Air Quality
Excellent
No health implications.
30
PM2.5
50
PM10
25
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
92
Good
Sat
3 May
87
Good
Sun
4 May
73
Good
Mon
5 May
54
Good
Tue
6 May
70
Good
Wed
7 May
76
Good
Thu
8 May
21
Excellent
Air quality in the last 12 months (Yushan)
|
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
|
|
2024/11
|
19
|
32
|
39
|
61
|
71
|
51
|
37
|
42
|
44
|
40
|
45
|
51
|
55
|
47
|
28
|
25
|
27
|
29
|
36
|
35
|
43
|
49
|
75
|
47
|
38
|
26
|
44
|
46
|
52
|
44
|
|
|
2024/10
|
26
|
28
|
29
|
30
|
30
|
27
|
18
|
22
|
40
|
41
|
55
|
62
|
46
|
42
|
61
|
21
|
31
|
37
|
27
|
25
|
43
|
48
|
32
|
49
|
35
|
39
|
24
|
21
|
58
|
48
|
35
|
|
2024/09
|
27
|
40
|
47
|
38
|
31
|
32
|
34
|
36
|
29
|
35
|
37
|
28
|
36
|
34
|
30
|
27
|
17
|
20
|
26
|
38
|
19
|
23
|
23
|
21
|
35
|
44
|
26
|
31
|
44
|
38
|
|
|
2024/08
|
17
|
23
|
31
|
33
|
25
|
28
|
29
|
27
|
30
|
33
|
33
|
27
|
22
|
20
|
26
|
35
|
35
|
26
|
21
|
19
|
17
|
29
|
33
|
34
|
35
|
46
|
44
|
24
|
38
|
36
|
27
|
|
2024/07
|
22
|
20
|
21
|
22
|
22
|
23
|
24
|
22
|
26
|
26
|
24
|
24
|
23
|
25
|
32
|
30
|
25
|
21
|
21
|
25
|
28
|
24
|
24
|
21
|
19
|
15
|
12
|
15
|
15
|
19
|
17
|
|
2024/06
|
11
|
18
|
26
|
40
|
31
|
18
|
26
|
28
|
37
|
27
|
16
|
17
|
26
|
19
|
18
|
19
|
17
|
20
|
25
|
32
|
28
|
27
|
28
|
18
|
12
|
18
|
13
|
23
|
20
|
21
|
|
|
2024/05
|
17
|
41
|
50
|
29
|
19
|
28
|
36
|
51
|
56
|
61
|
41
|
39
|
58
|
45
|
47
|
54
|
48
|
49
|
53
|
38
|
24
|
32
|
34
|
21
|
31
|
20
|
23
|
22
|
39
|
49
|
45
|
|
2024/04
|
28
|
24
|
25
|
24
|
36
|
39
|
29
|
26
|
35
|
50
|
51
|
39
|
45
|
29
|
40
|
43
|
21
|
25
|
30
|
24
|
27
|
21
|
40
|
53
|
46
|
44
|
38
|
44
|
27
|
16
|
|
|
2024/03
|
46
|
47
|
36
|
39
|
40
|
23
|
49
|
53
|
60
|
66
|
64
|
58
|
78
|
63
|
66
|
66
|
49
|
46
|
46
|
53
|
43
|
48
|
41
|
33
|
35
|
21
|
40
|
35
|
43
|
41
|
26
|
|
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