18.9 |
18.9 |
19.1 |
18.9 |
18.7 |
18.1 |
18.2 |
19 |
20.2 |
21.6 |
21.7 |
21.9 |
22.1 |
22.4 |
22.7 |
23.1 |
23.6 |
23.6 |
23.3 |
23.1 |
22.9 |
22.6 |
| Boundary |
Bonners Ferry |
µg/m³ |
31.9 |
31.9 |
29.9 |
28.1 |
26 |
24.2 |
22.3 |
20.3 |
18.7 |
18.6 |
18 |
17.4 |
17 |
16.4 |
15.9 |
15.7 |
15.7 |
15.6 |
15.6 |
15.6 |
15.5 |
15.4 |
15.7 |
15.7 |
15.6 |
| Boundary |
Mt Hall |
µg/m³ |
19.5 |
19.5 |
19.3 |
18.9 |
18.3 |
17.8 |
17.3 |
16.7 |
16.1 |
15.5 |
15.1 |
15 |
14.9 |
14.8 |
14.8 |
14.7 |
14.5 |
14.3 |
13.9 |
13.9 |
13.8 |
14.1 |
14.1 |
14.1 |
14.1 |
| Boundary |
Porthill |
µg/m³ |
16.6 |
16 |
16.1 |
16 |
15.4 |
14.5 |
14.3 |
14.3 |
14 |
13.7 |
13.6 |
13.4 |
13.5 |
13.4 |
13.3 |
13.3 |
13.7 |
13.6 |
13.9 |
14.3 |
14.8 |
15.3 |
15.7 |
16.3 |
16.6 |
| Canyon |
Nampa |
µg/m³ |
97.8 |
70.7 |
72.1 |
74.7 |
77.3 |
80 |
82.6 |
84.9 |
87.2 |
88.1 |
90 |
91.7 |
93.5 |
94.7 |
96.1 |
97.4 |
97.8 |
96.7 |
92.8 |
87.5 |
81.5 |
76.1 |
71.2 |
66.8 |
62.9 |
| Clearwater |
Orofino - Nez Perce Tribe |
µg/m³ |
48 |
39.9 |
41.3 |
42 |
42.5 |
43.6 |
44.5 |
45.4 |
46 |
47.5 |
48 |
48 |
46.7 |
45 |
42.3 |
40.5 |
38.7 |
37.5 |
36.6 |
36.3 |
35.3 |
34.4 |
33.6 |
33.2 |
32.3 |
| Franklin |
Preston |
µg/m³ |
19 |
19 |
18.7 |
18.5 |
18.5 |
18.4 |
18 |
18 |
17.7 |
17.1 |
16.7 |
16.7 |
16.7 |
16.3 |
16.2 |
16.2 |
16.2 |
16.3 |
16.5 |
16.3 |
16.3 |
16.1 |
16.1 |
16.1 |
15.9 |
| Idaho |
Cottonwood |
µg/m³ |
48.9 |
45.5 |
46.3 |
46.8 |
47.2 |
46.6 |
47.3 |
48.1 |
48.8 |
48.8 |
48.9 |
48.4 |
46.9 |
45.6 |
44.3 |
42.3 |
40.3 |
38 |
36.9 |
36.2 |
35.6 |
35 |
34.1 |
33.2 |
32.4 |
| Idaho |
Grangeville |
µg/m³ |
50.3 |
45.1 |
46.3 |
47.6 |
48.7 |
48.9 |
48.3 |
48.4 |
49.2 |
49.9 |
49.7 |
50.3 |
50.2 |
49.5 |
48.9 |
47.8 |
45.7 |
43.5 |
41.8 |
39.7 |
38.1 |
36.8 |
35.6 |
34.8 |
34.1 |
| Kootenai |
Coeur d'Alene |
µg/m³ |
72 |
72 |
70.8 |
69.8 |
69.5 |
69 |
68.7 |
68.6 |
68.2 |
67.2 |
66.5 |
65.9 |
65.2 |
64.9 |
64.3 |
64.2 |
63.9 |
63.3 |
61.8 |
59.5 |
56.5 |
53.7 |
51.8 |
50.5 |
48.5 |
| Latah |
Juliaetta |
µg/m³ |
47.6 |
40.9 |
42 |
42.5 |
43.1 |
44.3 |
45.3 |
45.8 |
46.1 |
46.6 |
47.1 |
47.6 |
47.3 |
45.8 |
44.9 |
44.3 |
43.8 |
43.6 |
43.3 |
43.1 |
42.4 |
41.6 |
40.5 |
39.8 |
38.6 |
| Latah |
Troy |
µg/m³ |
54 |
49.7 |
50.3 |
51.4 |
52.2 |
52.6 |
52.7 |
53.1 |
54 |
53 |
52.2 |
51.3 |
51 |
50.5 |
50 |
49.6 |
49.4 |
