Air Quality
Excellent
No health implications.
11
PM2.5
20
PM10
61
O3
0.4
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
39
Excellent
Thu
29 Jan
38
Excellent
Fri
30 Jan
42
Excellent
Sat
31 Jan
42
Excellent
Sun
1 Feb
41
Excellent
Mon
2 Feb
44
Excellent
Tue
3 Feb
20
Excellent
Air quality in the last 12 months (Putuo)
|
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
|
|
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
|
|
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