Air Quality
Excellent
No health implications.
12
PM2.5
18
PM10
41
O3
0.5
CO
5
SO2
32
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
49
Excellent
Fri
20 Dec
88
Good
Sat
21 Dec
96
Good
Sun
22 Dec
58
Good
Mon
23 Dec
67
Good
Tue
24 Dec
54
Good
Wed
25 Dec
65
Good
Putuo Air quality rank
Air quality in the last 12 months (Putuo)
|
2024/11
|
10
|
50
|
78
|
63
|
27
|
24
|
27
|
27
|
31
|
33
|
40
|
44
|
53
|
37
|
61
|
45
|
22
|
27
|
25
|
32
|
62
|
78
|
18
|
24
|
32
|
40
|
61
|
71
|
54
|
64
|
|
|
2024/10
|
20
|
26
|
21
|
19
|
19
|
12
|
15
|
44
|
35
|
71
|
77
|
64
|
20
|
42
|
50
|
26
|
33
|
42
|
29
|
39
|
39
|
48
|
38
|
23
|
34
|
13
|
19
|
59
|
26
|
30
|
23
|
|
2024/09
|
36
|
38
|
26
|
25
|
24
|
40
|
43
|
28
|
22
|
30
|
26
|
25
|
19
|
18
|
24
|
16
|
22
|
24
|
28
|
18
|
23
|
33
|
30
|
31
|
33
|
19
|
27
|
36
|
34
|
36
|
|
|
2024/08
|
34
|
42
|
42
|
34
|
37
|
33
|
29
|
37
|
35
|
39
|
45
|
45
|
36
|
20
|
26
|
34
|
22
|
17
|
18
|
25
|
23
|
38
|
33
|
29
|
28
|
25
|
44
|
33
|
16
|
30
|
27
|
|
2024/07
|
40
|
29
|
22
|
37
|
42
|
42
|
44
|
43
|
42
|
40
|
23
|
26
|
39
|
67
|
44
|
24
|
35
|
38
|
37
|
38
|
33
|
26
|
24
|
25
|
28
|
33
|
27
|
26
|
21
|
22
|
29
|
|
2024/06
|
61
|
21
|
42
|
53
|
33
|
18
|
20
|
24
|
34
|
26
|
18
|
35
|
62
|
40
|
29
|
29
|
20
|
23
|
22
|
28
|
42
|
36
|
23
|
33
|
35
|
28
|
15
|
22
|
30
|
27
|
|
|
2024/05
|
37
|
37
|
36
|
38
|
34
|
55
|
64
|
41
|
24
|
34
|
52
|
65
|
71
|
44
|
46
|
36
|
42
|
37
|
32
|
27
|
27
|
38
|
25
|
25
|
27
|
34
|
31
|
22
|
26
|
43
|
69
|
|
2024/04
|
69
|
33
|
33
|
44
|
51
|
46
|
46
|
37
|
63
|
61
|
51
|
32
|
28
|
24
|
59
|
51
|
27
|
73
|
112
|
51
|
39
|
46
|
46
|
47
|
35
|
46
|
34
|
32
|
43
|
40
|
|
|
2024/03
|
43
|
64
|
68
|
41
|
41
|
52
|
50
|
81
|
80
|
47
|
61
|
101
|
50
|
60
|
45
|
40
|
78
|
63
|
80
|
106
|
67
|
70
|
76
|
78
|
63
|
42
|
39
|
54
|
60
|
63
|
74
|
|
2024/02
|
27
|
29
|
22
|
37
|
50
|
73
|
49
|
71
|
142
|
201
|
101
|
81
|
55
|
57
|
50
|
28
|
28
|
32
|
46
|
24
|
18
|
27
|
50
|
50
|
85
|
67
|
57
|
40
|
27
|
||
|
2024/01
|
85
|
60
|
98
|
121
|
99
|
151
|
73
|
27
|
91
|
121
|
119
|
123
|
150
|
104
|
31
|
29
|
42
|
70
|
50
|
47
|
65
|
39
|
37
|
53
|
66
|
94
|
108
|
121
|
107
|
40
|
37
|
|
2023/12
|
50
|
56
|
75
|
88
|
99
|
98
|
109
|
71
|
70
|
60
|
27
|
51
|
56
|
53
|
47
|
47
|
32
|
25
|
28
|
60
|
41
|
46
|
60
|
82
|
101
|
108
|
74
|
87
|
79
|
106
|
194
|
|
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