Air Quality
Excellent
No health implications.
12
PM2.5
20
PM10
23
O3
0.6
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jul
69
Good
Thu
30 Jul
90
Good
Fri
31 Jul
103
Light
Sat
1 Aug
106
Light
Sun
2 Aug
110
Light
Mon
3 Aug
42
Excellent
Tue
4 Aug
17
Excellent
Air quality in the last 12 months (Songjiang)
|
2026/06
|
54
|
58
|
62
|
67
|
47
|
33
|
40
|
35
|
42
|
49
|
60
|
45
|
41
|
35
|
28
|
26
|
54
|
68
|
32
|
20
|
40
|
22
|
24
|
23
|
24
|
51
|
48
|
54
|
31
|
29
|
|
|
2026/05
|
57
|
49
|
53
|
46
|
50
|
40
|
56
|
31
|
33
|
41
|
47
|
56
|
44
|
28
|
37
|
38
|
39
|
39
|
42
|
48
|
54
|
39
|
62
|
26
|
47
|
40
|
32
|
43
|
61
|
56
|
55
|
|
2026/04
|
59
|
69
|
41
|
59
|
63
|
68
|
35
|
37
|
35
|
63
|
49
|
32
|
31
|
46
|
52
|
36
|
55
|
40
|
42
|
41
|
77
|
25
|
32
|
53
|
48
|
51
|
74
|
48
|
31
|
52
|
|
|
2026/03
|
26
|
22
|
36
|
25
|
42
|
55
|
39
|
30
|
39
|
30
|
39
|
46
|
74
|
45
|
32
|
41
|
57
|
46
|
56
|
39
|
33
|
48
|
44
|
43
|
82
|
39
|
42
|
52
|
60
|
45
|
43
|
|
2026/02
|
62
|
98
|
56
|
54
|
94
|
60
|
34
|
49
|
40
|
46
|
94
|
115
|
93
|
70
|
94
|
34
|
57
|
93
|
101
|
65
|
47
|
109
|
66
|
19
|
37
|
31
|
22
|
37
|
|||
|
2026/01
|
20
|
39
|
54
|
65
|
83
|
111
|
54
|
86
|
91
|
93
|
71
|
68
|
80
|
83
|
93
|
190
|
84
|
50
|
32
|
22
|
44
|
47
|
76
|
95
|
62
|
31
|
59
|
42
|
42
|
31
|
24
|
|
2025/12
|
98
|
42
|
36
|
43
|
60
|
76
|
110
|
87
|
45
|
33
|
82
|
23
|
29
|
57
|
61
|
58
|
101
|
48
|
43
|
104
|
30
|
23
|
41
|
52
|
44
|
26
|
38
|
65
|
71
|
71
|
23
|
|
2025/11
|
121
|
117
|
17
|
25
|
31
|
40
|
34
|
38
|
24
|
39
|
18
|
33
|
31
|
69
|
50
|
38
|
34
|
36
|
46
|
61
|
78
|
132
|
104
|
100
|
80
|
56
|
125
|
137
|
91
|
84
|
|
|
2025/10
|
48
|
23
|
46
|
33
|
25
|
29
|
49
|
19
|
18
|
26
|
31
|
40
|
69
|
35
|
27
|
31
|
14
|
21
|
26
|
29
|
25
|
24
|
29
|
33
|
33
|
42
|
49
|
20
|
24
|
27
|
31
|
|
2025/09
|
31
|
31
|
26
|
22
|
27
|
24
|
39
|
22
|
25
|
25
|
27
|
33
|
41
|
38
|
33
|
24
|
29
|
22
|
20
|
24
|
20
|
21
|
20
|
16
|
15
|
21
|
28
|
41
|
31
|
30
|
|
|
2025/08
|
35
|
38
|
33
|
37
|
34
|
21
|
25
|
29
|
37
|
37
|
40
|
30
|
19
|
16
|
13
|
22
|
33
|
21
|
21
|
27
|
45
|
37
|
35
|
31
|
25
|
35
|
15
|
14
|
14
|
13
|
22
|
|
2025/07
|
16
|
21
|
25
|
25
|
26
|
20
|
12
|
15
|
16
|
37
|
19
|
15
|
22
|
44
|
44
|
46
|
40
|
27
|
19
|
24
|
20
|
19
|
18
|
20
|
21
|
15
|
13
|
18
|
17
|
10
|
15
|
|
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