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
1 Jun
Mon
2 Jun
Tue
3 Jun
Wed
4 Jun
Real-time AQI (Monitoring Station in Nantou)
南投
2513
PM2.5
17
PM10
103
O3
0.2
CO
2
SO2
4
NO2
竹山
2915
PM2.5
19
PM10
113
O3
0.1
CO
3
SO2
4
NO2
埔里
216
PM2.5
19
PM10
73
O3
0.1
CO
3
SO2
2
NO2
Air quality in the last 12 months (Nantou)
|
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
|
|
2025/02
|
38
|
17
|
23
|
68
|
56
|
35
|
27
|
49
|
34
|
31
|
39
|
63
|
71
|
50
|
41
|
62
|
67
|
38
|
37
|
23
|
21
|
33
|
18
|
65
|
59
|
54
|
63
|
77
|
|||
|
2025/01
|
49
|
35
|
34
|
30
|
36
|
49
|
64
|
45
|
50
|
42
|
34
|
46
|
44
|
41
|
78
|
52
|
54
|
41
|
45
|
51
|
80
|
48
|
43
|
20
|
33
|
35
|
20
|
43
|
48
|
32
|
38
|
|
2024/12
|
38
|
45
|
32
|
32
|
27
|
30
|
24
|
61
|
26
|
20
|
25
|
20
|
26
|
59
|
74
|
48
|
38
|
43
|
43
|
20
|
42
|
56
|
21
|
20
|
18
|
45
|
64
|
73
|
37
|
39
|
48
|
|
2024/11
|
20
|
18
|
36
|
38
|
48
|
39
|
34
|
30
|
25
|
24
|
20
|
25
|
26
|
22
|
22
|
13
|
23
|
33
|
19
|
13
|
18
|
27
|
32
|
22
|
28
|
20
|
39
|
31
|
41
|
39
|
|
|
2024/10
|
18
|
15
|
19
|
16
|
21
|
20
|
17
|
17
|
37
|
44
|
43
|
32
|
25
|
27
|
26
|
27
|
36
|
35
|
31
|
22
|
28
|
36
|
44
|
37
|
23
|
24
|
24
|
24
|
36
|
38
|
25
|
|
2024/09
|
29
|
29
|
27
|
26
|
23
|
20
|
20
|
14
|
22
|
42
|
52
|
34
|
18
|
22
|
29
|
22
|
28
|
28
|
23
|
21
|
25
|
10
|
12
|
15
|
25
|
15
|
19
|
24
|
25
|
20
|
|
|
2024/08
|
28
|
43
|
43
|
35
|
36
|
22
|
27
|
38
|
42
|
46
|
48
|
50
|
46
|
36
|
29
|
14
|
20
|
19
|
15
|
12
|
21
|
27
|
36
|
42
|
34
|
37
|
47
|
43
|
40
|
32
|
32
|
|
2024/07
|
21
|
19
|
19
|
21
|
25
|
20
|
17
|
18
|
16
|
17
|
26
|
28
|
24
|
23
|
21
|
18
|
21
|
19
|
26
|
24
|
21
|
20
|
25
|
19
|
17
|
18
|
21
|
28
|
23
|
18
|
15
|
|
2024/06
|
12
|
9
|
18
|
32
|
31
|
19
|
20
|
13
|
22
|
15
|
14
|
28
|
27
|
29
|
22
|
17
|
18
|
15
|
17
|
18
|
26
|
31
|
24
|
17
|
18
|
21
|
29
|
17
|
19
|
20
|
|
|
2024/05
|
22
|
22
|
26
|
35
|
40
|
47
|
33
|
41
|
28
|
32
|
31
|
34
|
32
|
30
|
40
|
42
|
34
|
37
|
24
|
22
|
12
|
14
|
26
|
32
|
23
|
25
|
17
|
24
|
26
|
28
|
36
|
|
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