Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
66
*
PM10
59
O3
0.7
CO
15
SO2
27
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 Nov
59
Good
Sat
15 Nov
76
Good
Sun
16 Nov
85
Good
Mon
17 Nov
83
Good
Tue
18 Nov
54
Good
Wed
19 Nov
54
Good
Thu
20 Nov
18
Excellent
Ulan Air quality rank
Air quality in the last 12 months (Ulan)
|
2025/10
|
32
|
25
|
31
|
33
|
52
|
32
|
33
|
28
|
27
|
24
|
21
|
22
|
24
|
31
|
38
|
39
|
40
|
39
|
40
|
31
|
30
|
37
|
36
|
31
|
38
|
32
|
25
|
24
|
31
|
32
|
31
|
|
2025/09
|
32
|
41
|
48
|
39
|
50
|
54
|
42
|
43
|
42
|
39
|
40
|
46
|
50
|
40
|
72
|
53
|
36
|
36
|
32
|
44
|
38
|
90
|
47
|
35
|
35
|
43
|
49
|
35
|
35
|
35
|
|
|
2025/08
|
41
|
34
|
33
|
38
|
29
|
19
|
29
|
29
|
25
|
30
|
46
|
39
|
31
|
30
|
30
|
29
|
37
|
20
|
69
|
100
|
19
|
21
|
25
|
30
|
29
|
36
|
24
|
16
|
26
|
32
|
28
|
|
2025/07
|
33
|
28
|
29
|
23
|
22
|
32
|
63
|
55
|
37
|
42
|
36
|
31
|
44
|
45
|
37
|
25
|
24
|
29
|
20
|
19
|
22
|
24
|
27
|
19
|
22
|
23
|
24
|
24
|
33
|
61
|
75
|
|
2025/06
|
25
|
33
|
33
|
25
|
25
|
33
|
25
|
23
|
23
|
22
|
24
|
32
|
49
|
50
|
29
|
30
|
41
|
35
|
24
|
31
|
24
|
19
|
23
|
28
|
34
|
33
|
26
|
39
|
44
|
40
|
|
|
2025/05
|
46
|
41
|
60
|
164
|
60
|
72
|
102
|
82
|
39
|
21
|
23
|
49
|
51
|
57
|
27
|
39
|
46
|
38
|
32
|
47
|
170
|
82
|
86
|
80
|
32
|
38
|
42
|
60
|
67
|
41
|
37
|
|
2025/04
|
108
|
102
|
75
|
54
|
65
|
68
|
84
|
69
|
58
|
47
|
47
|
32
|
21
|
32
|
48
|
74
|
77
|
91
|
63
|
142
|
123
|
83
|
53
|
34
|
40
|
31
|
95
|
44
|
53
|
41
|
|
|
2025/03
|
60
|
67
|
56
|
34
|
111
|
167
|
93
|
52
|
70
|
66
|
62
|
63
|
43
|
49
|
42
|
38
|
40
|
63
|
60
|
55
|
54
|
60
|
53
|
47
|
58
|
40
|
169
|
61
|
74
|
131
|
145
|
|
2025/02
|
27
|
45
|
31
|
29
|
32
|
35
|
35
|
36
|
30
|
30
|
47
|
45
|
33
|
33
|
45
|
32
|
26
|
45
|
54
|
46
|
37
|
48
|
53
|
53
|
47
|
28
|
32
|
36
|
|||
|
2025/01
|
45
|
33
|
36
|
38
|
26
|
31
|
42
|
46
|
38
|
63
|
42
|
27
|
26
|
31
|
25
|
22
|
35
|
42
|
34
|
37
|
41
|
40
|
43
|
67
|
118
|
54
|
41
|
37
|
31
|
29
|
25
|
|
2024/12
|
21
|
33
|
29
|
37
|
34
|
28
|
31
|
37
|
35
|
42
|
40
|
52
|
42
|
34
|
27
|
35
|
38
|
45
|
40
|
36
|
35
|
38
|
41
|
37
|
34
|
31
|
28
|
30
|
51
|
45
|
41
|
|
2024/11
|
32
|
28
|
34
|
33
|
30
|
26
|
34
|
35
|
52
|
54
|
46
|
40
|
35
|
42
|
54
|
44
|
37
|
31
|
29
|
30
|
47
|
29
|
33
|
49
|
46
|
34
|
24
|
21
|
33
|
27
|
|
|
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