Air Quality
Excellent
No health implications.
11
PM2.5
24
PM10
61
O3
0.3
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jul
40
Excellent
Sat
12 Jul
48
Excellent
Sun
13 Jul
68
Good
Mon
14 Jul
96
Good
Tue
15 Jul
128
Light
Wed
16 Jul
107
Light
Thu
17 Jul
36
Excellent
Air quality in the last 12 months (Putuo)
|
2025/06
|
15
|
16
|
38
|
69
|
41
|
43
|
40
|
22
|
23
|
28
|
28
|
15
|
15
|
32
|
15
|
26
|
55
|
51
|
39
|
23
|
26
|
13
|
13
|
27
|
47
|
41
|
36
|
38
|
24
|
17
|
|
|
2025/05
|
54
|
51
|
46
|
24
|
39
|
84
|
60
|
48
|
21
|
48
|
39
|
50
|
42
|
36
|
46
|
53
|
64
|
62
|
44
|
46
|
36
|
39
|
14
|
48
|
44
|
40
|
33
|
32
|
37
|
58
|
53
|
|
2025/04
|
46
|
68
|
46
|
43
|
69
|
68
|
63
|
64
|
75
|
89
|
70
|
83
|
94
|
79
|
70
|
60
|
67
|
61
|
63
|
53
|
43
|
65
|
66
|
90
|
51
|
35
|
40
|
53
|
40
|
47
|
|
|
2025/03
|
41
|
54
|
24
|
22
|
18
|
37
|
50
|
59
|
38
|
42
|
57
|
32
|
35
|
43
|
21
|
47
|
49
|
44
|
39
|
58
|
65
|
65
|
67
|
62
|
79
|
78
|
72
|
51
|
58
|
30
|
38
|
|
2025/02
|
27
|
58
|
69
|
66
|
55
|
37
|
54
|
38
|
44
|
52
|
26
|
75
|
37
|
34
|
61
|
111
|
60
|
44
|
47
|
29
|
35
|
52
|
57
|
71
|
85
|
133
|
137
|
66
|
|||
|
2025/01
|
56
|
43
|
57
|
38
|
63
|
94
|
66
|
69
|
32
|
42
|
59
|
70
|
84
|
93
|
38
|
59
|
72
|
67
|
93
|
153
|
112
|
30
|
38
|
38
|
31
|
46
|
55
|
46
|
90
|
46
|
34
|
|
2024/12
|
56
|
78
|
76
|
33
|
51
|
133
|
122
|
27
|
33
|
45
|
57
|
46
|
62
|
71
|
61
|
66
|
72
|
65
|
37
|
52
|
82
|
49
|
35
|
47
|
65
|
127
|
46
|
57
|
70
|
68
|
77
|
|
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
|
|
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