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
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
Tue
22 Jul
Wed
23 Jul
Thu
24 Jul
Bayannur Air quality rank
Real-time AQI (Monitoring Station in Bayannur)
附中
488
PM2.5
35
PM10
153
O3
0.6
CO
10
SO2
9
NO2
市环保大楼
4613
PM2.5
46
PM10
142
O3
0.5
CO
6
SO2
10
NO2
Air quality in the last 12 months (Bayannur)
|
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
|
|
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
|
|
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