Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
80
O3
0.3
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Sep
59
Good
Wed
3 Sep
62
Good
Thu
4 Sep
89
Good
Fri
5 Sep
101
Light
Sat
6 Sep
99
Good
Sun
7 Sep
75
Good
Mon
8 Sep
30
Excellent
Air quality in the last 12 months (Chongming)
|
2025/06
|
14
|
10
|
33
|
58
|
42
|
39
|
33
|
13
|
16
|
15
|
18
|
12
|
11
|
33
|
14
|
24
|
50
|
41
|
33
|
23
|
24
|
10
|
9
|
18
|
35
|
42
|
34
|
37
|
24
|
15
|
|
|
2025/05
|
54
|
53
|
47
|
22
|
31
|
66
|
53
|
44
|
21
|
45
|
43
|
53
|
47
|
37
|
45
|
28
|
51
|
57
|
39
|
35
|
26
|
31
|
10
|
44
|
42
|
38
|
31
|
31
|
41
|
52
|
46
|
|
2025/04
|
43
|
64
|
45
|
40
|
64
|
63
|
65
|
66
|
79
|
71
|
59
|
76
|
90
|
63
|
52
|
57
|
63
|
59
|
52
|
34
|
37
|
50
|
58
|
76
|
47
|
34
|
36
|
40
|
41
|
47
|
|
|
2025/03
|
41
|
54
|
17
|
17
|
16
|
36
|
46
|
57
|
36
|
32
|
52
|
26
|
34
|
39
|
23
|
41
|
48
|
41
|
34
|
56
|
61
|
64
|
71
|
63
|
83
|
69
|
67
|
44
|
60
|
28
|
34
|
|
2025/02
|
24
|
56
|
69
|
58
|
53
|
33
|
52
|
35
|
43
|
51
|
28
|
76
|
36
|
31
|
60
|
112
|
55
|
39
|
41
|
24
|
30
|
57
|
45
|
62
|
78
|
131
|
124
|
59
|
|||
|
2025/01
|
57
|
38
|
48
|
35
|
74
|
92
|
62
|
70
|
29
|
37
|
59
|
76
|
86
|
99
|
38
|
59
|
77
|
71
|
98
|
147
|
94
|
33
|
38
|
35
|
32
|
43
|
58
|
56
|
104
|
44
|
37
|
|
2024/12
|
62
|
87
|
61
|
25
|
61
|
132
|
121
|
24
|
31
|
35
|
59
|
39
|
62
|
59
|
62
|
65
|
82
|
61
|
35
|
54
|
85
|
43
|
35
|
47
|
66
|
112
|
43
|
56
|
68
|
72
|
76
|
|
2024/11
|
9
|
49
|
61
|
52
|
25
|
20
|
24
|
25
|
30
|
31
|
35
|
44
|
42
|
35
|
60
|
33
|
23
|
25
|
24
|
26
|
64
|
73
|
17
|
25
|
27
|
40
|
61
|
66
|
50
|
63
|
|
|
2024/10
|
17
|
23
|
18
|
18
|
17
|
9
|
12
|
36
|
31
|
54
|
69
|
51
|
21
|
26
|
46
|
25
|
29
|
38
|
25
|
31
|
33
|
42
|
38
|
21
|
31
|
13
|
16
|
44
|
19
|
25
|
20
|
|
2024/09
|
30
|
32
|
19
|
21
|
20
|
35
|
43
|
26
|
18
|
26
|
12
|
21
|
16
|
14
|
19
|
20
|
17
|
17
|
22
|
15
|
17
|
26
|
22
|
24
|
20
|
12
|
25
|
26
|
32
|
32
|
|
|
2024/08
|
37
|
41
|
42
|
31
|
32
|
28
|
28
|
31
|
28
|
36
|
38
|
43
|
37
|
18
|
23
|
33
|
19
|
17
|
14
|
25
|
23
|
40
|
32
|
25
|
20
|
19
|
33
|
25
|
16
|
22
|
23
|
|
2024/07
|
27
|
24
|
24
|
31
|
36
|
37
|
38
|
39
|
39
|
28
|
18
|
20
|
32
|
46
|
46
|
26
|
32
|
32
|
37
|
32
|
32
|
28
|
20
|
22
|
27
|
29
|
27
|
22
|
19
|
17
|
27
|
|
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