Air Quality
Excellent
No health implications.
13
PM2.5
18
PM10
68
O3
0.3
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Jul
95
Good
Sat
5 Jul
91
Good
Sun
6 Jul
93
Good
Mon
7 Jul
80
Good
Tue
8 Jul
79
Good
Wed
9 Jul
26
Excellent
Thu
10 Jul
36
Excellent
Air quality in the last 12 months (Biyang)
|
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
|
|
2024/12
|
71
|
77
|
78
|
117
|
74
|
69
|
83
|
62
|
61
|
84
|
108
|
122
|
80
|
54
|
55
|
74
|
96
|
75
|
58
|
76
|
73
|
64
|
72
|
98
|
101
|
165
|
169
|
53
|
86
|
99
|
87
|
|
2024/11
|
122
|
95
|
91
|
69
|
58
|
72
|
72
|
60
|
67
|
86
|
111
|
141
|
110
|
107
|
108
|
60
|
34
|
43
|
37
|
49
|
47
|
77
|
109
|
68
|
55
|
42
|
59
|
51
|
43
|
60
|
|
|
2024/10
|
48
|
61
|
58
|
56
|
69
|
58
|
66
|
116
|
70
|
86
|
98
|
114
|
165
|
75
|
75
|
140
|
73
|
22
|
41
|
48
|
56
|
41
|
43
|
57
|
70
|
95
|
99
|
119
|
92
|
76
|
71
|
|
2024/09
|
43
|
43
|
42
|
44
|
52
|
36
|
53
|
54
|
51
|
53
|
35
|
34
|
32
|
50
|
49
|
53
|
53
|
39
|
20
|
51
|
29
|
34
|
51
|
63
|
64
|
64
|
66
|
58
|
59
|
31
|
|
|
2024/08
|
17
|
17
|
22
|
23
|
26
|
17
|
22
|
30
|
33
|
61
|
89
|
30
|
37
|
42
|
38
|
36
|
34
|
36
|
26
|
26
|
19
|
41
|
46
|
40
|
38
|
36
|
20
|
26
|
36
|
36
|
37
|
|
2024/07
|
41
|
27
|
32
|
14
|
27
|
22
|
23
|
24
|
20
|
48
|
36
|
28
|
33
|
39
|
22
|
35
|
29
|
15
|
23
|
19
|
25
|
26
|
27
|
30
|
40
|
35
|
22
|
16
|
14
|
17
|
14
|
|
2024/06
|
81
|
68
|
59
|
50
|
46
|
54
|
45
|
54
|
52
|
47
|
46
|
44
|
34
|
46
|
57
|
53
|
40
|
52
|
55
|
37
|
40
|
39
|
41
|
96
|
85
|
56
|
53
|
18
|
19
|
30
|
|
|
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