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 Sep
Fri
19 Sep
Sat
20 Sep
Sun
21 Sep
Mon
22 Sep
Tue
23 Sep
Wed
24 Sep
Real-time AQI (Monitoring Station in Bayannur)
附中
3514
PM2.5
29
PM10
109
O3
0.3
CO
10
SO2
6
NO2
市环保大楼
3826
PM2.5
36
PM10
86
O3
0.5
CO
10
SO2
13
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