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
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Sat
1 Mar
Real-time AQI (Monitoring Station in Hohhot)
呼市一监
7958 *
PM2.5
92
PM10
34
O3
0.4
CO
10
SO2
45
NO2
小召
5326
PM2.5
56 *
PM10
61
O3
0.6
CO
9
SO2
29
NO2
如意水处理厂
3822
PM2.5
38
PM10
67
O3
0.4
CO
9
SO2
17
NO2
二十九中
4934
PM2.5
47
PM10
65
O3
0.4
CO
5
SO2
20
NO2
工大金川校区
5835
PM2.5
66 *
PM10
33
O3
0.7
CO
17
SO2
44
NO2
化肥厂生活区
5129
PM2.5
51 *
PM10
59
O3
0.4
CO
7
SO2
31
NO2
红旗小学
5626
PM2.5
61 *
PM10
32
O3
0.6
CO
6
SO2
52
NO2
海东办
5225
PM2.5
53 *
PM10
58
O3
0.4
CO
14
SO2
25
NO2
Air quality in the last 12 months (Hohhot)
|
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
|
|
2024/02
|
39
|
90
|
43
|
51
|
92
|
33
|
68
|
103
|
200
|
344
|
199
|
80
|
69
|
29
|
47
|
70
|
73
|
144
|
93
|
44
|
27
|
25
|
39
|
91
|
63
|
72
|
109
|
48
|
28
|
||
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
|
14
|
15
|
16
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17
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18
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19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution