Air Quality
Excellent
No health implications.
12
PM2.5
22
PM10
18
O3
0.5
CO
7
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Sep
91
Good
Thu
4 Sep
97
Good
Fri
5 Sep
96
Good
Sat
6 Sep
99
Good
Sun
7 Sep
84
Good
Mon
8 Sep
49
Excellent
Tue
9 Sep
17
Excellent
Air quality in the last 12 months (Shangcheng)
|
2025/06
|
22
|
12
|
32
|
43
|
35
|
33
|
52
|
27
|
21
|
18
|
22
|
34
|
24
|
18
|
8
|
19
|
42
|
32
|
22
|
20
|
20
|
23
|
19
|
33
|
52
|
37
|
17
|
16
|
20
|
22
|
|
|
2025/05
|
46
|
54
|
55
|
39
|
34
|
77
|
85
|
54
|
18
|
28
|
33
|
45
|
43
|
43
|
78
|
50
|
29
|
63
|
40
|
29
|
14
|
36
|
21
|
48
|
62
|
56
|
55
|
37
|
31
|
55
|
52
|
|
2025/04
|
51
|
55
|
70
|
62
|
61
|
73
|
66
|
61
|
66
|
60
|
59
|
146
|
80
|
88
|
51
|
48
|
53
|
60
|
72
|
72
|
48
|
31
|
48
|
52
|
44
|
60
|
32
|
48
|
51
|
52
|
|
|
2025/03
|
44
|
45
|
29
|
21
|
37
|
45
|
68
|
69
|
57
|
65
|
60
|
43
|
31
|
42
|
22
|
54
|
29
|
45
|
57
|
63
|
43
|
52
|
51
|
56
|
56
|
66
|
59
|
58
|
54
|
56
|
36
|
|
2025/02
|
25
|
57
|
83
|
55
|
37
|
66
|
56
|
29
|
38
|
56
|
88
|
93
|
108
|
71
|
86
|
42
|
74
|
45
|
64
|
48
|
31
|
58
|
92
|
84
|
101
|
91
|
83
|
44
|
|||
|
2025/01
|
97
|
88
|
77
|
84
|
104
|
83
|
77
|
78
|
44
|
45
|
61
|
68
|
83
|
80
|
52
|
50
|
65
|
87
|
82
|
115
|
147
|
145
|
78
|
43
|
34
|
43
|
36
|
45
|
127
|
71
|
60
|
|
2024/12
|
56
|
55
|
102
|
54
|
53
|
84
|
152
|
35
|
56
|
41
|
31
|
77
|
84
|
87
|
57
|
55
|
57
|
87
|
38
|
54
|
86
|
61
|
68
|
60
|
91
|
144
|
64
|
61
|
68
|
81
|
76
|
|
2024/11
|
9
|
34
|
61
|
70
|
39
|
37
|
32
|
41
|
42
|
41
|
51
|
49
|
50
|
50
|
42
|
35
|
23
|
30
|
38
|
43
|
50
|
87
|
45
|
37
|
33
|
31
|
41
|
51
|
42
|
53
|
|
|
2024/10
|
19
|
25
|
28
|
26
|
26
|
15
|
13
|
29
|
40
|
51
|
69
|
58
|
31
|
48
|
45
|
34
|
33
|
32
|
20
|
39
|
47
|
32
|
49
|
39
|
40
|
18
|
12
|
50
|
51
|
44
|
33
|
|
2024/09
|
47
|
53
|
42
|
35
|
34
|
38
|
53
|
35
|
29
|
41
|
15
|
35
|
20
|
24
|
24
|
17
|
15
|
22
|
20
|
15
|
18
|
27
|
30
|
41
|
51
|
55
|
24
|
33
|
32
|
31
|
|
|
2024/08
|
19
|
20
|
39
|
37
|
31
|
34
|
45
|
38
|
37
|
43
|
35
|
25
|
23
|
28
|
29
|
41
|
29
|
40
|
23
|
19
|
15
|
22
|
35
|
43
|
42
|
47
|
47
|
26
|
24
|
29
|
41
|
|
2024/07
|
22
|
22
|
20
|
22
|
22
|
30
|
27
|
27
|
27
|
26
|
40
|
36
|
27
|
27
|
35
|
30
|
28
|
25
|
22
|
25
|
33
|
27
|
26
|
23
|
27
|
20
|
12
|
15
|
14
|
15
|
20
|
|
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