Air Quality
Excellent
No health implications.
6
PM2.5
35
PM10
32
O3
1.0
CO
4
SO2
39
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
49
Excellent
Mon
25 May
49
Excellent
Tue
26 May
56
Good
Wed
27 May
83
Good
Thu
28 May
96
Good
Fri
29 May
108
Light
Sat
30 May
19
Excellent
Air quality in the last 12 months (Xishan)
|
2026/04
|
70
|
71
|
35
|
62
|
82
|
79
|
39
|
39
|
32
|
62
|
52
|
28
|
27
|
52
|
56
|
39
|
54
|
44
|
38
|
44
|
70
|
21
|
33
|
56
|
52
|
59
|
66
|
41
|
24
|
49
|
|
|
2026/03
|
28
|
22
|
48
|
24
|
46
|
55
|
42
|
34
|
43
|
38
|
45
|
43
|
70
|
51
|
53
|
42
|
62
|
40
|
68
|
65
|
44
|
53
|
45
|
45
|
86
|
72
|
47
|
47
|
60
|
35
|
59
|
|
2026/02
|
75
|
89
|
72
|
61
|
99
|
64
|
35
|
41
|
38
|
46
|
95
|
125
|
94
|
84
|
99
|
35
|
52
|
88
|
83
|
42
|
39
|
114
|
60
|
23
|
36
|
27
|
21
|
39
|
|||
|
2026/01
|
20
|
34
|
50
|
80
|
98
|
140
|
54
|
75
|
74
|
91
|
60
|
55
|
69
|
76
|
97
|
132
|
102
|
50
|
24
|
27
|
40
|
43
|
67
|
91
|
64
|
22
|
63
|
53
|
39
|
23
|
32
|
|
2025/12
|
98
|
54
|
37
|
46
|
66
|
59
|
86
|
78
|
57
|
39
|
87
|
28
|
32
|
56
|
60
|
71
|
87
|
63
|
68
|
103
|
32
|
27
|
36
|
58
|
48
|
31
|
43
|
63
|
94
|
84
|
29
|
|
2025/11
|
115
|
79
|
27
|
34
|
30
|
40
|
37
|
28
|
30
|
52
|
27
|
42
|
51
|
96
|
68
|
60
|
38
|
43
|
51
|
60
|
74
|
103
|
112
|
84
|
100
|
69
|
236
|
151
|
98
|
90
|
|
|
2025/10
|
49
|
29
|
37
|
33
|
36
|
43
|
55
|
23
|
22
|
29
|
48
|
80
|
49
|
25
|
41
|
21
|
24
|
17
|
22
|
25
|
19
|
23
|
26
|
33
|
38
|
36
|
52
|
31
|
30
|
32
|
29
|
|
2025/09
|
21
|
21
|
34
|
35
|
38
|
30
|
48
|
33
|
25
|
24
|
24
|
27
|
41
|
34
|
26
|
35
|
34
|
21
|
24
|
24
|
24
|
21
|
26
|
17
|
27
|
44
|
49
|
49
|
38
|
40
|
|
|
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
|
|
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