Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
4
O3
0.8
CO
7
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
40
Excellent
Thu
25 Sep
61
Good
Fri
26 Sep
87
Good
Sat
27 Sep
91
Good
Sun
28 Sep
76
Good
Mon
29 Sep
79
Good
Tue
30 Sep
37
Excellent
Air quality in the last 12 months (Xishan)
|
2025/08
|
30
|
18
|
21
|
27
|
39
|
24
|
11
|
13
|
16
|
26
|
21
|
39
|
26
|
16
|
14
|
18
|
23
|
20
|
23
|
30
|
42
|
35
|
24
|
30
|
33
|
27
|
26
|
18
|
21
|
19
|
31
|
|
2025/07
|
18
|
26
|
30
|
40
|
37
|
31
|
19
|
16
|
15
|
40
|
25
|
19
|
36
|
34
|
28
|
36
|
27
|
31
|
18
|
17
|
14
|
15
|
18
|
23
|
21
|
15
|
14
|
17
|
18
|
10
|
17
|
|
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
|
|
|
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