Air Quality
Excellent
No health implications.
22
PM2.5
48
PM10
130
O3
0.4
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
69
Good
Wed
21 May
62
Good
Thu
22 May
70
Good
Fri
23 May
71
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