Air Quality
Excellent
No health implications.
3
PM2.5
24
PM10
99
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jul
84
Good
Sun
20 Jul
53
Good
Mon
21 Jul
57
Good
Tue
22 Jul
52
Good
Wed
23 Jul
49
Excellent
Thu
24 Jul
45
Excellent
Fri
25 Jul
32
Excellent
Xishan Air quality rank
Air quality in the last 12 months (Xishan)
|
2025/06
|
14
|
11
|
45
|
59
|
55
|
36
|
42
|
21
|
24
|
38
|
28
|
29
|
21
|
29
|
13
|
26
|
48
|
46
|
26
|
20
|
19
|
13
|
21
|
31
|
38
|
40
|
20
|
18
|
15
|
28
|
|
|
2025/05
|
51
|
55
|
53
|
34
|
35
|
83
|
68
|
42
|
20
|
43
|
38
|
43
|
46
|
41
|
73
|
35
|
49
|
73
|
53
|
37
|
20
|
49
|
22
|
48
|
54
|
45
|
36
|
40
|
49
|
46
|
51
|
|
2025/04
|
42
|
58
|
42
|
50
|
65
|
71
|
69
|
55
|
73
|
89
|
74
|
153
|
99
|
81
|
50
|
50
|
58
|
61
|
67
|
49
|
51
|
50
|
58
|
77
|
59
|
42
|
42
|
59
|
51
|
52
|
|
|
2025/03
|
53
|
65
|
17
|
18
|
31
|
42
|
59
|
71
|
49
|
48
|
65
|
48
|
41
|
44
|
31
|
43
|
43
|
41
|
51
|
55
|
51
|
52
|
58
|
64
|
78
|
78
|
93
|
50
|
73
|
39
|
36
|
|
2025/02
|
26
|
73
|
74
|
69
|
52
|
37
|
58
|
31
|
42
|
59
|
40
|
84
|
68
|
43
|
86
|
98
|
64
|
45
|
47
|
34
|
30
|
56
|
72
|
80
|
102
|
92
|
107
|
98
|
|||
|
2025/01
|
81
|
58
|
64
|
59
|
94
|
88
|
64
|
61
|
37
|
51
|
60
|
66
|
80
|
110
|
56
|
60
|
66
|
75
|
93
|
164
|
135
|
68
|
43
|
40
|
29
|
44
|
58
|
49
|
71
|
64
|
51
|
|
2024/12
|
62
|
69
|
69
|
40
|
58
|
115
|
141
|
39
|
55
|
41
|
59
|
55
|
73
|
66
|
66
|
63
|
72
|
69
|
39
|
54
|
80
|
49
|
50
|
63
|
77
|
122
|
63
|
66
|
62
|
77
|
83
|
|
2024/11
|
13
|
55
|
84
|
83
|
48
|
36
|
30
|
35
|
35
|
42
|
51
|
47
|
55
|
44
|
82
|
52
|
30
|
29
|
28
|
36
|
56
|
70
|
36
|
28
|
29
|
40
|
70
|
66
|
51
|
59
|
|
|
2024/10
|
17
|
30
|
19
|
23
|
20
|
14
|
15
|
40
|
46
|
61
|
70
|
62
|
34
|
36
|
63
|
47
|
37
|
38
|
28
|
38
|
28
|
33
|
45
|
34
|
41
|
25
|
21
|
57
|
40
|
38
|
27
|
|
2024/09
|
36
|
42
|
32
|
29
|
26
|
34
|
47
|
35
|
17
|
32
|
13
|
29
|
19
|
24
|
25
|
15
|
16
|
23
|
20
|
11
|
22
|
29
|
31
|
41
|
53
|
33
|
31
|
36
|
36
|
39
|
|
|
2024/08
|
23
|
20
|
40
|
32
|
39
|
36
|
43
|
36
|
40
|
45
|
44
|
33
|
40
|
32
|
24
|
35
|
27
|
24
|
22
|
25
|
26
|
34
|
46
|
33
|
34
|
32
|
34
|
36
|
27
|
32
|
41
|
|
2024/07
|
22
|
28
|
17
|
30
|
29
|
32
|
22
|
26
|
27
|
26
|
25
|
26
|
16
|
19
|
57
|
51
|
32
|
19
|
28
|
29
|
35
|
35
|
32
|
20
|
22
|
21
|
20
|
18
|
21
|
22
|
23
|
|
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