Shanghai - China   2025-09-23   Tuesday   31.63N, 121.40E

Chongming

Shanghai - China
2025-09-23

Air Quality

Excellent

No health implications.

10

PM2.5

25

PM10

54

O3

0.3

CO

5

SO2

12

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

23 Sep

57 Good

Wed

24 Sep

45 Excellent

Thu

25 Sep

45 Excellent

Fri

26 Sep

66 Good

Sat

27 Sep

70 Good

Sun

28 Sep

65 Good

Mon

29 Sep

40 Excellent

Monthly Average AQI (Chongming)

2020/09 - 2025/08

Air quality in the last 12 months (Chongming)

2025/08
31
28
31
23
29
26
25
30
35
32
31
28
20
18
13
30
44
14
21
21
41
44
39
34
27
27
15
17
14
12
20
2025/07
19
24
29
31
29
22
14
14
20
42
29
18
22
38
41
48
43
23
14
23
21
21
15
21
22
16
17
22
19
12
15
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
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