Air Quality
Excellent
No health implications.
11
PM2.5
22
PM10
78
O3
0.4
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Oct
48
Excellent
Fri
1 Nov
49
Excellent
Sat
2 Nov
48
Excellent
Sun
3 Nov
49
Excellent
Mon
4 Nov
48
Excellent
Tue
5 Nov
47
Excellent
Wed
6 Nov
49
Excellent
Air quality in the last 12 months (Ulan)
|
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
|
|
2023/12
|
28
|
30
|
30
|
30
|
56
|
32
|
33
|
32
|
36
|
43
|
44
|
37
|
40
|
59
|
84
|
39
|
33
|
47
|
53
|
39
|
28
|
42
|
28
|
26
|
29
|
30
|
30
|
33
|
36
|
31
|
39
|
|
2023/11
|
32
|
37
|
36
|
48
|
43
|
24
|
33
|
35
|
30
|
33
|
34
|
48
|
38
|
41
|
62
|
33
|
35
|
38
|
33
|
45
|
53
|
40
|
31
|
40
|
344
|
54
|
44
|
37
|
37
|
35
|
|
|
2023/10
|
36
|
45
|
33
|
42
|
34
|
29
|
29
|
31
|
29
|
31
|
29
|
32
|
28
|
26
|
26
|
30
|
36
|
28
|
30
|
26
|
26
|
28
|
30
|
27
|
30
|
29
|
26
|
27
|
31
|
28
|
28
|
|
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