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
11 May
Mon
12 May
Tue
13 May
Wed
14 May
Thu
15 May
Fri
16 May
Sat
17 May
Real-time AQI (Monitoring Station in Bayannur)
附中
378
PM2.5
30
PM10
116
O3
0.3
CO
7
SO2
5
NO2
市环保大楼
3911
PM2.5
35
PM10
123
O3
0.1
CO
4
SO2
9
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