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 Jun
Wed
18 Jun
Thu
19 Jun
Fri
20 Jun
Sat
21 Jun
Sun
22 Jun
Mon
23 Jun
Real-time AQI (Monitoring Station in Hohhot)
呼市一监
3613
PM2.5
29
PM10
114
O3
0.4
CO
8
SO2
14
NO2
小召
3811
PM2.5
34
PM10
119
O3
0.8
CO
6
SO2
24
NO2
如意水处理厂
4210
PM2.5
24
PM10
134
O3
0.3
CO
5
SO2
13
NO2
工大金川校区
5113
PM2.5
51 *
PM10
119
O3
0.5
CO
16
SO2
22
NO2
化肥厂生活区
399
PM2.5
27
PM10
124
O3
0.4
CO
6
SO2
22
NO2
红旗小学
5412
PM2.5
58 *
PM10
113
O3
0.4
CO
15
SO2
37
NO2
海东办
4011
PM2.5
39
PM10
126
O3
0.3
CO
8
SO2
16
NO2
Air quality in the last 12 months (Hohhot)
|
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
|
|
|
2024/10
|
12
|
29
|
44
|
55
|
59
|
30
|
31
|
52
|
49
|
37
|
57
|
60
|
49
|
55
|
18
|
73
|
99
|
16
|
17
|
28
|
33
|
30
|
56
|
57
|
57
|
18
|
25
|
52
|
54
|
43
|
53
|
|
2024/09
|
11
|
20
|
35
|
18
|
11
|
13
|
25
|
34
|
35
|
15
|
16
|
34
|
26
|
11
|
21
|
14
|
31
|
72
|
52
|
7
|
9
|
23
|
51
|
50
|
20
|
44
|
61
|
61
|
26
|
14
|
|
|
2024/08
|
18
|
41
|
28
|
34
|
33
|
31
|
34
|
28
|
37
|
68
|
9
|
10
|
16
|
25
|
43
|
47
|
25
|
41
|
26
|
21
|
17
|
22
|
30
|
33
|
20
|
11
|
22
|
38
|
43
|
41
|
39
|
|
2024/07
|
30
|
27
|
29
|
16
|
31
|
35
|
43
|
44
|
38
|
47
|
52
|
35
|
23
|
43
|
49
|
10
|
24
|
31
|
44
|
36
|
99
|
86
|
51
|
44
|
40
|
26
|
29
|
16
|
39
|
27
|
28
|
|
2024/06
|
33
|
79
|
49
|
33
|
31
|
39
|
18
|
39
|
38
|
49
|
52
|
61
|
38
|
16
|
18
|
27
|
47
|
58
|
35
|
45
|
77
|
330
|
186
|
49
|
29
|
63
|
59
|
57
|
19
|
29
|
|
|
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