Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
51
*
PM2.5
82
PM10
43
O3
0.8
CO
7
SO2
18
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
23 Sep
79
Good
Thu
24 Sep
48
Excellent
Fri
25 Sep
46
Excellent
Sat
26 Sep
46
Excellent
Sun
27 Sep
59
Good
Mon
28 Sep
30
Excellent
Tue
29 Sep
22
Excellent
Air quality in the last 12 months (Biyang)
|
2026/08
|
23
|
23
|
26
|
29
|
39
|
36
|
42
|
51
|
42
|
33
|
16
|
15
|
21
|
28
|
38
|
34
|
33
|
44
|
48
|
50
|
29
|
27
|
27
|
29
|
27
|
33
|
39
|
44
|
32
|
41
|
38
|
|
2026/07
|
36
|
31
|
28
|
21
|
21
|
20
|
20
|
26
|
22
|
26
|
32
|
37
|
39
|
37
|
38
|
27
|
26
|
36
|
41
|
52
|
44
|
35
|
26
|
32
|
30
|
31
|
19
|
17
|
15
|
22
|
21
|
|
2026/06
|
96
|
67
|
64
|
68
|
64
|
62
|
32
|
27
|
31
|
43
|
51
|
43
|
36
|
41
|
56
|
40
|
49
|
41
|
26
|
32
|
40
|
30
|
35
|
35
|
43
|
47
|
50
|
51
|
53
|
48
|
|
|
2026/05
|
50
|
38
|
37
|
40
|
45
|
50
|
59
|
49
|
51
|
49
|
55
|
65
|
57
|
39
|
55
|
50
|
36
|
23
|
29
|
28
|
35
|
42
|
50
|
40
|
18
|
25
|
34
|
54
|
51
|
45
|
79
|
|
2026/04
|
56
|
55
|
39
|
82
|
82
|
81
|
67
|
48
|
34
|
61
|
70
|
59
|
46
|
49
|
44
|
51
|
58
|
63
|
70
|
96
|
44
|
31
|
44
|
38
|
50
|
57
|
58
|
64
|
47
|
49
|
|
|
2026/03
|
36
|
45
|
57
|
80
|
70
|
80
|
77
|
85
|
99
|
100
|
111
|
164
|
93
|
116
|
47
|
81
|
84
|
68
|
75
|
80
|
69
|
75
|
93
|
87
|
68
|
73
|
60
|
56
|
66
|
59
|
76
|
|
2026/02
|
88
|
87
|
95
|
104
|
126
|
95
|
77
|
88
|
71
|
81
|
92
|
86
|
82
|
84
|
85
|
50
|
88
|
67
|
67
|
58
|
54
|
133
|
197
|
58
|
42
|
33
|
66
|
52
|
|||
|
2026/01
|
63
|
101
|
109
|
97
|
116
|
52
|
42
|
61
|
62
|
85
|
65
|
76
|
109
|
110
|
88
|
120
|
116
|
64
|
59
|
59
|
59
|
79
|
88
|
112
|
165
|
175
|
152
|
104
|
112
|
95
|
96
|
|
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
|
|
|
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