Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
73
*
PM2.5
97
PM10
42
O3
0.7
CO
4
SO2
23
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Jan
152
Moderate
Thu
29 Jan
136
Light
Fri
30 Jan
81
Good
Sat
31 Jan
82
Good
Sun
1 Feb
95
Good
Mon
2 Feb
26
Excellent
Tue
3 Feb
47
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