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
17 Nov
Tue
18 Nov
Wed
19 Nov
Thu
20 Nov
Fri
21 Nov
Sat
22 Nov
Sun
23 Nov
Hohhot Air quality rank
Real-time AQI (Monitoring Station in Hohhot)
呼市一监
173
PM2.5
6
PM10
52
O3
0.3
CO
3
SO2
2
NO2
小召
173
PM2.5
6
PM10
52
O3
0.4
CO
5
SO2
5
NO2
如意水处理厂
163
PM2.5
7
PM10
49
O3
0.2
CO
6
SO2
1
NO2
二十九中
163
PM2.5
8
PM10
50
O3
0.6
CO
7
SO2
2
NO2
工大金川校区
163
PM2.5
9
PM10
51
O3
0.3
CO
5
SO2
2
NO2
化肥厂生活区
163
PM2.5
11
PM10
51
O3
0.2
CO
2
SO2
3
NO2
红旗小学
173
PM2.5
6
PM10
52
O3
0.3
CO
6
SO2
2
NO2
海东办
163
PM2.5
6
PM10
51
O3
0.0
CO
3
SO2
3
NO2
Air quality in the last 12 months (Hohhot)
|
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
|
|
2024/11
|
93
|
94
|
28
|
24
|
47
|
53
|
66
|
73
|
93
|
30
|
65
|
66
|
58
|
92
|
75
|
62
|
41
|
51
|
64
|
100
|
103
|
52
|
75
|
67
|
18
|
19
|
29
|
25
|
49
|
54
|
|
|
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