Air Quality
Excellent
No health implications.
15
PM2.5
25
PM10
156
O3
0.6
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
88
Good
Sun
1 Jun
90
Good
Mon
2 Jun
39
Excellent
Tue
3 Jun
47
Excellent
Wed
4 Jun
60
Good
Thu
5 Jun
60
Good
Fri
6 Jun
36
Excellent
Air quality in the last 12 months (Putuo)
|
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
|
|
|
2024/10
|
14
|
22
|
20
|
15
|
13
|
10
|
7
|
18
|
21
|
39
|
36
|
20
|
14
|
17
|
44
|
28
|
23
|
24
|
24
|
27
|
31
|
29
|
23
|
20
|
23
|
10
|
13
|
27
|
17
|
21
|
18
|
|
2024/09
|
15
|
18
|
18
|
18
|
17
|
32
|
33
|
22
|
20
|
21
|
13
|
20
|
13
|
17
|
21
|
14
|
17
|
21
|
22
|
15
|
12
|
15
|
19
|
12
|
24
|
28
|
25
|
26
|
26
|
22
|
|
|
2024/08
|
23
|
36
|
34
|
30
|
18
|
28
|
29
|
19
|
17
|
21
|
29
|
39
|
38
|
21
|
32
|
26
|
26
|
14
|
13
|
16
|
20
|
22
|
22
|
25
|
17
|
15
|
24
|
19
|
20
|
21
|
19
|
|
2024/07
|
27
|
28
|
26
|
22
|
26
|
18
|
21
|
22
|
21
|
31
|
36
|
29
|
28
|
28
|
16
|
13
|
17
|
26
|
24
|
18
|
17
|
16
|
14
|
22
|
31
|
34
|
29
|
22
|
13
|
11
|
15
|
|
2024/06
|
27
|
13
|
23
|
46
|
20
|
11
|
9
|
16
|
27
|
14
|
9
|
20
|
22
|
12
|
20
|
23
|
13
|
14
|
15
|
22
|
38
|
33
|
31
|
29
|
28
|
17
|
28
|
19
|
19
|
21
|
|
|
2024/05
|
26
|
30
|
23
|
22
|
34
|
35
|
42
|
30
|
14
|
18
|
21
|
41
|
52
|
28
|
37
|
24
|
20
|
26
|
24
|
18
|
19
|
23
|
20
|
17
|
16
|
23
|
18
|
40
|
28
|
20
|
16
|
|
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