Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
25
PM2.5
46
PM10
209
O3
0.5
CO
6
SO2
13
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
14 May
110
Light
Thu
15 May
97
Good
Fri
16 May
63
Good
Sat
17 May
101
Light
Sun
18 May
85
Good
Mon
19 May
95
Good
Tue
20 May
25
Excellent
Air quality in the last 12 months (Chongming)
|
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
|
|
2024/06
|
57
|
20
|
40
|
42
|
31
|
14
|
19
|
19
|
32
|
26
|
13
|
22
|
41
|
31
|
21
|
22
|
15
|
21
|
15
|
28
|
38
|
27
|
25
|
33
|
34
|
20
|
13
|
20
|
25
|
18
|
|
|
2024/05
|
33
|
38
|
32
|
33
|
30
|
55
|
48
|
34
|
21
|
33
|
48
|
68
|
65
|
40
|
41
|
32
|
37
|
33
|
28
|
23
|
22
|
34
|
23
|
17
|
20
|
28
|
20
|
21
|
30
|
33
|
50
|
|
2024/04
|
63
|
29
|
36
|
48
|
48
|
46
|
43
|
39
|
59
|
61
|
46
|
27
|
22
|
18
|
42
|
38
|
35
|
74
|
101
|
42
|
24
|
29
|
40
|
43
|
33
|
34
|
22
|
20
|
28
|
36
|
|
|
2024/03
|
40
|
59
|
68
|
36
|
31
|
54
|
44
|
77
|
80
|
42
|
57
|
98
|
54
|
51
|
39
|
39
|
69
|
53
|
85
|
95
|
58
|
67
|
68
|
65
|
54
|
39
|
39
|
59
|
59
|
66
|
70
|
|
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