Air Quality
Excellent
No health implications.
3
PM2.5
24
PM10
28
O3
0.1
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Oct
57
Good
Mon
19 Oct
55
Good
Tue
20 Oct
59
Good
Wed
21 Oct
54
Good
Thu
22 Oct
54
Good
Fri
23 Oct
56
Good
Sat
24 Oct
29
Excellent
Air quality in the last 12 months (Datong)
|
2026/08
|
22
|
22
|
30
|
30
|
31
|
30
|
25
|
28
|
29
|
34
|
39
|
30
|
19
|
29
|
28
|
36
|
29
|
29
|
29
|
37
|
38
|
23
|
25
|
25
|
28
|
23
|
20
|
22
|
25
|
21
|
20
|
|
2026/07
|
41
|
39
|
40
|
33
|
30
|
30
|
32
|
21
|
26
|
38
|
35
|
24
|
33
|
26
|
26
|
25
|
29
|
32
|
34
|
40
|
41
|
42
|
46
|
32
|
31
|
35
|
33
|
35
|
28
|
25
|
40
|
|
2026/06
|
45
|
33
|
27
|
29
|
23
|
24
|
27
|
22
|
23
|
30
|
36
|
37
|
27
|
22
|
35
|
36
|
39
|
37
|
53
|
43
|
32
|
35
|
40
|
37
|
35
|
39
|
39
|
35
|
43
|
43
|
|
|
2026/05
|
36
|
32
|
34
|
39
|
76
|
30
|
33
|
38
|
46
|
57
|
56
|
87
|
62
|
74
|
45
|
29
|
39
|
31
|
39
|
42
|
50
|
49
|
48
|
63
|
34
|
30
|
32
|
37
|
30
|
31
|
101
|
|
2026/04
|
54
|
94
|
76
|
46
|
55
|
49
|
30
|
60
|
38
|
37
|
43
|
51
|
35
|
49
|
68
|
56
|
58
|
51
|
59
|
91
|
53
|
32
|
41
|
64
|
37
|
32
|
30
|
34
|
39
|
83
|
|
|
2026/03
|
31
|
32
|
76
|
45
|
38
|
40
|
46
|
52
|
58
|
49
|
35
|
57
|
112
|
37
|
44
|
37
|
181
|
82
|
53
|
70
|
129
|
123
|
139
|
199
|
123
|
72
|
62
|
68
|
171
|
37
|
122
|
|
2026/02
|
45
|
51
|
53
|
33
|
46
|
36
|
49
|
42
|
62
|
120
|
50
|
57
|
60
|
102
|
33
|
56
|
65
|
41
|
65
|
99
|
121
|
62
|
53
|
31
|
122
|
29
|
29
|
28
|
|||
|
2026/01
|
35
|
49
|
50
|
39
|
35
|
65
|
28
|
54
|
59
|
60
|
57
|
64
|
36
|
46
|
90
|
59
|
41
|
44
|
39
|
39
|
38
|
32
|
49
|
40
|
39
|
59
|
42
|
44
|
39
|
44
|
49
|
|
2025/12
|
37
|
31
|
33
|
41
|
50
|
68
|
75
|
38
|
45
|
33
|
30
|
37
|
56
|
70
|
48
|
42
|
79
|
117
|
87
|
38
|
49
|
96
|
82
|
46
|
37
|
44
|
71
|
77
|
31
|
30
|
31
|
|
2025/11
|
158
|
40
|
146
|
85
|
201
|
84
|
38
|
182
|
22
|
32
|
50
|
143
|
36
|
47
|
134
|
66
|
25
|
45
|
73
|
35
|
34
|
71
|
85
|
179
|
106
|
142
|
48
|
75
|
87
|
74
|
|
|
2025/10
|
38
|
40
|
56
|
25
|
16
|
29
|
47
|
18
|
36
|
44
|
66
|
26
|
44
|
30
|
27
|
29
|
34
|
26
|
20
|
26
|
31
|
30
|
40
|
48
|
41
|
28
|
38
|
41
|
181
|
68
|
49
|
|
2025/09
|
22
|
25
|
44
|
47
|
41
|
21
|
23
|
20
|
17
|
14
|
36
|
36
|
32
|
32
|
17
|
18
|
16
|
24
|
29
|
25
|
21
|
30
|
39
|
21
|
14
|
21
|
26
|
42
|
29
|
52
|
|
|
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