Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
68
*
PM2.5
77
PM10
30
O3
0.8
CO
8
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Dec
128
Light
Mon
8 Dec
80
Good
Tue
9 Dec
127
Light
Wed
10 Dec
63
Good
Thu
11 Dec
62
Good
Fri
12 Dec
16
Excellent
Sat
13 Dec
42
Excellent
Bayan Air quality rank
Air quality in the last 12 months (Bayan)
|
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
|
|
2024/12
|
61
|
35
|
28
|
34
|
49
|
35
|
53
|
76
|
98
|
135
|
50
|
75
|
118
|
80
|
48
|
63
|
85
|
90
|
114
|
214
|
126
|
67
|
73
|
74
|
66
|
44
|
60
|
75
|
72
|
91
|
113
|
|
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