Air Quality
Excellent
No health implications.
27
PM2.5
40
PM10
55
O3
0.4
CO
5
SO2
32
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
66
Good
Wed
12 Mar
61
Good
Thu
13 Mar
54
Good
Fri
14 Mar
48
Excellent
Sat
15 Mar
44
Excellent
Sun
16 Mar
15
Excellent
Mon
17 Mar
26
Excellent
Air quality in the last 12 months (Chongming)
|
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
|
|
2024/02
|
22
|
26
|
21
|
28
|
49
|
65
|
43
|
79
|
164
|
199
|
136
|
91
|
52
|
59
|
48
|
27
|
27
|
32
|
45
|
24
|
17
|
29
|
44
|
57
|
87
|
69
|
49
|
34
|
24
|
||
|
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