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 Jul
Sat
18 Jul
Sun
19 Jul
Mon
20 Jul
Real-time AQI (Monitoring Station in Nantou)
南投
231
PM2.5
7
PM10
31
O3
0.1
CO
2
SO2
8
NO2
竹山
202
PM2.5
10
PM10
26
O3
0.1
CO
4
SO2
6
NO2
埔里
202
PM2.5
9
PM10
31
O3
0.1
CO
3
SO2
2
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