Air Quality
Excellent
No health implications.
14
PM2.5
38
PM10
38
O3
0.4
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
35
Excellent
Sun
28 Jul
32
Excellent
Mon
29 Jul
35
Excellent
Tue
30 Jul
32
Excellent
Wed
31 Jul
42
Excellent
Thu
1 Aug
47
Excellent
Fri
2 Aug
47
Excellent
Air quality in the last 12 months (Putuo)
|
2024/06
|
27
|
13
|
23
|
46
|
20
|
11
|
9
|
16
|
27
|
14
|
9
|
20
|
22
|
12
|
20
|
23
|
13
|
14
|
15
|
22
|
38
|
33
|
31
|
29
|
28
|
17
|
28
|
19
|
19
|
21
|
|
|
2024/05
|
26
|
30
|
23
|
22
|
34
|
35
|
42
|
30
|
14
|
18
|
21
|
41
|
52
|
28
|
37
|
24
|
20
|
26
|
24
|
18
|
19
|
23
|
20
|
17
|
16
|
23
|
18
|
40
|
28
|
20
|
16
|
|
2024/04
|
21
|
24
|
33
|
32
|
46
|
35
|
36
|
25
|
50
|
40
|
40
|
24
|
13
|
13
|
39
|
22
|
13
|
54
|
97
|
55
|
23
|
12
|
16
|
42
|
39
|
26
|
16
|
17
|
23
|
14
|
|
|
2024/03
|
37
|
53
|
54
|
33
|
28
|
36
|
37
|
75
|
58
|
38
|
49
|
68
|
39
|
36
|
27
|
25
|
39
|
57
|
57
|
97
|
75
|
50
|
47
|
39
|
43
|
25
|
19
|
32
|
34
|
36
|
48
|
|
2024/02
|
27
|
22
|
21
|
21
|
37
|
60
|
38
|
38
|
115
|
132
|
77
|
89
|
40
|
41
|
35
|
27
|
25
|
32
|
39
|
19
|
19
|
19
|
30
|
27
|
66
|
49
|
53
|
29
|
19
|
||
|
2024/01
|
60
|
44
|
83
|
103
|
55
|
107
|
67
|
20
|
58
|
114
|
97
|
84
|
74
|
68
|
34
|
25
|
24
|
46
|
24
|
28
|
46
|
31
|
38
|
44
|
52
|
90
|
107
|
106
|
88
|
33
|
24
|
|
2023/12
|
45
|
40
|
40
|
48
|
56
|
68
|
89
|
51
|
57
|
38
|
25
|
26
|
36
|
30
|
27
|
29
|
31
|
28
|
21
|
49
|
41
|
39
|
48
|
62
|
90
|
78
|
38
|
45
|
34
|
54
|
141
|
|
2023/11
|
28
|
29
|
22
|
16
|
18
|
23
|
34
|
43
|
34
|
25
|
27
|
25
|
25
|
30
|
46
|
48
|
81
|
49
|
43
|
48
|
41
|
32
|
73
|
37
|
23
|
24
|
62
|
68
|
58
|
39
|
|
|
2023/10
|
35
|
31
|
35
|
31
|
35
|
26
|
29
|
29
|
27
|
39
|
34
|
28
|
26
|
38
|
52
|
66
|
48
|
33
|
38
|
36
|
27
|
32
|
25
|
22
|
27
|
31
|
38
|
29
|
31
|
30
|
26
|
|
2023/09
|
33
|
39
|
17
|
19
|
22
|
29
|
32
|
31
|
31
|
28
|
24
|
26
|
23
|
22
|
23
|
18
|
52
|
35
|
17
|
24
|
31
|
26
|
29
|
23
|
24
|
37
|
39
|
30
|
35
|
35
|
|
|
2023/08
|
19
|
27
|
34
|
28
|
22
|
23
|
24
|
26
|
33
|
40
|
39
|
31
|
26
|
45
|
19
|
28
|
31
|
31
|
24
|
18
|
27
|
28
|
27
|
28
|
23
|
23
|
12
|
11
|
18
|
26
|
31
|
|
2023/07
|
29
|
28
|
29
|
38
|
44
|
41
|
46
|
50
|
52
|
30
|
23
|
25
|
23
|
21
|
20
|
17
|
18
|
34
|
22
|
21
|
19
|
19
|
21
|
17
|
13
|
17
|
16
|
21
|
17
|
17
|
18
|
|
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