Air Quality
Excellent
No health implications.
16
PM2.5
26
PM10
96
O3
0.2
CO
7
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
50
Excellent
Mon
23 Mar
58
Good
Tue
24 Mar
59
Good
Wed
25 Mar
62
Good
Thu
26 Mar
61
Good
Fri
27 Mar
63
Good
Sat
28 Mar
28
Excellent
Air quality in the last 12 months (Putuo)
|
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
|
|
2025/06
|
20
|
18
|
13
|
27
|
20
|
24
|
22
|
22
|
30
|
18
|
12
|
8
|
13
|
22
|
17
|
12
|
29
|
22
|
18
|
13
|
23
|
16
|
22
|
17
|
14
|
20
|
21
|
16
|
9
|
10
|
|
|
2025/05
|
41
|
45
|
46
|
21
|
27
|
55
|
47
|
50
|
35
|
41
|
34
|
32
|
26
|
15
|
15
|
17
|
34
|
41
|
22
|
20
|
17
|
17
|
15
|
32
|
33
|
27
|
25
|
25
|
21
|
37
|
37
|
|
2025/04
|
33
|
37
|
38
|
19
|
37
|
42
|
44
|
52
|
28
|
44
|
29
|
80
|
106
|
77
|
54
|
51
|
60
|
40
|
18
|
31
|
19
|
44
|
29
|
55
|
45
|
24
|
23
|
26
|
28
|
22
|
|
|
2025/03
|
21
|
23
|
26
|
12
|
10
|
24
|
35
|
47
|
24
|
31
|
22
|
19
|
29
|
37
|
13
|
38
|
38
|
48
|
35
|
36
|
48
|
46
|
46
|
54
|
49
|
35
|
47
|
45
|
53
|
39
|
25
|
|
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