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
15 Jul
Thu
16 Jul
Fri
17 Jul
Sat
18 Jul
Real-time AQI (Monitoring Station in Nantou)
南投
195
PM2.5
9
PM10
68
O3
0.1
CO
1
SO2
4
NO2
竹山
191
PM2.5
6
PM10
59
O3
0.0
CO
4
SO2
2
NO2
埔里
144
PM2.5
9
PM10
65
O3
0.1
CO
3
SO2
0
NO2
Air quality in the last 12 months (Nantou)
|
2026/06
|
36
|
42
|
39
|
30
|
34
|
43
|
28
|
30
|
32
|
34
|
39
|
35
|
35
|
24
|
21
|
23
|
21
|
17
|
20
|
25
|
37
|
33
|
33
|
37
|
26
|
26
|
31
|
33
|
32
|
20
|
|
|
2026/05
|
42
|
45
|
38
|
33
|
33
|
34
|
32
|
38
|
34
|
32
|
35
|
34
|
28
|
26
|
28
|
33
|
36
|
32
|
34
|
36
|
38
|
46
|
40
|
38
|
40
|
39
|
40
|
31
|
45
|
50
|
45
|
|
2026/04
|
33
|
38
|
38
|
32
|
37
|
32
|
39
|
45
|
47
|
37
|
30
|
26
|
38
|
27
|
27
|
33
|
39
|
36
|
36
|
39
|
40
|
42
|
35
|
27
|
38
|
43
|
42
|
45
|
30
|
28
|
|
|
2026/03
|
34
|
46
|
27
|
34
|
29
|
41
|
48
|
35
|
39
|
43
|
40
|
44
|
58
|
44
|
45
|
33
|
39
|
48
|
29
|
40
|
37
|
38
|
32
|
30
|
40
|
35
|
41
|
38
|
51
|
41
|
41
|
|
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
|
|
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