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
1 May
Fri
2 May
Sat
3 May
Sun
4 May
Mon
5 May
Tue
6 May
Wed
7 May
Real-time AQI (Monitoring Station in Hohhot)
呼市一监
4814
PM2.5
48
PM10
105
O3
0.4
CO
5
SO2
3
NO2
如意水处理厂
3815
PM2.5
38
PM10
104
O3
0.3
CO
6
SO2
10
NO2
二十九中
4414
PM2.5
44
PM10
104
O3
0.3
CO
6
SO2
7
NO2
工大金川校区
4420
PM2.5
44
PM10
101
O3
0.5
CO
14
SO2
11
NO2
化肥厂生活区
3913
PM2.5
39
PM10
106
O3
0.3
CO
9
SO2
9
NO2
红旗小学
5121
PM2.5
51 *
PM10
104
O3
0.5
CO
9
SO2
15
NO2
海东办
4415
PM2.5
44
PM10
101
O3
0.6
CO
9
SO2
9
NO2
Air quality in the last 12 months (Hohhot)
|
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
|
|
|
2024/05
|
43
|
50
|
57
|
51
|
65
|
35
|
30
|
38
|
67
|
108
|
51
|
29
|
48
|
51
|
40
|
67
|
72
|
114
|
124
|
52
|
62
|
77
|
74
|
47
|
39
|
25
|
26
|
39
|
57
|
47
|
12
|
|
2024/04
|
76
|
40
|
29
|
45
|
53
|
41
|
43
|
70
|
61
|
69
|
84
|
78
|
68
|
191
|
148
|
39
|
60
|
56
|
44
|
21
|
52
|
103
|
39
|
77
|
232
|
90
|
142
|
30
|
14
|
30
|
|
|
2024/03
|
53
|
91
|
52
|
65
|
24
|
29
|
31
|
38
|
62
|
76
|
31
|
38
|
56
|
65
|
76
|
141
|
47
|
124
|
40
|
46
|
98
|
64
|
60
|
47
|
57
|
74
|
206
|
313
|
76
|
48
|
49
|
|
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