Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
Thu
21 May
Fri
22 May
Sat
23 May
Sun
24 May
Mon
25 May
Tue
26 May
Real-time AQI (Monitoring Station in Ulanqab)
光明街小学
4015
PM2.5
37
PM10
126
O3
0.4
CO
3
SO2
9
NO2
北京八中
3911
PM2.5
39
PM10
118
O3
0.5
CO
4
SO2
21
NO2
市委党校
4518
PM2.5
45
PM10
102
O3
0.1
CO
2
SO2
18
NO2
Air quality in the last 12 months (Ulanqab)
|
2026/04
|
28
|
43
|
66
|
87
|
40
|
28
|
38
|
68
|
61
|
33
|
39
|
40
|
39
|
57
|
63
|
48
|
72
|
57
|
199
|
59
|
50
|
44
|
58
|
54
|
49
|
65
|
55
|
30
|
36
|
50
|
|
|
2026/03
|
78
|
75
|
63
|
52
|
41
|
29
|
45
|
43
|
29
|
39
|
31
|
62
|
51
|
29
|
46
|
57
|
66
|
31
|
45
|
60
|
78
|
34
|
48
|
72
|
55
|
40
|
32
|
48
|
37
|
34
|
34
|
|
2026/02
|
29
|
23
|
40
|
58
|
25
|
20
|
29
|
34
|
40
|
46
|
47
|
60
|
62
|
40
|
36
|
43
|
243
|
40
|
57
|
124
|
217
|
31
|
42
|
50
|
63
|
36
|
65
|
73
|
|||
|
2026/01
|
82
|
41
|
53
|
29
|
28
|
38
|
38
|
63
|
78
|
35
|
36
|
44
|
50
|
92
|
93
|
27
|
47
|
34
|
23
|
28
|
32
|
44
|
48
|
48
|
68
|
70
|
51
|
58
|
43
|
40
|
30
|
|
2025/12
|
31
|
24
|
30
|
29
|
45
|
60
|
42
|
33
|
49
|
49
|
26
|
52
|
40
|
68
|
67
|
58
|
44
|
49
|
43
|
25
|
40
|
57
|
32
|
35
|
23
|
46
|
52
|
46
|
30
|
26
|
33
|
|
2025/11
|
22
|
25
|
51
|
59
|
56
|
69
|
54
|
57
|
44
|
37
|
54
|
45
|
32
|
48
|
59
|
25
|
20
|
25
|
44
|
58
|
59
|
60
|
102
|
38
|
48
|
96
|
54
|
103
|
101
|
74
|
|
|
2025/10
|
53
|
52
|
45
|
52
|
53
|
42
|
39
|
26
|
24
|
29
|
30
|
37
|
48
|
45
|
33
|
40
|
21
|
25
|
26
|
26
|
36
|
55
|
40
|
50
|
26
|
19
|
30
|
48
|
49
|
27
|
23
|
|
2025/09
|
30
|
45
|
39
|
43
|
41
|
36
|
24
|
32
|
49
|
46
|
45
|
29
|
44
|
35
|
34
|
22
|
22
|
27
|
35
|
34
|
33
|
32
|
37
|
34
|
46
|
47
|
51
|
28
|
37
|
42
|
|
|
2025/08
|
38
|
37
|
34
|
33
|
35
|
31
|
26
|
25
|
22
|
28
|
41
|
29
|
26
|
39
|
43
|
30
|
40
|
32
|
26
|
29
|
31
|
36
|
32
|
31
|
28
|
28
|
21
|
36
|
37
|
37
|
30
|
|
2025/07
|
29
|
32
|
35
|
39
|
21
|
20
|
25
|
30
|
33
|
32
|
34
|
37
|
24
|
33
|
30
|
18
|
24
|
35
|
32
|
21
|
26
|
31
|
35
|
22
|
29
|
25
|
28
|
35
|
23
|
22
|
32
|
|
2025/06
|
33
|
25
|
20
|
23
|
28
|
25
|
27
|
24
|
28
|
30
|
41
|
50
|
31
|
28
|
19
|
23
|
30
|
40
|
22
|
22
|
23
|
28
|
33
|
39
|
44
|
42
|
43
|
39
|
48
|
42
|
|
|
2025/05
|
31
|
26
|
19
|
33
|
87
|
29
|
54
|
60
|
39
|
52
|
36
|
50
|
50
|
31
|
41
|
103
|
31
|
40
|
32
|
62
|
31
|
37
|
47
|
28
|
38
|
32
|
35
|
47
|
56
|
57
|
21
|
|
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
*: primary pollution