Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
Wed
18 Mar
Thu
19 Mar
Fri
20 Mar
Real-time AQI (Monitoring Station in Nantou)
南投
5121 *
PM2.5
38
PM10
34
O3
0.6
CO
3
SO2
31
NO2
竹山
2314
PM2.5
26
PM10
50
O3
0.1
CO
5
SO2
18
NO2
埔里
2320
PM2.5
28
PM10
40
O3
0.3
CO
3
SO2
14
NO2
Air quality in the last 12 months (Nantou)
|
2026/02
|
20
|
38
|
50
|
33
|
36
|
43
|
27
|
46
|
41
|
37
|
45
|
56
|
48
|
51
|
33
|
38
|
34
|
47
|
52
|
71
|
57
|
67
|
98
|
72
|
31
|
47
|
54
|
27
|
|||
|
2026/01
|
22
|
29
|
40
|
30
|
49
|
36
|
42
|
48
|
56
|
56
|
63
|
58
|
59
|
48
|
45
|
50
|
50
|
20
|
33
|
30
|
44
|
52
|
43
|
43
|
39
|
32
|
23
|
29
|
35
|
37
|
16
|
|
2025/12
|
43
|
42
|
48
|
37
|
31
|
31
|
33
|
43
|
40
|
29
|
37
|
49
|
50
|
41
|
51
|
42
|
49
|
55
|
50
|
48
|
67
|
28
|
33
|
50
|
23
|
34
|
24
|
28
|
31
|
42
|
35
|
|
2025/11
|
31
|
53
|
44
|
18
|
20
|
24
|
37
|
35
|
35
|
42
|
22
|
9
|
13
|
34
|
43
|
32
|
34
|
28
|
30
|
42
|
46
|
50
|
44
|
42
|
52
|
76
|
58
|
103
|
83
|
55
|
|
|
2025/10
|
22
|
15
|
18
|
22
|
26
|
31
|
23
|
25
|
23
|
24
|
23
|
21
|
19
|
34
|
18
|
29
|
31
|
35
|
29
|
30
|
21
|
25
|
30
|
32
|
37
|
48
|
44
|
26
|
26
|
34
|
38
|
|
2025/09
|
26
|
36
|
32
|
34
|
23
|
22
|
18
|
22
|
20
|
29
|
25
|
27
|
35
|
29
|
24
|
25
|
22
|
23
|
19
|
22
|
25
|
26
|
32
|
31
|
23
|
18
|
19
|
20
|
25
|
25
|
|
|
2025/08
|
34
|
31
|
34
|
18
|
19
|
31
|
41
|
46
|
28
|
20
|
23
|
24
|
31
|
29
|
21
|
23
|
24
|
16
|
22
|
32
|
33
|
32
|
25
|
23
|
19
|
16
|
15
|
17
|
18
|
18
|
17
|
|
2025/07
|
19
|
22
|
26
|
27
|
17
|
20
|
28
|
44
|
34
|
16
|
12
|
28
|
40
|
43
|
35
|
38
|
34
|
24
|
32
|
33
|
22
|
19
|
21
|
24
|
22
|
34
|
35
|
31
|
20
|
40
|
46
|
|
2025/06
|
46
|
37
|
17
|
26
|
29
|
23
|
19
|
24
|
21
|
22
|
20
|
25
|
28
|
29
|
33
|
29
|
26
|
28
|
23
|
20
|
20
|
25
|
29
|
30
|
21
|
17
|
17
|
22
|
16
|
15
|
|
|
2025/05
|
51
|
53
|
48
|
35
|
42
|
40
|
46
|
52
|
48
|
31
|
29
|
38
|
31
|
30
|
24
|
22
|
22
|
17
|
25
|
31
|
22
|
37
|
42
|
21
|
51
|
40
|
25
|
21
|
12
|
36
|
44
|
|
2025/04
|
23
|
37
|
44
|
42
|
48
|
47
|
53
|
56
|
49
|
43
|
36
|
18
|
111
|
101
|
82
|
70
|
65
|
50
|
48
|
30
|
40
|
41
|
33
|
24
|
20
|
28
|
31
|
44
|
31
|
36
|
|
|
2025/03
|
61
|
33
|
25
|
20
|
13
|
16
|
36
|
43
|
28
|
29
|
42
|
36
|
31
|
28
|
35
|
27
|
50
|
47
|
46
|
47
|
48
|
47
|
61
|
70
|
54
|
35
|
49
|
52
|
53
|
20
|
16
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution