Air Quality
Excellent
No health implications.
13
PM2.5
18
PM10
31
O3
0.5
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Nov
50
Excellent
Sun
9 Nov
43
Excellent
Mon
10 Nov
37
Excellent
Tue
11 Nov
40
Excellent
Wed
12 Nov
38
Excellent
Thu
13 Nov
47
Excellent
Fri
14 Nov
27
Excellent
Air quality in the last 12 months (Putuo)
|
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
|
|
2025/02
|
17
|
37
|
52
|
59
|
46
|
37
|
45
|
38
|
34
|
33
|
24
|
60
|
38
|
21
|
41
|
80
|
55
|
31
|
38
|
33
|
28
|
31
|
41
|
62
|
40
|
109
|
53
|
16
|
|||
|
2025/01
|
42
|
23
|
42
|
29
|
44
|
84
|
61
|
62
|
40
|
30
|
44
|
63
|
69
|
51
|
52
|
46
|
61
|
52
|
68
|
123
|
99
|
24
|
24
|
27
|
32
|
24
|
50
|
34
|
69
|
39
|
27
|
|
2024/12
|
38
|
43
|
54
|
34
|
28
|
78
|
85
|
25
|
18
|
24
|
21
|
34
|
39
|
66
|
53
|
51
|
55
|
51
|
27
|
41
|
73
|
40
|
24
|
27
|
37
|
82
|
35
|
52
|
42
|
45
|
68
|
|
2024/11
|
12
|
28
|
42
|
34
|
27
|
14
|
18
|
21
|
19
|
8
|
20
|
21
|
31
|
23
|
12
|
10
|
22
|
24
|
21
|
21
|
24
|
50
|
17
|
17
|
31
|
26
|
36
|
57
|
42
|
42
|
|
|
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