Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
53
PM2.5
107
*
PM10
162
O3
0.9
CO
10
SO2
27
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
100
Good
Fri
25 Apr
66
Good
Sat
26 Apr
68
Good
Sun
27 Apr
50
Excellent
Mon
28 Apr
56
Good
Tue
29 Apr
88
Good
Wed
30 Apr
44
Excellent
Air quality in the last 12 months (Songjiang)
|
2025/02
|
31
|
59
|
71
|
74
|
46
|
41
|
55
|
34
|
44
|
51
|
31
|
79
|
41
|
34
|
70
|
99
|
65
|
39
|
48
|
30
|
34
|
61
|
73
|
81
|
98
|
117
|
133
|
50
|
|||
|
2025/01
|
82
|
46
|
63
|
41
|
66
|
100
|
73
|
76
|
34
|
43
|
63
|
73
|
102
|
102
|
42
|
58
|
74
|
78
|
100
|
155
|
144
|
40
|
40
|
39
|
31
|
47
|
51
|
43
|
90
|
57
|
35
|
|
2024/12
|
63
|
79
|
88
|
35
|
53
|
137
|
148
|
30
|
44
|
41
|
52
|
57
|
65
|
87
|
64
|
67
|
76
|
78
|
39
|
53
|
90
|
53
|
40
|
46
|
68
|
143
|
52
|
62
|
73
|
71
|
87
|
|
2024/11
|
9
|
55
|
83
|
79
|
27
|
28
|
28
|
30
|
33
|
40
|
53
|
45
|
52
|
40
|
48
|
52
|
24
|
26
|
29
|
29
|
61
|
85
|
20
|
23
|
31
|
35
|
55
|
67
|
52
|
65
|
|
|
2024/10
|
21
|
31
|
25
|
23
|
20
|
17
|
14
|
43
|
37
|
78
|
72
|
75
|
23
|
41
|
57
|
43
|
33
|
40
|
25
|
39
|
32
|
52
|
45
|
26
|
39
|
16
|
16
|
68
|
23
|
35
|
26
|
|
2024/09
|
37
|
35
|
29
|
24
|
25
|
45
|
44
|
30
|
21
|
32
|
14
|
23
|
16
|
21
|
25
|
14
|
13
|
22
|
18
|
13
|
22
|
30
|
26
|
33
|
50
|
25
|
26
|
36
|
35
|
33
|
|
|
2024/08
|
36
|
44
|
47
|
33
|
36
|
32
|
34
|
39
|
32
|
36
|
45
|
42
|
33
|
21
|
25
|
36
|
27
|
16
|
18
|
22
|
18
|
37
|
30
|
33
|
26
|
24
|
39
|
39
|
18
|
26
|
29
|
|
2024/07
|
40
|
25
|
34
|
39
|
48
|
44
|
46
|
43
|
40
|
41
|
29
|
39
|
52
|
75
|
43
|
24
|
32
|
40
|
43
|
33
|
33
|
27
|
19
|
22
|
25
|
28
|
24
|
20
|
19
|
18
|
29
|
|
2024/06
|
46
|
23
|
40
|
54
|
41
|
22
|
22
|
37
|
36
|
31
|
18
|
52
|
69
|
46
|
38
|
34
|
20
|
19
|
23
|
20
|
41
|
40
|
25
|
40
|
31
|
30
|
18
|
21
|
34
|
23
|
|
|
2024/05
|
41
|
38
|
36
|
36
|
31
|
48
|
76
|
50
|
22
|
31
|
57
|
64
|
65
|
42
|
55
|
38
|
36
|
35
|
32
|
30
|
29
|
40
|
26
|
29
|
22
|
35
|
28
|
22
|
35
|
37
|
67
|
|
2024/04
|
68
|
32
|
29
|
50
|
51
|
42
|
47
|
32
|
60
|
64
|
49
|
40
|
30
|
23
|
71
|
63
|
27
|
67
|
110
|
53
|
41
|
38
|
41
|
47
|
36
|
40
|
36
|
29
|
48
|
40
|
|
|
2024/03
|
41
|
63
|
67
|
37
|
38
|
56
|
54
|
81
|
86
|
53
|
66
|
97
|
50
|
59
|
42
|
41
|
82
|
70
|
75
|
117
|
63
|
63
|
72
|
91
|
65
|
43
|
40
|
53
|
56
|
63
|
83
|
|
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