Air Quality
Excellent
No health implications.
10
PM2.5
37
PM10
107
O3
0.2
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Sep
82
Good
Mon
15 Sep
113
Light
Tue
16 Sep
113
Light
Wed
17 Sep
101
Light
Thu
18 Sep
75
Good
Fri
19 Sep
75
Good
Sat
20 Sep
50
Excellent
Air quality in the last 12 months (Shuanghu)
|
2025/08
|
49
|
23
|
12
|
20
|
47
|
29
|
30
|
36
|
37
|
30
|
33
|
31
|
46
|
54
|
79
|
105
|
68
|
98
|
30
|
34
|
27
|
41
|
54
|
60
|
36
|
22
|
23
|
45
|
34
|
31
|
47
|
|
2025/07
|
84
|
51
|
38
|
40
|
40
|
40
|
57
|
48
|
59
|
69
|
65
|
33
|
33
|
38
|
47
|
46
|
34
|
53
|
59
|
43
|
48
|
45
|
43
|
46
|
54
|
35
|
42
|
33
|
45
|
61
|
57
|
|
2025/06
|
50
|
41
|
47
|
42
|
36
|
35
|
27
|
42
|
50
|
44
|
61
|
82
|
84
|
62
|
54
|
46
|
38
|
28
|
24
|
25
|
52
|
42
|
50
|
41
|
39
|
38
|
85
|
72
|
54
|
42
|
|
|
2025/05
|
57
|
73
|
149
|
110
|
107
|
53
|
59
|
133
|
60
|
73
|
64
|
59
|
68
|
66
|
63
|
44
|
45
|
61
|
70
|
58
|
82
|
74
|
59
|
66
|
61
|
45
|
62
|
117
|
111
|
97
|
67
|
|
2025/04
|
129
|
125
|
74
|
65
|
96
|
86
|
75
|
61
|
49
|
87
|
101
|
45
|
60
|
83
|
74
|
65
|
172
|
269
|
243
|
84
|
74
|
99
|
85
|
70
|
57
|
35
|
44
|
50
|
53
|
52
|
|
|
2025/03
|
66
|
69
|
63
|
130
|
67
|
86
|
88
|
61
|
59
|
77
|
92
|
65
|
60
|
73
|
75
|
79
|
73
|
69
|
64
|
49
|
70
|
93
|
94
|
74
|
100
|
369
|
227
|
244
|
123
|
156
|
128
|
|
2025/02
|
66
|
61
|
48
|
54
|
57
|
73
|
72
|
66
|
60
|
54
|
74
|
120
|
113
|
87
|
82
|
76
|
69
|
59
|
60
|
57
|
50
|
54
|
51
|
104
|
76
|
77
|
89
|
78
|
|||
|
2025/01
|
51
|
54
|
60
|
48
|
55
|
57
|
49
|
44
|
52
|
50
|
48
|
36
|
34
|
36
|
48
|
58
|
49
|
51
|
49
|
53
|
43
|
42
|
54
|
61
|
71
|
117
|
91
|
94
|
91
|
65
|
78
|
|
2024/12
|
58
|
66
|
56
|
65
|
71
|
73
|
59
|
63
|
76
|
61
|
64
|
56
|
62
|
37
|
39
|
54
|
62
|
49
|
51
|
54
|
44
|
46
|
52
|
55
|
50
|
38
|
54
|
62
|
47
|
47
|
49
|
|
2024/11
|
60
|
58
|
55
|
55
|
54
|
58
|
64
|
57
|
62
|
57
|
61
|
59
|
58
|
61
|
58
|
64
|
59
|
66
|
59
|
54
|
61
|
63
|
57
|
43
|
53
|
52
|
55
|
56
|
54
|
58
|
|
|
2024/10
|
63
|
58
|
49
|
43
|
40
|
47
|
55
|
56
|
49
|
55
|
50
|
55
|
56
|
53
|
44
|
54
|
57
|
57
|
40
|
56
|
49
|
60
|
59
|
65
|
61
|
61
|
57
|
65
|
69
|
63
|
58
|
|
2024/09
|
49
|
38
|
49
|
20
|
41
|
49
|
51
|
76
|
63
|
57
|
47
|
54
|
49
|
55
|
48
|
52
|
51
|
55
|
53
|
40
|
42
|
50
|
44
|
35
|
29
|
52
|
39
|
78
|
73
|
59
|
|
|
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