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
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Thu
2 May
Fri
3 May
Sat
4 May
Real-time AQI (Monitoring Station in Hohhot)
如意水处理厂
245
PM2.5
12
PM10
75
O3
0.5
CO
5
SO2
13
NO2
二十九中
246
PM2.5
12
PM10
76
O3
0.5
CO
9
SO2
12
NO2
工大金川校区
3519
PM2.5
35
PM10
59
O3
0.4
CO
5
SO2
19
NO2
化肥厂生活区
259
PM2.5
16
PM10
78
O3
0.4
CO
6
SO2
12
NO2
Air quality in the last 12 months (Hohhot)
|
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
|
||
|
2024/01
|
137
|
154
|
101
|
100
|
57
|
35
|
53
|
84
|
85
|
90
|
97
|
102
|
69
|
30
|
49
|
82
|
141
|
135
|
121
|
30
|
23
|
40
|
87
|
131
|
153
|
152
|
145
|
119
|
82
|
94
|
30
|
|
2023/12
|
44
|
68
|
72
|
84
|
89
|
280
|
120
|
140
|
64
|
62
|
76
|
95
|
74
|
68
|
26
|
30
|
50
|
98
|
31
|
41
|
41
|
70
|
126
|
125
|
104
|
184
|
173
|
231
|
202
|
109
|
48
|
|
2023/11
|
93
|
85
|
93
|
106
|
65
|
31
|
57
|
45
|
20
|
19
|
20
|
27
|
60
|
72
|
83
|
38
|
41
|
67
|
88
|
82
|
99
|
115
|
29
|
41
|
76
|
99
|
35
|
30
|
24
|
36
|
|
|
2023/10
|
39
|
59
|
51
|
22
|
36
|
60
|
48
|
22
|
36
|
44
|
56
|
47
|
32
|
52
|
50
|
48
|
67
|
44
|
22
|
42
|
62
|
84
|
105
|
114
|
96
|
70
|
75
|
75
|
87
|
81
|
117
|
|
2023/09
|
36
|
36
|
38
|
47
|
45
|
50
|
69
|
64
|
37
|
41
|
25
|
28
|
46
|
60
|
54
|
36
|
39
|
45
|
24
|
33
|
50
|
30
|
46
|
48
|
63
|
68
|
44
|
41
|
39
|
27
|
|
|
2023/08
|
32
|
40
|
47
|
28
|
39
|
39
|
49
|
43
|
56
|
57
|
42
|
36
|
34
|
51
|
57
|
48
|
95
|
51
|
38
|
64
|
35
|
28
|
21
|
29
|
34
|
39
|
35
|
41
|
32
|
32
|
32
|
|
2023/07
|
69
|
56
|
50
|
55
|
70
|
54
|
33
|
29
|
44
|
39
|
48
|
40
|
40
|
41
|
27
|
36
|
59
|
78
|
78
|
70
|
53
|
33
|
38
|
44
|
48
|
42
|
48
|
36
|
41
|
29
|
15
|
|
2023/06
|
58
|
35
|
36
|
30
|
43
|
42
|
49
|
35
|
35
|
33
|
33
|
47
|
40
|
52
|
75
|
76
|
67
|
79
|
53
|
32
|
44
|
66
|
70
|
69
|
59
|
61
|
63
|
38
|
37
|
58
|
|
|
2023/05
|
80
|
102
|
89
|
45
|
26
|
28
|
34
|
45
|
66
|
62
|
55
|
56
|
51
|
74
|
71
|
159
|
53
|
46
|
193
|
167
|
51
|
33
|
52
|
77
|
51
|
52
|
72
|
64
|
47
|
41
|
68
|
|
2023/04
|
79
|
84
|
38
|
35
|
30
|
37
|
33
|
54
|
183
|
410
|
320
|
169
|
165
|
186
|
64
|
67
|
172
|
147
|
213
|
61
|
29
|
54
|
50
|
42
|
55
|
68
|
233
|
83
|
62
|
47
|
|
|
2023/03
|
40
|
64
|
73
|
79
|
94
|
96
|
86
|
78
|
102
|
214
|
147
|
64
|
86
|
92
|
53
|
65
|
48
|
31
|
56
|
58
|
232
|
498
|
116
|
70
|
45
|
60
|
57
|
66
|
60
|
63
|
80
|
|
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