Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
28
O3
0.5
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
88
Good
Sun
21 Jun
56
Good
Mon
22 Jun
48
Excellent
Tue
23 Jun
48
Excellent
Wed
24 Jun
48
Excellent
Thu
25 Jun
23
Excellent
Fri
26 Jun
43
Excellent
Air quality in the last 12 months (Songjiang)
|
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
|
|
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
|
|
|
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