Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
121
O3
0.7
CO
1
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
94
Good
Tue
15 Jul
96
Good
Wed
16 Jul
87
Good
Thu
17 Jul
62
Good
Fri
18 Jul
55
Good
Sat
19 Jul
38
Excellent
Sun
20 Jul
43
Excellent
Air quality in the last 12 months (Putuo)
|
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
|
|
|
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
|
|
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