Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Feb
Sat
1 Mar
Sun
2 Mar
Mon
3 Mar
Tue
4 Mar
Real-time AQI (Monitoring Station in Nantou)
南投
5021
PM2.5
34
PM10
29
O3
0.4
CO
5
SO2
24
NO2
竹山
7931 *
PM2.5
44
PM10
25
O3
0.4
CO
4
SO2
28
NO2
埔里
5026
PM2.5
40
PM10
31
O3
0.5
CO
4
SO2
24
NO2
Air quality in the last 12 months (Nantou)
|
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
|
|
2024/04
|
35
|
56
|
39
|
32
|
26
|
35
|
18
|
36
|
26
|
49
|
45
|
41
|
27
|
31
|
53
|
33
|
37
|
38
|
84
|
73
|
39
|
30
|
34
|
28
|
44
|
43
|
35
|
20
|
37
|
22
|
|
|
2024/03
|
19
|
41
|
46
|
50
|
51
|
25
|
45
|
61
|
59
|
47
|
49
|
37
|
58
|
61
|
47
|
49
|
75
|
49
|
49
|
65
|
59
|
68
|
61
|
34
|
27
|
42
|
30
|
52
|
48
|
60
|
40
|
|
2024/02
|
47
|
27
|
26
|
23
|
27
|
29
|
23
|
33
|
67
|
119
|
61
|
56
|
66
|
101
|
79
|
34
|
36
|
83
|
58
|
44
|
30
|
21
|
23
|
28
|
32
|
44
|
35
|
44
|
52
|
||
|
1
|
2
|
3
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4
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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