Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
70
*
PM2.5
92
PM10
77
O3
1.0
CO
11
SO2
28
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 Feb
87
Good
Thu
5 Feb
57
Good
Fri
6 Feb
60
Good
Sat
7 Feb
61
Good
Sun
8 Feb
83
Good
Mon
9 Feb
93
Good
Tue
10 Feb
49
Excellent
Bayan Air quality rank
Air quality in the last 12 months (Bayan)
|
2025/12
|
74
|
42
|
50
|
50
|
47
|
61
|
89
|
65
|
70
|
58
|
41
|
48
|
94
|
124
|
84
|
52
|
94
|
84
|
61
|
39
|
59
|
59
|
54
|
80
|
73
|
64
|
94
|
96
|
44
|
42
|
43
|
|
2025/11
|
172
|
20
|
44
|
55
|
180
|
137
|
29
|
108
|
57
|
32
|
67
|
118
|
50
|
115
|
109
|
83
|
35
|
57
|
161
|
82
|
68
|
255
|
273
|
137
|
116
|
282
|
123
|
83
|
49
|
54
|
|
|
2025/10
|
44
|
44
|
48
|
35
|
30
|
36
|
36
|
32
|
46
|
55
|
60
|
33
|
51
|
50
|
65
|
49
|
118
|
23
|
31
|
23
|
35
|
48
|
49
|
75
|
141
|
57
|
45
|
65
|
153
|
108
|
95
|
|
2025/09
|
22
|
29
|
35
|
42
|
42
|
22
|
26
|
23
|
20
|
23
|
28
|
39
|
37
|
38
|
18
|
20
|
18
|
28
|
27
|
36
|
33
|
35
|
41
|
25
|
19
|
24
|
26
|
45
|
39
|
52
|
|
|
2025/08
|
31
|
33
|
18
|
21
|
18
|
20
|
18
|
27
|
22
|
13
|
17
|
26
|
22
|
13
|
24
|
17
|
18
|
27
|
21
|
23
|
26
|
14
|
23
|
21
|
25
|
19
|
24
|
28
|
24
|
25
|
38
|
|
2025/07
|
18
|
20
|
32
|
24
|
24
|
18
|
19
|
27
|
27
|
28
|
39
|
34
|
19
|
21
|
21
|
16
|
22
|
21
|
25
|
17
|
14
|
26
|
25
|
28
|
17
|
19
|
23
|
17
|
21
|
13
|
17
|
|
2025/06
|
24
|
28
|
19
|
21
|
17
|
14
|
20
|
34
|
21
|
17
|
17
|
28
|
37
|
25
|
35
|
24
|
17
|
36
|
23
|
17
|
12
|
22
|
30
|
41
|
44
|
59
|
54
|
37
|
28
|
40
|
|
|
2025/05
|
55
|
40
|
42
|
29
|
25
|
36
|
39
|
38
|
26
|
27
|
47
|
68
|
56
|
47
|
68
|
29
|
21
|
29
|
24
|
37
|
34
|
23
|
23
|
21
|
23
|
28
|
37
|
51
|
52
|
46
|
54
|
|
2025/04
|
90
|
74
|
70
|
49
|
48
|
51
|
53
|
57
|
96
|
159
|
161
|
83
|
43
|
25
|
25
|
45
|
129
|
70
|
35
|
107
|
130
|
22
|
33
|
33
|
19
|
24
|
52
|
78
|
73
|
70
|
|
|
2025/03
|
24
|
31
|
45
|
45
|
47
|
60
|
49
|
53
|
75
|
169
|
86
|
61
|
24
|
32
|
36
|
30
|
34
|
38
|
79
|
97
|
89
|
16
|
28
|
63
|
46
|
47
|
28
|
25
|
23
|
34
|
69
|
|
2025/02
|
130
|
157
|
161
|
80
|
83
|
85
|
56
|
41
|
85
|
115
|
123
|
124
|
85
|
58
|
75
|
50
|
37
|
43
|
53
|
61
|
58
|
62
|
65
|
52
|
55
|
45
|
73
|
77
|
|||
|
2025/01
|
147
|
153
|
117
|
162
|
127
|
131
|
140
|
67
|
85
|
142
|
194
|
189
|
133
|
227
|
97
|
59
|
76
|
79
|
174
|
204
|
184
|
165
|
210
|
235
|
235
|
200
|
85
|
71
|
97
|
66
|
96
|
|
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
Air quality source: CNEMC
*: primary pollution