1. North America
  2. United States
  3. New Hampshire
  4. Coos County
  5. Columbia

Columbia

Coos County, New Hampshire

2025-04-06 03:00
AQI (US)
Good
24
Pollutants
O3
μg/m³
53.5
PM2.5
μg/m³
3.9
PM10
μg/m³
7.8
Weather
  • ℃
  • ℉
0℃
97%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • O3
  • PM2.5
  • PM10

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  • AQI
  • PM10
  • PM2.5
  • O3
  • SO2
  • NO2
  • CO
0
56
168
33
56
51
37
58
50
56
0
31
51
40
33
50
50
40
59
35
56
29
56
70
54
28
72
40
35
66
15
35
70
28
88
48
73
48
59
68
28
35
59
86
62
59
68
50
50
74
51
65
64
99
63
63
59
50
73
62
29
67
56
67
27
60
81
66
51
31
56
51
37
31
19
56
0
31
51
47
33
50
50
40
59
35
56
29
56
63
54
28
75
40
35
70
15
35
80
28
88
73
48
59
68
35
35
54
59
62
59
68
50
50
74
28
65
59
99
63
25
58
63
61
29
67
56
57
14
60
99
79
53
23
50
59
31
35
62
68
34
74
35
68
28
59
68
59
73
40
74
65
25
59
51
83
63
67
64
14
63
53
28
34
50
51
+−
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