Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
28
O3
0.7
CO
21
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jan
41
Excellent
Sun
1 Feb
48
Excellent
Mon
2 Feb
70
Good
Tue
3 Feb
74
Good
Wed
4 Feb
62
Good
Thu
5 Feb
65
Good
Fri
6 Feb
31
Excellent
Air quality in the last 12 months (Yushan)
|
2025/12
|
62
|
109
|
58
|
61
|
63
|
70
|
73
|
80
|
74
|
63
|
63
|
77
|
41
|
41
|
48
|
58
|
63
|
109
|
97
|
67
|
68
|
47
|
55
|
46
|
34
|
56
|
56
|
53
|
56
|
72
|
65
|
|
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
|
|
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