Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
10
O3
0.3
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
60
Good
Sat
16 Aug
60
Good
Sun
17 Aug
61
Good
Mon
18 Aug
60
Good
Tue
19 Aug
67
Good
Wed
20 Aug
40
Excellent
Thu
21 Aug
46
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