Air Quality
Excellent
No health implications.
22
PM2.5
36
PM10
55
O3
0.5
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Dec
42
Excellent
Sun
21 Dec
42
Excellent
Mon
22 Dec
87
Good
Tue
23 Dec
58
Good
Wed
24 Dec
37
Excellent
Thu
25 Dec
42
Excellent
Fri
26 Dec
34
Excellent
Air quality in the last 12 months (Ulanhot)
|
2025/11
|
25
|
31
|
52
|
42
|
52
|
36
|
67
|
155
|
26
|
35
|
37
|
37
|
25
|
44
|
62
|
31
|
25
|
38
|
25
|
29
|
29
|
32
|
38
|
29
|
33
|
43
|
31
|
47
|
61
|
30
|
|
|
2025/10
|
33
|
32
|
51
|
35
|
29
|
32
|
35
|
30
|
35
|
38
|
37
|
32
|
41
|
33
|
33
|
30
|
31
|
22
|
22
|
22
|
30
|
40
|
53
|
37
|
26
|
23
|
28
|
31
|
48
|
26
|
32
|
|
2025/09
|
28
|
21
|
42
|
44
|
47
|
27
|
25
|
24
|
22
|
28
|
33
|
33
|
28
|
32
|
25
|
24
|
22
|
22
|
24
|
29
|
29
|
32
|
38
|
30
|
26
|
30
|
29
|
27
|
30
|
35
|
|
|
2025/08
|
24
|
22
|
22
|
23
|
24
|
21
|
21
|
22
|
23
|
21
|
22
|
28
|
23
|
27
|
25
|
20
|
18
|
23
|
20
|
28
|
20
|
21
|
20
|
19
|
22
|
21
|
18
|
21
|
21
|
18
|
26
|
|
2025/07
|
44
|
25
|
31
|
39
|
26
|
31
|
29
|
36
|
34
|
43
|
32
|
21
|
25
|
26
|
26
|
24
|
20
|
29
|
28
|
26
|
21
|
24
|
35
|
35
|
34
|
27
|
26
|
24
|
18
|
21
|
23
|
|
2025/06
|
28
|
32
|
26
|
28
|
28
|
27
|
22
|
35
|
25
|
27
|
26
|
36
|
30
|
27
|
32
|
31
|
31
|
29
|
28
|
22
|
26
|
32
|
34
|
43
|
53
|
35
|
48
|
31
|
41
|
35
|
|
|
2025/05
|
31
|
26
|
27
|
27
|
33
|
41
|
49
|
52
|
44
|
48
|
77
|
81
|
57
|
83
|
50
|
73
|
44
|
35
|
32
|
78
|
61
|
37
|
29
|
42
|
37
|
53
|
53
|
62
|
64
|
61
|
35
|
|
2025/04
|
44
|
36
|
48
|
65
|
52
|
58
|
73
|
33
|
38
|
60
|
140
|
27
|
30
|
37
|
38
|
33
|
62
|
32
|
36
|
43
|
84
|
26
|
36
|
40
|
31
|
50
|
38
|
34
|
44
|
29
|
|
|
2025/03
|
36
|
58
|
72
|
69
|
104
|
56
|
91
|
89
|
133
|
108
|
113
|
64
|
34
|
36
|
46
|
49
|
107
|
41
|
78
|
29
|
40
|
67
|
119
|
43
|
84
|
89
|
32
|
27
|
28
|
29
|
42
|
|
2025/02
|
69
|
55
|
34
|
29
|
37
|
41
|
29
|
25
|
41
|
62
|
74
|
35
|
30
|
40
|
52
|
38
|
31
|
30
|
37
|
38
|
37
|
45
|
35
|
43
|
55
|
27
|
40
|
37
|
|||
|
2025/01
|
31
|
25
|
34
|
54
|
102
|
51
|
35
|
42
|
48
|
75
|
79
|
67
|
36
|
39
|
34
|
30
|
52
|
57
|
34
|
66
|
85
|
88
|
116
|
123
|
121
|
156
|
93
|
52
|
52
|
45
|
48
|
|
2024/12
|
46
|
24
|
24
|
23
|
24
|
30
|
23
|
47
|
51
|
31
|
26
|
50
|
44
|
26
|
25
|
27
|
50
|
60
|
52
|
61
|
52
|
26
|
31
|
40
|
45
|
32
|
25
|
35
|
60
|
53
|
36
|
|
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