Air Quality
Excellent
No health implications.
3
PM2.5
19
PM10
114
O3
0.4
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
58
Good
Fri
18 Jul
90
Good
Sat
19 Jul
72
Good
Sun
20 Jul
86
Good
Mon
21 Jul
72
Good
Tue
22 Jul
21
Excellent
Wed
23 Jul
30
Excellent
Air quality in the last 12 months (Yushan)
|
2025/06
|
15
|
16
|
41
|
63
|
50
|
46
|
28
|
16
|
33
|
27
|
47
|
33
|
27
|
28
|
23
|
38
|
48
|
35
|
18
|
23
|
17
|
21
|
32
|
27
|
40
|
44
|
29
|
16
|
16
|
29
|
|
|
2025/05
|
51
|
62
|
52
|
42
|
45
|
88
|
85
|
51
|
23
|
35
|
44
|
51
|
55
|
64
|
58
|
31
|
45
|
82
|
62
|
53
|
29
|
45
|
44
|
57
|
63
|
56
|
55
|
52
|
48
|
55
|
64
|
|
2025/04
|
46
|
64
|
43
|
67
|
76
|
67
|
65
|
70
|
72
|
72
|
70
|
209
|
104
|
82
|
53
|
57
|
67
|
70
|
81
|
48
|
47
|
50
|
57
|
73
|
64
|
56
|
49
|
55
|
57
|
61
|
|
|
2025/03
|
46
|
46
|
21
|
39
|
54
|
57
|
55
|
78
|
75
|
70
|
78
|
71
|
51
|
44
|
35
|
49
|
37
|
42
|
53
|
56
|
49
|
56
|
67
|
64
|
65
|
68
|
107
|
74
|
106
|
79
|
40
|
|
2025/02
|
41
|
68
|
86
|
83
|
55
|
48
|
64
|
40
|
46
|
59
|
67
|
109
|
79
|
86
|
116
|
97
|
71
|
55
|
64
|
60
|
45
|
66
|
93
|
77
|
92
|
121
|
89
|
52
|
|||
|
2025/01
|
82
|
88
|
96
|
98
|
120
|
86
|
51
|
71
|
43
|
51
|
65
|
75
|
82
|
120
|
76
|
63
|
77
|
79
|
100
|
116
|
116
|
137
|
104
|
54
|
34
|
70
|
55
|
49
|
106
|
68
|
94
|
|
2024/12
|
67
|
75
|
83
|
50
|
80
|
135
|
120
|
44
|
50
|
58
|
63
|
65
|
97
|
76
|
63
|
64
|
71
|
79
|
42
|
64
|
85
|
61
|
56
|
73
|
109
|
118
|
62
|
77
|
72
|
85
|
104
|
|
2024/11
|
27
|
55
|
61
|
63
|
45
|
37
|
34
|
39
|
44
|
36
|
44
|
46
|
46
|
55
|
73
|
46
|
29
|
33
|
30
|
38
|
48
|
76
|
32
|
37
|
34
|
42
|
69
|
62
|
49
|
61
|
|
|
2024/10
|
29
|
35
|
29
|
27
|
30
|
14
|
14
|
36
|
37
|
56
|
64
|
57
|
44
|
48
|
45
|
44
|
35
|
25
|
28
|
39
|
46
|
35
|
49
|
44
|
38
|
26
|
26
|
63
|
49
|
37
|
26
|
|
2024/09
|
49
|
51
|
32
|
38
|
34
|
43
|
45
|
49
|
27
|
35
|
18
|
18
|
36
|
44
|
29
|
25
|
22
|
24
|
27
|
23
|
27
|
31
|
30
|
34
|
47
|
43
|
29
|
43
|
41
|
40
|
|
|
2024/08
|
24
|
24
|
35
|
34
|
31
|
33
|
43
|
38
|
43
|
42
|
45
|
52
|
43
|
33
|
25
|
33
|
36
|
33
|
28
|
22
|
35
|
36
|
42
|
47
|
43
|
42
|
31
|
23
|
26
|
29
|
44
|
|
2024/07
|
18
|
20
|
30
|
24
|
26
|
26
|
26
|
27
|
34
|
31
|
34
|
22
|
14
|
20
|
36
|
45
|
31
|
26
|
30
|
27
|
25
|
30
|
40
|
33
|
22
|
22
|
15
|
16
|
25
|
36
|
29
|
|
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