48.8 |
48 |
46.8 |
45.8 |
45 |
44.1 |
43.1 |
41.5 |
| Lemhi |
Salmon |
µg/m³ |
25.2 |
19 |
19 |
19.1 |
19.2 |
19.6 |
20.2 |
20.4 |
20.8 |
21.8 |
22.5 |
23.5 |
24.2 |
24.9 |
25 |
25.2 |
25.2 |
25.2 |
25 |
24.7 |
24.1 |
23.5 |
23.1 |
22.3 |
21.9 |
| Lewis |
Nezperce - Nez Perce Tribe |
µg/m³ |
56.8 |
46.1 |
47.5 |
48.4 |
49.3 |
50.2 |
51.6 |
52.8 |
54.7 |
56.1 |
56.8 |
56.8 |
56.2 |
53.8 |
51 |
48 |
45.5 |
44 |
42.3 |
42 |
41.4 |
40.9 |
40.2 |
39.4 |
38.4 |
| Lewis |
Reubens - Nez Perce Tribe |
µg/m³ |
53.9 |
42.8 |
44.5 |
45.7 |
46.9 |
48.3 |
50 |
52 |
53.2 |
53.9 |
53.5 |
52.6 |
51.3 |
49 |
45.7 |
42.8 |
41.6 |
40.8 |
39.7 |
38.9 |
38 |
37 |
36.4 |
35.5 |
34.8 |
| Lewis/Idaho |
Kamiah - Nez Perce Tribe |
µg/m³ |
55.6 |
39.4 |
41.2 |
43 |
44.7 |
46.8 |
48.3 |
50.1 |
51.9 |
53.3 |
55 |
55.6 |
55.1 |
54.6 |
51.8 |
49.4 |
47 |
45.2 |
44.3 |
42.5 |
40.7 |
39.5 |
38.7 |
37.5 |
36.6 |
| Madison |
Rexburg |
µg/m³ |
20.8 |
18 |
18.1 |
17.8 |
17.9 |
17.9 |
18.1 |
18.2 |
17.9 |
17.7 |
17.7 |
18.1 |
18.4 |
18.6 |
19.2 |
19.5 |
19.5 |
19.7 |
19.8 |
20.3 |
20.7 |
20.8 |
20.8 |
20.6 |
20.8 |
| Nez Perce |
Lapwai - Nez Perce Tribe |
µg/m³ |
52 |
37.6 |
39.4 |
41.2 |
42.9 |
44.7 |
46.2 |
47.8 |
49.3 |
50.5 |
51.6 |
52 |
51.4 |
49.5 |
47 |
45.6 |
44.4 |
43.2 |
42 |
40.7 |
39.8 |
38.6 |
37.7 |
36.7 |
35.8 |
| Nez Perce |
Lewiston |
µg/m³ |
48.6 |
34.5 |
36.5 |
38.4 |
40 |
41.5 |
42.7 |
44.1 |
45.4 |
46.3 |
47.5 |
48.2 |
48.6 |
47.5 |
46.7 |
45.4 |
44.1 |
43.5 |
43.2 |
42.9 |
42.5 |
42.2 |
41.5 |
41.1 |
41 |
| Shoshone |
Pinehurst |
µg/m³ |
44.1 |
44.1 |
42.3 |
40.5 |
38.7 |
36.7 |
34.8 |
32.7 |
30.4 |
27.5 |
25.3 |
24.5 |
24.2 |
24.8 |
25 |
24.8 |
24.6 |
24.5 |
24.4 |
24.1 |
23.9 |
23.7 |
23.7 |
23.5 |
23.2 |
| Twin Falls |
Twin Falls |
µg/m³ |
56 |
30.6 |
32.9 |
35.1 |
37.5 |
38.7 |
39.7 |
40.7 |
41.6 |
42.8 |
44.2 |
45.5 |
47.2 |
48.4 |
49.2 |
50 |
50.4 |
51 |
51.9 |
53.1 |
54.1 |
55.3 |
56 |
56 |
54.5 |
| Valley |
McCall |
µg/m³ |
41.4 |
29 |
30.8 |
32.7 |
34.5 |
36.3 |
37.8 |
39.4 |
40.9 |
41.4 |
41.2 |
40.7 |
40.5 |
39.9 |
38.9 |
38 |
37.3 |
36.5 |
35.6 |
34.3 |
32.6 |
31.3 |
30.2 |
28.7 |
27.5 |
| Washington |
Weiser |
µg/m³ |
58.1 |
44 |
43.8 |
44.2 |
45.7 |
47.6 |
49.9 |
52.3 |
54.6 |
56.2 |
57.2 |
57.9 |
58 |
58.1 |
57.8 |
56.7 |
55.5 |
54.8 |
54.3 |
54.1 |
53.9 |
53.8 |
53.6 |
53.4 |
53.7 |