Air Quality
Excellent
No health implications.
16
PM2.5
30
PM10
94
O3
0.4
CO
7
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
93
Good
Thu
21 Aug
105
Light
Fri
22 Aug
118
Light
Sat
23 Aug
104
Light
Sun
24 Aug
81
Good
Mon
25 Aug
62
Good
Tue
26 Aug
50
Excellent
Air quality in the last 12 months (Songjiang)
|
2025/06
|
18
|
17
|
41
|
65
|
35
|
37
|
41
|
27
|
24
|
32
|
36
|
18
|
15
|
34
|
13
|
24
|
48
|
46
|
31
|
22
|
26
|
20
|
18
|
31
|
52
|
51
|
31
|
36
|
22
|
15
|
|
|
2025/05
|
54
|
54
|
51
|
27
|
40
|
82
|
59
|
49
|
19
|
39
|
34
|
50
|
40
|
36
|
48
|
60
|
61
|
71
|
48
|
49
|
37
|
48
|
19
|
49
|
48
|
44
|
32
|
35
|
41
|
63
|
54
|
|
2025/04
|
47
|
67
|
48
|
40
|
71
|
69
|
57
|
66
|
78
|
89
|
69
|
106
|
96
|
81
|
50
|
59
|
62
|
61
|
63
|
61
|
46
|
61
|
62
|
90
|
59
|
37
|
42
|
53
|
44
|
50
|
|
|
2025/03
|
42
|
57
|
25
|
23
|
24
|
32
|
56
|
68
|
38
|
43
|
58
|
34
|
33
|
41
|
24
|
46
|
49
|
46
|
44
|
54
|
61
|
67
|
68
|
61
|
76
|
84
|
66
|
55
|
60
|
37
|
40
|
|
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
|
|
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