Air Quality
Excellent
No health implications.
9
PM2.5
11
PM10
92
O3
0.8
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
68
Good
Thu
22 May
73
Good
Fri
23 May
44
Excellent
Sat
24 May
58
Good
Sun
25 May
70
Good
Mon
26 May
87
Good
Tue
27 May
33
Excellent
Air quality in the last 12 months (Xuhui)
|
2025/04
|
44
|
66
|
46
|
41
|
68
|
69
|
62
|
66
|
76
|
86
|
69
|
77
|
93
|
77
|
54
|
61
|
66
|
59
|
56
|
54
|
42
|
65
|
65
|
89
|
50
|
37
|
41
|
48
|
40
|
46
|
|
|
2025/03
|
43
|
55
|
25
|
22
|
20
|
38
|
45
|
63
|
37
|
44
|
51
|
32
|
35
|
40
|
22
|
44
|
48
|
41
|
39
|
56
|
62
|
63
|
68
|
61
|
78
|
78
|
69
|
49
|
57
|
31
|
39
|
|
2025/02
|
26
|
58
|
69
|
64
|
53
|
36
|
52
|
37
|
43
|
50
|
31
|
76
|
37
|
36
|
66
|
111
|
58
|
43
|
47
|
29
|
34
|
57
|
56
|
74
|
84
|
133
|
135
|
52
|
|||
|
2025/01
|
55
|
42
|
56
|
37
|
69
|
98
|
64
|
71
|
29
|
39
|
57
|
71
|
91
|
102
|
38
|
57
|
72
|
73
|
97
|
155
|
114
|
32
|
37
|
37
|
32
|
44
|
55
|
45
|
89
|
46
|
33
|
|
2024/12
|
61
|
83
|
77
|
32
|
51
|
140
|
135
|
30
|
31
|
37
|
55
|
49
|
61
|
77
|
62
|
66
|
79
|
66
|
38
|
51
|
87
|
48
|
37
|
45
|
63
|
121
|
44
|
56
|
71
|
68
|
77
|
|
2024/11
|
9
|
52
|
80
|
64
|
24
|
22
|
23
|
27
|
30
|
31
|
42
|
45
|
55
|
38
|
60
|
47
|
22
|
27
|
25
|
30
|
59
|
84
|
17
|
22
|
32
|
39
|
57
|
66
|
51
|
62
|
|
|
2024/10
|
19
|
23
|
20
|
18
|
18
|
13
|
14
|
46
|
33
|
73
|
77
|
64
|
22
|
39
|
57
|
33
|
32
|
42
|
27
|
37
|
45
|
51
|
45
|
21
|
35
|
15
|
18
|
61
|
22
|
28
|
23
|
|
2024/09
|
39
|
39
|
34
|
27
|
22
|
41
|
48
|
30
|
24
|
31
|
14
|
25
|
19
|
19
|
23
|
15
|
22
|
27
|
26
|
18
|
21
|
30
|
29
|
28
|
29
|
22
|
27
|
33
|
34
|
35
|
|
|
2024/08
|
33
|
43
|
50
|
34
|
37
|
34
|
31
|
40
|
36
|
38
|
45
|
47
|
40
|
23
|
28
|
37
|
25
|
21
|
21
|
28
|
22
|
40
|
33
|
35
|
31
|
27
|
45
|
37
|
20
|
31
|
31
|
|
2024/07
|
36
|
25
|
25
|
41
|
43
|
39
|
44
|
42
|
42
|
42
|
25
|
33
|
53
|
75
|
49
|
23
|
33
|
35
|
41
|
33
|
35
|
25
|
22
|
26
|
28
|
33
|
28
|
25
|
19
|
21
|
30
|
|
2024/06
|
67
|
22
|
40
|
55
|
33
|
19
|
25
|
29
|
40
|
28
|
25
|
41
|
67
|
47
|
32
|
32
|
20
|
22
|
22
|
23
|
40
|
40
|
24
|
37
|
36
|
28
|
18
|
21
|
31
|
23
|
|
|
2024/05
|
32
|
34
|
40
|
40
|
36
|
59
|
71
|
44
|
23
|
30
|
53
|
64
|
65
|
41
|
47
|
33
|
37
|
35
|
31
|
26
|
30
|
42
|
24
|
25
|
27
|
32
|
30
|
21
|
24
|
41
|
61
|
|
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