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
17 Apr
Fri
18 Apr
Sat
19 Apr
Sun
20 Apr
Mon
21 Apr
Tue
22 Apr
Wed
23 Apr
Real-time AQI (Monitoring Station in Bayannur)
附中
6339
PM2.5
76 *
PM10
67
O3
0.4
CO
8
SO2
16
NO2
市环保大楼
7037
PM2.5
90 *
PM10
74
O3
0.3
CO
13
SO2
19
NO2
Air quality in the last 12 months (Bayannur)
|
2025/02
|
66
|
41
|
36
|
35
|
78
|
90
|
41
|
36
|
57
|
81
|
96
|
74
|
49
|
83
|
70
|
62
|
60
|
40
|
36
|
43
|
42
|
32
|
34
|
46
|
61
|
75
|
69
|
71
|
|||
|
2025/01
|
77
|
35
|
49
|
105
|
60
|
42
|
39
|
37
|
45
|
56
|
53
|
58
|
105
|
37
|
52
|
42
|
72
|
64
|
61
|
60
|
85
|
73
|
75
|
134
|
277
|
105
|
38
|
53
|
234
|
162
|
85
|
|
2024/12
|
53
|
38
|
56
|
41
|
42
|
36
|
35
|
45
|
58
|
63
|
47
|
127
|
69
|
45
|
43
|
61
|
67
|
53
|
60
|
41
|
39
|
59
|
63
|
79
|
55
|
42
|
65
|
52
|
245
|
83
|
78
|
|
2024/11
|
70
|
59
|
44
|
46
|
54
|
84
|
96
|
83
|
78
|
72
|
74
|
59
|
97
|
104
|
139
|
71
|
48
|
67
|
79
|
61
|
55
|
70
|
92
|
81
|
62
|
65
|
75
|
50
|
49
|
51
|
|
|
2024/10
|
58
|
38
|
45
|
64
|
52
|
46
|
46
|
55
|
67
|
54
|
57
|
56
|
46
|
70
|
43
|
68
|
73
|
55
|
53
|
66
|
59
|
38
|
52
|
59
|
95
|
62
|
49
|
65
|
66
|
74
|
96
|
|
2024/09
|
41
|
45
|
65
|
121
|
51
|
34
|
30
|
54
|
122
|
52
|
52
|
62
|
33
|
28
|
38
|
48
|
36
|
59
|
64
|
32
|
34
|
39
|
67
|
53
|
34
|
46
|
72
|
73
|
35
|
82
|
|
|
2024/08
|
57
|
68
|
59
|
46
|
53
|
56
|
45
|
45
|
76
|
36
|
31
|
38
|
37
|
46
|
68
|
54
|
48
|
41
|
39
|
33
|
39
|
40
|
48
|
56
|
43
|
33
|
44
|
47
|
51
|
59
|
52
|
|
2024/07
|
51
|
38
|
43
|
54
|
50
|
53
|
46
|
49
|
54
|
65
|
67
|
52
|
69
|
65
|
49
|
40
|
46
|
56
|
83
|
139
|
141
|
53
|
85
|
93
|
54
|
46
|
44
|
48
|
51
|
47
|
43
|
|
2024/06
|
71
|
125
|
54
|
43
|
48
|
51
|
50
|
93
|
70
|
86
|
123
|
64
|
122
|
35
|
37
|
41
|
53
|
59
|
59
|
60
|
61
|
156
|
280
|
151
|
74
|
95
|
73
|
59
|
40
|
51
|
|
|
2024/05
|
48
|
55
|
54
|
50
|
65
|
51
|
44
|
56
|
92
|
133
|
58
|
49
|
41
|
172
|
65
|
95
|
130
|
186
|
184
|
62
|
78
|
90
|
163
|
86
|
86
|
38
|
47
|
85
|
99
|
82
|
43
|
|
2024/04
|
155
|
59
|
54
|
84
|
62
|
54
|
65
|
61
|
63
|
127
|
85
|
78
|
236
|
226
|
77
|
55
|
60
|
145
|
157
|
56
|
188
|
144
|
58
|
166
|
118
|
73
|
158
|
57
|
47
|
37
|
|
|
2024/03
|
74
|
71
|
68
|
81
|
47
|
91
|
43
|
53
|
95
|
85
|
46
|
64
|
85
|
85
|
224
|
137
|
145
|
80
|
51
|
73
|
179
|
93
|
80
|
82
|
73
|
65
|
179
|
308
|
114
|
62
|
65
|
|
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