Air Quality
Excellent
No health implications.
16
PM2.5
30
PM10
88
O3
0.5
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
48
Excellent
Tue
21 Jul
47
Excellent
Wed
22 Jul
42
Excellent
Thu
23 Jul
43
Excellent
Fri
24 Jul
50
Excellent
Sat
25 Jul
51
Good
Sun
26 Jul
37
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