Air Quality
Excellent
No health implications.
19
PM2.5
36
PM10
49
O3
0.6
CO
5
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jan
69
Good
Sat
24 Jan
63
Good
Sun
25 Jan
69
Good
Mon
26 Jan
102
Light
Tue
27 Jan
75
Good
Wed
28 Jan
65
Good
Thu
29 Jan
47
Excellent
Keshan Air quality rank
1
Xilinhot, Inner Mongolia
2
Xilingol League, Namenggu
3
Hexigten Banner, Inner Mongolia
4
East Ujumqin Banner, Inner Mongolia
5
Zhenglan Banner, Inner Mongolia
6
Duolun, Inner Mongolia
7
Licheng, Fujian
8
Chengxiang, Fujian
9
Linxi, Inner Mongolia
0
Keshan, Heilongjiang
Air quality in the last 12 months (Keshan)
|
2025/11
|
128
|
23
|
62
|
56
|
115
|
70
|
17
|
91
|
55
|
17
|
26
|
55
|
30
|
30
|
69
|
44
|
21
|
37
|
96
|
49
|
51
|
140
|
140
|
32
|
33
|
119
|
54
|
58
|
61
|
27
|
|
|
2025/10
|
32
|
34
|
51
|
24
|
19
|
23
|
35
|
21
|
34
|
34
|
44
|
18
|
30
|
26
|
34
|
34
|
59
|
18
|
18
|
19
|
28
|
26
|
31
|
38
|
79
|
41
|
29
|
33
|
118
|
61
|
56
|
|
2025/09
|
19
|
19
|
29
|
42
|
37
|
16
|
18
|
16
|
14
|
19
|
18
|
27
|
25
|
23
|
18
|
16
|
17
|
20
|
28
|
22
|
19
|
26
|
37
|
22
|
15
|
20
|
25
|
26
|
28
|
45
|
|
|
2025/08
|
20
|
22
|
14
|
17
|
20
|
15
|
15
|
19
|
14
|
12
|
14
|
17
|
18
|
16
|
20
|
12
|
17
|
20
|
21
|
16
|
22
|
13
|
21
|
17
|
24
|
18
|
21
|
23
|
23
|
18
|
29
|
|
2025/07
|
26
|
19
|
19
|
21
|
15
|
17
|
17
|
19
|
20
|
30
|
37
|
21
|
18
|
21
|
25
|
21
|
21
|
22
|
23
|
18
|
16
|
21
|
31
|
29
|
19
|
25
|
19
|
20
|
15
|
14
|
18
|
|
2025/06
|
17
|
22
|
19
|
17
|
19
|
13
|
16
|
21
|
15
|
17
|
16
|
29
|
29
|
19
|
22
|
22
|
18
|
23
|
18
|
16
|
13
|
18
|
29
|
35
|
37
|
36
|
42
|
32
|
26
|
35
|
|
|
2025/05
|
39
|
26
|
22
|
17
|
17
|
22
|
27
|
38
|
26
|
31
|
50
|
78
|
62
|
39
|
61
|
33
|
18
|
23
|
21
|
23
|
21
|
17
|
24
|
27
|
29
|
38
|
39
|
52
|
54
|
54
|
41
|
|
2025/04
|
55
|
46
|
44
|
68
|
51
|
44
|
58
|
40
|
54
|
104
|
71
|
53
|
24
|
21
|
15
|
20
|
48
|
35
|
19
|
60
|
86
|
17
|
30
|
18
|
11
|
18
|
54
|
46
|
67
|
36
|
|
|
2025/03
|
21
|
29
|
39
|
51
|
63
|
56
|
42
|
34
|
70
|
101
|
44
|
45
|
18
|
18
|
18
|
23
|
18
|
18
|
40
|
39
|
16
|
16
|
52
|
32
|
19
|
28
|
14
|
16
|
10
|
17
|
32
|
|
2025/02
|
71
|
134
|
91
|
30
|
43
|
50
|
23
|
18
|
27
|
42
|
72
|
69
|
51
|
31
|
35
|
31
|
23
|
21
|
25
|
27
|
30
|
30
|
33
|
32
|
40
|
25
|
48
|
33
|
|||
|
2025/01
|
123
|
97
|
78
|
135
|
97
|
63
|
62
|
33
|
39
|
72
|
100
|
171
|
168
|
137
|
43
|
41
|
72
|
120
|
154
|
122
|
97
|
72
|
159
|
223
|
220
|
146
|
47
|
48
|
49
|
33
|
48
|
|
2024/12
|
48
|
23
|
26
|
23
|
31
|
21
|
31
|
37
|
100
|
91
|
28
|
50
|
78
|
51
|
36
|
31
|
37
|
44
|
65
|
115
|
50
|
34
|
37
|
45
|
48
|
29
|
36
|
43
|
55
|
82
|
101
|
|
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