Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
93
*
PM2.5
179
PM10
60
O3
0.7
CO
7
SO2
24
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
6 Feb
92
Good
Sat
7 Feb
91
Good
Sun
8 Feb
90
Good
Mon
9 Feb
84
Good
Tue
10 Feb
89
Good
Wed
11 Feb
47
Excellent
Thu
12 Feb
34
Excellent
Biyang Air quality rank
Air quality in the last 12 months (Biyang)
|
2025/12
|
135
|
109
|
71
|
68
|
102
|
99
|
101
|
123
|
139
|
149
|
203
|
66
|
60
|
69
|
65
|
103
|
160
|
177
|
155
|
159
|
115
|
63
|
76
|
85
|
78
|
79
|
98
|
102
|
109
|
181
|
110
|
|
2025/11
|
57
|
80
|
99
|
95
|
77
|
89
|
27
|
39
|
68
|
81
|
74
|
64
|
94
|
128
|
113
|
104
|
39
|
29
|
34
|
56
|
73
|
68
|
71
|
92
|
88
|
76
|
144
|
90
|
74
|
80
|
|
|
2025/10
|
29
|
15
|
30
|
36
|
36
|
24
|
30
|
55
|
37
|
16
|
24
|
29
|
26
|
43
|
30
|
44
|
15
|
36
|
50
|
44
|
49
|
57
|
65
|
85
|
101
|
65
|
68
|
67
|
78
|
79
|
92
|
|
2025/09
|
29
|
33
|
40
|
33
|
28
|
39
|
43
|
24
|
27
|
28
|
18
|
18
|
35
|
30
|
29
|
37
|
25
|
20
|
13
|
30
|
42
|
21
|
13
|
22
|
38
|
19
|
22
|
32
|
25
|
24
|
|
|
2025/08
|
42
|
28
|
33
|
40
|
42
|
36
|
29
|
26
|
23
|
30
|
26
|
25
|
23
|
27
|
34
|
21
|
26
|
33
|
30
|
24
|
21
|
25
|
26
|
33
|
35
|
35
|
34
|
38
|
29
|
31
|
24
|
|
2025/07
|
20
|
17
|
22
|
20
|
25
|
32
|
31
|
43
|
27
|
32
|
52
|
43
|
34
|
28
|
33
|
45
|
40
|
37
|
38
|
38
|
36
|
31
|
13
|
19
|
26
|
33
|
32
|
28
|
29
|
39
|
43
|
|
2025/06
|
44
|
45
|
54
|
48
|
50
|
47
|
45
|
43
|
41
|
45
|
42
|
46
|
45
|
33
|
35
|
47
|
42
|
25
|
12
|
27
|
39
|
30
|
32
|
30
|
38
|
24
|
21
|
23
|
15
|
22
|
|
|
2025/05
|
69
|
80
|
55
|
51
|
79
|
188
|
146
|
78
|
76
|
42
|
46
|
54
|
56
|
51
|
68
|
59
|
137
|
119
|
115
|
74
|
64
|
67
|
63
|
63
|
57
|
58
|
68
|
69
|
58
|
45
|
26
|
|
2025/04
|
67
|
64
|
63
|
90
|
73
|
79
|
77
|
78
|
93
|
88
|
64
|
224
|
118
|
73
|
57
|
72
|
76
|
74
|
55
|
61
|
57
|
70
|
86
|
84
|
71
|
65
|
70
|
53
|
52
|
62
|
|
|
2025/03
|
83
|
50
|
38
|
45
|
58
|
81
|
84
|
85
|
87
|
83
|
83
|
104
|
109
|
52
|
61
|
57
|
48
|
57
|
53
|
47
|
47
|
61
|
66
|
61
|
56
|
70
|
112
|
117
|
72
|
66
|
71
|
|
2025/02
|
91
|
102
|
112
|
68
|
55
|
45
|
92
|
56
|
59
|
75
|
94
|
88
|
64
|
78
|
77
|
78
|
82
|
78
|
102
|
92
|
89
|
105
|
125
|
87
|
73
|
95
|
100
|
102
|
|||
|
2025/01
|
142
|
149
|
137
|
202
|
99
|
72
|
67
|
69
|
57
|
68
|
72
|
70
|
98
|
117
|
71
|
65
|
70
|
98
|
117
|
116
|
141
|
215
|
98
|
82
|
79
|
66
|
60
|
113
|
233
|
162
|
119
|
|
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