Air Quality
Excellent
No health implications.
3
PM2.5
10
PM10
46
O3
0.3
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
47
Excellent
Sun
13 Jul
70
Good
Mon
14 Jul
98
Good
Tue
15 Jul
126
Light
Wed
16 Jul
105
Light
Thu
17 Jul
99
Good
Fri
18 Jul
32
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