Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
35
PM2.5
64
*
PM10
131
O3
0.6
CO
21
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 May
71
Good
Wed
21 May
68
Good
Thu
22 May
68
Good
Fri
23 May
70
Good
Sat
24 May
67
Good
Sun
25 May
72
Good
Mon
26 May
30
Excellent
Air quality in the last 12 months (Datong)
|
2025/04
|
123
|
112
|
104
|
127
|
97
|
73
|
99
|
72
|
73
|
53
|
92
|
69
|
42
|
48
|
64
|
97
|
82
|
99
|
99
|
107
|
71
|
69
|
45
|
50
|
54
|
42
|
35
|
45
|
52
|
53
|
|
|
2025/03
|
76
|
54
|
60
|
59
|
55
|
74
|
71
|
56
|
72
|
63
|
190
|
134
|
93
|
49
|
57
|
48
|
51
|
49
|
56
|
62
|
61
|
69
|
64
|
73
|
77
|
379
|
113
|
65
|
73
|
113
|
98
|
|
2025/02
|
58
|
56
|
45
|
47
|
41
|
50
|
62
|
57
|
62
|
52
|
75
|
76
|
69
|
58
|
52
|
57
|
54
|
57
|
71
|
63
|
66
|
67
|
60
|
58
|
55
|
51
|
57
|
56
|
|||
|
2025/01
|
79
|
57
|
66
|
63
|
56
|
64
|
68
|
86
|
81
|
59
|
62
|
67
|
65
|
59
|
62
|
59
|
65
|
59
|
55
|
53
|
70
|
65
|
82
|
77
|
84
|
62
|
59
|
67
|
139
|
52
|
43
|
|
2024/12
|
53
|
59
|
71
|
62
|
67
|
80
|
63
|
69
|
79
|
61
|
81
|
61
|
64
|
86
|
82
|
57
|
65
|
69
|
74
|
81
|
92
|
107
|
110
|
99
|
98
|
84
|
53
|
69
|
75
|
78
|
60
|
|
2024/11
|
57
|
46
|
58
|
55
|
54
|
61
|
52
|
56
|
73
|
70
|
63
|
58
|
50
|
72
|
89
|
52
|
55
|
54
|
68
|
68
|
72
|
66
|
75
|
50
|
42
|
62
|
50
|
48
|
76
|
78
|
|
|
2024/10
|
25
|
36
|
46
|
46
|
47
|
47
|
51
|
47
|
39
|
40
|
46
|
36
|
42
|
50
|
56
|
34
|
37
|
44
|
49
|
48
|
58
|
36
|
48
|
53
|
49
|
40
|
42
|
45
|
57
|
59
|
45
|
|
2024/09
|
38
|
37
|
39
|
18
|
17
|
22
|
27
|
46
|
20
|
24
|
27
|
29
|
19
|
27
|
43
|
25
|
27
|
37
|
43
|
22
|
28
|
39
|
32
|
60
|
47
|
36
|
60
|
53
|
24
|
21
|
|
|
2024/08
|
40
|
24
|
27
|
29
|
36
|
35
|
33
|
47
|
42
|
22
|
32
|
35
|
44
|
24
|
27
|
28
|
32
|
29
|
32
|
34
|
43
|
52
|
46
|
38
|
37
|
42
|
42
|
43
|
29
|
49
|
47
|
|
2024/07
|
21
|
27
|
25
|
40
|
42
|
51
|
51
|
42
|
51
|
49
|
45
|
42
|
41
|
33
|
45
|
40
|
36
|
32
|
28
|
107
|
167
|
46
|
41
|
54
|
51
|
56
|
46
|
26
|
28
|
36
|
27
|
|
2024/06
|
49
|
41
|
35
|
31
|
40
|
27
|
43
|
31
|
34
|
37
|
31
|
35
|
34
|
32
|
43
|
28
|
35
|
30
|
47
|
31
|
28
|
33
|
36
|
37
|
49
|
41
|
47
|
32
|
38
|
27
|
|
|
2024/05
|
44
|
44
|
45
|
39
|
58
|
64
|
60
|
58
|
57
|
42
|
26
|
37
|
44
|
147
|
244
|
101
|
81
|
70
|
69
|
55
|
57
|
58
|
70
|
119
|
46
|
54
|
44
|
38
|
21
|
27
|
44
|
|
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