Air Quality
Excellent
No health implications.
8
PM2.5
22
PM10
117
O3
0.3
CO
7
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
77
Good
Wed
22 Jul
82
Good
Thu
23 Jul
78
Good
Fri
24 Jul
78
Good
Sat
25 Jul
81
Good
Sun
26 Jul
31
Excellent
Mon
27 Jul
30
Excellent
Air quality in the last 12 months (Ulan)
|
2026/06
|
35
|
51
|
58
|
50
|
46
|
57
|
55
|
49
|
38
|
34
|
33
|
36
|
36
|
39
|
37
|
65
|
37
|
32
|
35
|
36
|
39
|
35
|
37
|
40
|
34
|
36
|
42
|
40
|
39
|
54
|
|
|
2026/05
|
56
|
45
|
37
|
36
|
41
|
37
|
34
|
32
|
38
|
44
|
45
|
37
|
92
|
62
|
38
|
42
|
42
|
40
|
46
|
54
|
65
|
56
|
52
|
49
|
67
|
48
|
34
|
32
|
37
|
37
|
37
|
|
2026/04
|
40
|
62
|
81
|
44
|
40
|
49
|
50
|
39
|
39
|
42
|
39
|
39
|
38
|
44
|
54
|
48
|
37
|
40
|
58
|
67
|
79
|
90
|
75
|
49
|
37
|
39
|
40
|
41
|
39
|
39
|
|
|
2026/03
|
57
|
76
|
48
|
63
|
54
|
36
|
40
|
45
|
33
|
29
|
49
|
266
|
211
|
75
|
53
|
44
|
61
|
56
|
55
|
56
|
40
|
60
|
47
|
40
|
44
|
49
|
58
|
44
|
39
|
50
|
42
|
|
2026/02
|
39
|
40
|
35
|
25
|
47
|
73
|
47
|
39
|
95
|
56
|
55
|
42
|
30
|
26
|
47
|
41
|
51
|
35
|
23
|
25
|
71
|
42
|
43
|
49
|
46
|
51
|
51
|
45
|
|||
|
2026/01
|
34
|
34
|
33
|
29
|
30
|
23
|
24
|
25
|
26
|
23
|
22
|
22
|
64
|
147
|
48
|
37
|
32
|
47
|
60
|
47
|
41
|
42
|
32
|
72
|
248
|
107
|
78
|
52
|
157
|
71
|
45
|
|
2025/12
|
28
|
35
|
30
|
29
|
28
|
27
|
29
|
32
|
35
|
46
|
39
|
149
|
34
|
33
|
34
|
36
|
26
|
30
|
36
|
38
|
30
|
42
|
55
|
41
|
37
|
32
|
25
|
30
|
25
|
29
|
30
|
|
2025/11
|
32
|
31
|
27
|
24
|
39
|
82
|
108
|
84
|
52
|
46
|
39
|
39
|
32
|
33
|
37
|
28
|
41
|
32
|
29
|
31
|
30
|
33
|
51
|
55
|
37
|
63
|
32
|
31
|
26
|
36
|
|
|
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
|
|
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