Air Quality
Excellent
No health implications.
11
PM2.5
22
PM10
93
O3
0.5
CO
17
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jan
50
Excellent
Thu
16 Jan
51
Good
Fri
17 Jan
49
Excellent
Sat
18 Jan
46
Excellent
Sun
19 Jan
47
Excellent
Mon
20 Jan
49
Excellent
Tue
21 Jan
38
Excellent
Air quality in the last 12 months (Ulan)
|
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
|
|
|
2024/10
|
25
|
24
|
22
|
32
|
31
|
31
|
30
|
31
|
29
|
26
|
27
|
27
|
29
|
28
|
29
|
20
|
24
|
46
|
64
|
59
|
59
|
30
|
24
|
30
|
30
|
31
|
22
|
22
|
28
|
33
|
30
|
|
2024/09
|
24
|
24
|
27
|
46
|
31
|
24
|
19
|
26
|
63
|
27
|
18
|
74
|
18
|
20
|
23
|
32
|
26
|
20
|
49
|
25
|
26
|
24
|
22
|
33
|
39
|
29
|
25
|
24
|
40
|
35
|
|
|
2024/08
|
28
|
26
|
25
|
27
|
26
|
26
|
32
|
43
|
40
|
15
|
16
|
20
|
32
|
25
|
38
|
31
|
22
|
20
|
21
|
25
|
37
|
68
|
49
|
42
|
48
|
27
|
31
|
36
|
25
|
33
|
32
|
|
2024/07
|
20
|
20
|
64
|
52
|
49
|
39
|
40
|
69
|
49
|
26
|
27
|
24
|
19
|
21
|
22
|
23
|
17
|
27
|
48
|
146
|
86
|
50
|
38
|
31
|
32
|
30
|
26
|
21
|
22
|
22
|
20
|
|
2024/06
|
27
|
23
|
25
|
26
|
38
|
30
|
34
|
19
|
18
|
19
|
19
|
19
|
27
|
19
|
20
|
22
|
22
|
37
|
31
|
33
|
15
|
19
|
19
|
18
|
34
|
30
|
27
|
27
|
35
|
21
|
|
|
2024/05
|
39
|
36
|
33
|
56
|
51
|
51
|
47
|
47
|
87
|
31
|
29
|
30
|
30
|
222
|
179
|
121
|
90
|
64
|
108
|
59
|
48
|
46
|
81
|
44
|
45
|
41
|
41
|
57
|
43
|
20
|
22
|
|
2024/04
|
82
|
182
|
89
|
58
|
47
|
46
|
44
|
58
|
51
|
47
|
52
|
40
|
171
|
79
|
81
|
68
|
66
|
77
|
52
|
44
|
38
|
35
|
28
|
38
|
36
|
138
|
87
|
60
|
55
|
36
|
|
|
2024/03
|
44
|
30
|
36
|
73
|
178
|
62
|
34
|
31
|
46
|
60
|
34
|
43
|
46
|
49
|
167
|
94
|
91
|
72
|
56
|
46
|
39
|
45
|
75
|
44
|
31
|
44
|
43
|
35
|
50
|
46
|
38
|
|
2024/02
|
44
|
45
|
59
|
37
|
37
|
34
|
36
|
31
|
39
|
75
|
27
|
26
|
25
|
32
|
33
|
27
|
50
|
79
|
115
|
122
|
290
|
117
|
94
|
71
|
55
|
64
|
46
|
48
|
49
|
||
|
2024/01
|
41
|
31
|
26
|
30
|
34
|
28
|
31
|
35
|
29
|
27
|
26
|
29
|
50
|
49
|
52
|
36
|
33
|
43
|
47
|
47
|
34
|
32
|
41
|
87
|
53
|
27
|
27
|
31
|
29
|
32
|
39
|
|
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