Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
27 Dec
Sun
28 Dec
Mon
29 Dec
Tue
30 Dec
Wed
31 Dec
Thu
1 Jan
Fri
2 Jan
Real-time AQI (Monitoring Station in Hohhot)
呼市一监
8764 *
PM2.5
83
PM10
0
O3
1.3
CO
6
SO2
43
NO2
二十九中
6043
PM2.5
69
PM10
4
O3
0.7
CO
13
SO2
51
NO2
化肥厂生活区
6950 *
PM2.5
76
PM10
2
O3
1.2
CO
8
SO2
50
NO2
海东办
6446 *
PM2.5
75
PM10
4
O3
1.2
CO
6
SO2
52
NO2
Air quality in the last 12 months (Hohhot)
|
2025/11
|
34
|
29
|
55
|
63
|
58
|
55
|
46
|
64
|
62
|
53
|
67
|
50
|
49
|
67
|
78
|
17
|
18
|
39
|
64
|
104
|
98
|
80
|
113
|
40
|
60
|
127
|
58
|
114
|
140
|
75
|
|
|
2025/10
|
64
|
53
|
51
|
55
|
58
|
62
|
46
|
19
|
13
|
27
|
33
|
42
|
67
|
61
|
26
|
35
|
10
|
18
|
15
|
17
|
40
|
40
|
39
|
61
|
22
|
12
|
40
|
60
|
61
|
25
|
27
|
|
2025/09
|
25
|
47
|
41
|
45
|
33
|
44
|
24
|
41
|
58
|
57
|
39
|
27
|
38
|
45
|
31
|
11
|
13
|
23
|
42
|
51
|
33
|
29
|
43
|
47
|
51
|
47
|
51
|
31
|
44
|
55
|
|
|
2025/08
|
41
|
31
|
30
|
30
|
40
|
32
|
26
|
18
|
23
|
24
|
43
|
31
|
26
|
44
|
31
|
22
|
33
|
24
|
15
|
26
|
37
|
42
|
34
|
35
|
27
|
23
|
18
|
33
|
42
|
41
|
41
|
|
2025/07
|
43
|
29
|
37
|
44
|
8
|
16
|
25
|
29
|
25
|
24
|
24
|
36
|
22
|
38
|
24
|
10
|
21
|
36
|
26
|
9
|
19
|
34
|
30
|
15
|
17
|
16
|
16
|
27
|
21
|
16
|
36
|
|
2025/06
|
30
|
19
|
17
|
23
|
39
|
21
|
16
|
22
|
22
|
25
|
43
|
48
|
28
|
16
|
11
|
16
|
40
|
33
|
14
|
20
|
18
|
21
|
40
|
41
|
44
|
50
|
37
|
30
|
38
|
38
|
|
|
2025/05
|
43
|
16
|
24
|
40
|
69
|
41
|
65
|
57
|
33
|
46
|
47
|
57
|
47
|
25
|
52
|
127
|
34
|
44
|
45
|
63
|
31
|
21
|
52
|
41
|
39
|
29
|
36
|
53
|
59
|
42
|
10
|
|
2025/04
|
33
|
27
|
83
|
57
|
39
|
79
|
48
|
42
|
55
|
53
|
135
|
25
|
19
|
16
|
74
|
142
|
48
|
26
|
51
|
62
|
41
|
59
|
42
|
31
|
47
|
48
|
13
|
46
|
52
|
31
|
|
|
2025/03
|
66
|
28
|
35
|
69
|
33
|
25
|
46
|
66
|
80
|
160
|
236
|
107
|
64
|
48
|
26
|
30
|
25
|
25
|
33
|
37
|
59
|
79
|
197
|
166
|
89
|
167
|
73
|
29
|
14
|
30
|
43
|
|
2025/02
|
96
|
23
|
18
|
28
|
43
|
76
|
18
|
28
|
43
|
66
|
59
|
54
|
88
|
73
|
84
|
24
|
36
|
16
|
12
|
23
|
24
|
16
|
29
|
58
|
63
|
72
|
90
|
73
|
|||
|
2025/01
|
94
|
36
|
48
|
71
|
64
|
27
|
35
|
10
|
30
|
46
|
53
|
41
|
77
|
16
|
44
|
65
|
64
|
88
|
78
|
74
|
47
|
59
|
78
|
46
|
97
|
95
|
24
|
72
|
245
|
281
|
121
|
|
2024/12
|
48
|
25
|
52
|
42
|
45
|
20
|
19
|
41
|
56
|
55
|
40
|
68
|
58
|
59
|
70
|
65
|
29
|
23
|
55
|
40
|
32
|
41
|
48
|
70
|
50
|
35
|
35
|
74
|
153
|
138
|
56
|
|
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