Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
58
*
PM10
10
O3
0.5
CO
9
SO2
42
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Dec
53
Good
Wed
17 Dec
62
Good
Thu
18 Dec
71
Good
Fri
19 Dec
65
Good
Sat
20 Dec
58
Good
Sun
21 Dec
30
Excellent
Mon
22 Dec
44
Excellent
Yushan Air quality rank
Air quality in the last 12 months (Yushan)
|
2025/11
|
49
|
54
|
66
|
40
|
39
|
49
|
46
|
40
|
16
|
45
|
45
|
25
|
50
|
49
|
67
|
68
|
56
|
29
|
42
|
42
|
49
|
54
|
66
|
53
|
73
|
83
|
82
|
82
|
63
|
56
|
|
|
2025/10
|
43
|
40
|
39
|
38
|
34
|
33
|
41
|
51
|
44
|
46
|
47
|
47
|
48
|
43
|
44
|
35
|
38
|
34
|
22
|
30
|
32
|
30
|
37
|
38
|
48
|
55
|
41
|
57
|
47
|
41
|
39
|
|
2025/09
|
25
|
27
|
33
|
33
|
33
|
28
|
23
|
27
|
30
|
21
|
22
|
24
|
25
|
23
|
29
|
31
|
28
|
33
|
25
|
28
|
29
|
34
|
33
|
22
|
29
|
28
|
36
|
34
|
44
|
44
|
|
|
2025/08
|
34
|
36
|
26
|
24
|
18
|
14
|
14
|
18
|
22
|
31
|
32
|
26
|
18
|
12
|
11
|
15
|
14
|
16
|
23
|
22
|
19
|
19
|
22
|
28
|
29
|
26
|
21
|
16
|
17
|
25
|
32
|
|
2025/07
|
13
|
19
|
22
|
29
|
23
|
19
|
18
|
21
|
21
|
22
|
29
|
19
|
17
|
24
|
27
|
27
|
28
|
28
|
20
|
15
|
12
|
14
|
19
|
20
|
32
|
20
|
15
|
15
|
21
|
23
|
20
|
|
2025/06
|
35
|
25
|
24
|
38
|
36
|
31
|
33
|
32
|
24
|
24
|
21
|
30
|
23
|
24
|
27
|
24
|
29
|
23
|
19
|
16
|
15
|
17
|
16
|
17
|
26
|
24
|
25
|
19
|
24
|
27
|
|
|
2025/05
|
46
|
47
|
52
|
55
|
33
|
48
|
94
|
50
|
24
|
43
|
40
|
46
|
43
|
44
|
63
|
43
|
30
|
34
|
38
|
23
|
21
|
35
|
14
|
41
|
58
|
60
|
58
|
43
|
21
|
32
|
43
|
|
2025/04
|
37
|
45
|
58
|
64
|
57
|
59
|
59
|
57
|
58
|
47
|
49
|
104
|
147
|
93
|
63
|
49
|
56
|
57
|
44
|
39
|
45
|
20
|
28
|
29
|
24
|
34
|
27
|
36
|
54
|
55
|
|
|
2025/03
|
40
|
40
|
41
|
19
|
28
|
32
|
52
|
48
|
65
|
64
|
69
|
59
|
19
|
26
|
17
|
34
|
36
|
37
|
48
|
40
|
42
|
45
|
51
|
60
|
61
|
67
|
65
|
61
|
37
|
48
|
40
|
|
2025/02
|
21
|
16
|
42
|
47
|
45
|
50
|
58
|
46
|
37
|
46
|
53
|
50
|
80
|
90
|
64
|
49
|
61
|
30
|
40
|
19
|
19
|
25
|
24
|
52
|
74
|
59
|
48
|
36
|
|||
|
2025/01
|
80
|
77
|
76
|
78
|
86
|
77
|
80
|
94
|
74
|
39
|
47
|
55
|
57
|
61
|
79
|
56
|
56
|
58
|
55
|
56
|
72
|
68
|
65
|
58
|
45
|
28
|
41
|
63
|
169
|
59
|
48
|
|
2024/12
|
47
|
53
|
68
|
99
|
62
|
33
|
71
|
75
|
54
|
58
|
29
|
47
|
67
|
69
|
58
|
53
|
61
|
61
|
51
|
51
|
68
|
69
|
62
|
68
|
90
|
99
|
130
|
97
|
68
|
74
|
73
|
|
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
Air quality source: CNEMC
*: primary pollution