Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
34
O3
0.6
CO
6
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Jul
47
Excellent
Sat
25 Jul
40
Excellent
Sun
26 Jul
40
Excellent
Mon
27 Jul
40
Excellent
Tue
28 Jul
39
Excellent
Wed
29 Jul
38
Excellent
Thu
30 Jul
16
Excellent
Air quality in the last 12 months (Putuo)
|
2026/06
|
31
|
27
|
35
|
50
|
33
|
33
|
29
|
29
|
29
|
34
|
34
|
26
|
33
|
35
|
26
|
25
|
31
|
22
|
19
|
25
|
26
|
22
|
24
|
20
|
24
|
27
|
27
|
36
|
28
|
18
|
|
|
2026/05
|
46
|
40
|
32
|
29
|
29
|
31
|
31
|
33
|
26
|
31
|
25
|
25
|
21
|
21
|
24
|
26
|
27
|
25
|
22
|
30
|
44
|
29
|
32
|
27
|
36
|
52
|
37
|
48
|
40
|
41
|
44
|
|
2026/04
|
45
|
55
|
50
|
49
|
52
|
35
|
36
|
38
|
43
|
59
|
60
|
38
|
33
|
50
|
43
|
31
|
42
|
30
|
37
|
30
|
63
|
30
|
28
|
34
|
34
|
33
|
36
|
42
|
31
|
40
|
|
|
2026/03
|
31
|
31
|
25
|
27
|
33
|
40
|
33
|
28
|
33
|
29
|
28
|
43
|
51
|
38
|
28
|
33
|
48
|
44
|
38
|
28
|
31
|
31
|
30
|
34
|
50
|
29
|
30
|
42
|
67
|
39
|
38
|
|
2026/02
|
58
|
83
|
49
|
20
|
40
|
59
|
29
|
51
|
22
|
35
|
93
|
94
|
40
|
41
|
43
|
34
|
32
|
61
|
81
|
58
|
34
|
62
|
64
|
38
|
29
|
24
|
18
|
36
|
|||
|
2026/01
|
16
|
25
|
40
|
35
|
66
|
95
|
54
|
66
|
64
|
57
|
61
|
46
|
58
|
47
|
44
|
87
|
50
|
47
|
37
|
17
|
22
|
25
|
41
|
82
|
41
|
31
|
31
|
27
|
26
|
32
|
11
|
|
2025/12
|
61
|
49
|
39
|
22
|
24
|
35
|
34
|
45
|
32
|
21
|
43
|
28
|
25
|
47
|
52
|
33
|
71
|
31
|
25
|
50
|
32
|
20
|
29
|
34
|
31
|
23
|
19
|
34
|
32
|
58
|
25
|
|
2025/11
|
61
|
54
|
16
|
15
|
17
|
21
|
23
|
29
|
14
|
36
|
17
|
16
|
17
|
40
|
31
|
25
|
24
|
24
|
41
|
47
|
65
|
84
|
43
|
49
|
80
|
52
|
101
|
139
|
79
|
52
|
|
|
2025/10
|
15
|
15
|
10
|
13
|
11
|
15
|
22
|
13
|
14
|
21
|
23
|
26
|
20
|
39
|
20
|
12
|
13
|
19
|
20
|
28
|
23
|
24
|
22
|
25
|
38
|
41
|
28
|
15
|
13
|
16
|
14
|
|
2025/09
|
13
|
11
|
9
|
10
|
10
|
11
|
11
|
10
|
21
|
14
|
23
|
21
|
21
|
24
|
13
|
10
|
11
|
18
|
16
|
12
|
16
|
17
|
17
|
16
|
13
|
13
|
14
|
14
|
23
|
13
|
|
|
2025/08
|
30
|
28
|
32
|
33
|
21
|
28
|
40
|
42
|
39
|
36
|
30
|
19
|
16
|
15
|
11
|
21
|
23
|
10
|
9
|
15
|
26
|
21
|
18
|
12
|
9
|
10
|
9
|
10
|
9
|
8
|
10
|
|
2025/07
|
14
|
13
|
17
|
17
|
13
|
8
|
9
|
17
|
18
|
22
|
14
|
11
|
12
|
34
|
28
|
33
|
27
|
20
|
19
|
24
|
21
|
18
|
19
|
20
|
22
|
15
|
13
|
19
|
21
|
7
|
27
|
|
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