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
21 Oct
Wed
22 Oct
Thu
23 Oct
Fri
24 Oct
Sat
25 Oct
Sun
26 Oct
Mon
27 Oct
Real-time AQI (Monitoring Station in Bayannur)
附中
3323
PM2.5
26
PM10
40
O3
0.4
CO
11
SO2
14
NO2
市环保大楼
3516
PM2.5
35
PM10
45
O3
0.6
CO
12
SO2
12
NO2
Air quality in the last 12 months (Bayannur)
|
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
|
|
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
|
|
|
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