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
28 Jan
Thu
29 Jan
Fri
30 Jan
Sat
31 Jan
Sun
1 Feb
Mon
2 Feb
Tue
3 Feb
Real-time AQI (Monitoring Station in Bayannur)
附中
9151
PM2.5
131 *
PM10
15
O3
0.6
CO
12
SO2
53
NO2
市环保大楼
7939
PM2.5
107 *
PM10
46
O3
0.6
CO
9
SO2
29
NO2
Air quality in the last 12 months (Bayannur)
|
2025/12
|
45
|
31
|
43
|
43
|
63
|
129
|
80
|
54
|
74
|
64
|
65
|
87
|
86
|
55
|
96
|
84
|
58
|
86
|
82
|
67
|
62
|
163
|
132
|
40
|
38
|
56
|
55
|
50
|
50
|
40
|
38
|
|
2025/11
|
53
|
59
|
61
|
77
|
81
|
73
|
46
|
71
|
43
|
49
|
61
|
50
|
47
|
76
|
88
|
32
|
31
|
38
|
39
|
44
|
39
|
93
|
222
|
113
|
76
|
209
|
86
|
181
|
106
|
149
|
|
|
2025/10
|
55
|
47
|
44
|
79
|
55
|
54
|
58
|
38
|
34
|
41
|
30
|
47
|
57
|
56
|
64
|
59
|
34
|
41
|
38
|
50
|
55
|
67
|
50
|
83
|
53
|
32
|
55
|
73
|
79
|
60
|
52
|
|
2025/09
|
44
|
67
|
90
|
70
|
95
|
53
|
30
|
42
|
52
|
57
|
63
|
50
|
58
|
46
|
57
|
33
|
25
|
39
|
35
|
34
|
37
|
31
|
36
|
49
|
44
|
47
|
48
|
39
|
49
|
58
|
|
|
2025/08
|
29
|
42
|
41
|
33
|
46
|
50
|
46
|
26
|
35
|
37
|
71
|
75
|
32
|
37
|
38
|
40
|
35
|
30
|
24
|
40
|
28
|
48
|
39
|
40
|
37
|
41
|
32
|
25
|
38
|
35
|
36
|
|
2025/07
|
38
|
41
|
43
|
39
|
27
|
28
|
32
|
45
|
29
|
42
|
37
|
49
|
47
|
55
|
36
|
24
|
30
|
41
|
25
|
25
|
25
|
29
|
46
|
39
|
33
|
29
|
37
|
40
|
26
|
32
|
30
|
|
2025/06
|
38
|
26
|
21
|
27
|
32
|
35
|
34
|
40
|
34
|
28
|
48
|
41
|
89
|
36
|
34
|
31
|
36
|
39
|
22
|
26
|
32
|
51
|
44
|
41
|
40
|
29
|
32
|
39
|
45
|
29
|
|
|
2025/05
|
58
|
56
|
28
|
197
|
245
|
63
|
134
|
77
|
38
|
37
|
45
|
81
|
78
|
31
|
65
|
186
|
40
|
68
|
54
|
67
|
51
|
32
|
44
|
58
|
53
|
47
|
42
|
89
|
71
|
37
|
39
|
|
2025/04
|
51
|
44
|
144
|
40
|
59
|
135
|
66
|
114
|
40
|
69
|
266
|
41
|
58
|
37
|
83
|
342
|
72
|
53
|
69
|
88
|
281
|
78
|
71
|
46
|
50
|
88
|
35
|
46
|
88
|
82
|
|
|
2025/03
|
81
|
68
|
49
|
64
|
53
|
43
|
60
|
91
|
91
|
207
|
239
|
73
|
82
|
53
|
41
|
33
|
40
|
38
|
43
|
53
|
70
|
105
|
336
|
321
|
120
|
354
|
168
|
33
|
32
|
35
|
46
|
|
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
|
|
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