Air Quality
Excellent
No health implications.
13
PM2.5
27
PM10
67
O3
0.6
CO
5
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jan
41
Excellent
Thu
23 Jan
41
Excellent
Fri
24 Jan
41
Excellent
Sat
25 Jan
40
Excellent
Sun
26 Jan
39
Excellent
Mon
27 Jan
39
Excellent
Tue
28 Jan
31
Excellent
Air quality in the last 12 months (Putuo)
|
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
|
|
2024/04
|
21
|
24
|
33
|
32
|
46
|
35
|
36
|
25
|
50
|
40
|
40
|
24
|
13
|
13
|
39
|
22
|
13
|
54
|
97
|
55
|
23
|
12
|
16
|
42
|
39
|
26
|
16
|
17
|
23
|
14
|
|
|
2024/03
|
37
|
53
|
54
|
33
|
28
|
36
|
37
|
75
|
58
|
38
|
49
|
68
|
39
|
36
|
27
|
25
|
39
|
57
|
57
|
97
|
75
|
50
|
47
|
39
|
43
|
25
|
19
|
32
|
34
|
36
|
48
|
|
2024/02
|
27
|
22
|
21
|
21
|
37
|
60
|
38
|
38
|
115
|
132
|
77
|
89
|
40
|
41
|
35
|
27
|
25
|
32
|
39
|
19
|
19
|
19
|
30
|
27
|
66
|
49
|
53
|
29
|
19
|
||
|
2024/01
|
60
|
44
|
83
|
103
|
55
|
107
|
67
|
20
|
58
|
114
|
97
|
84
|
74
|
68
|
34
|
25
|
24
|
46
|
24
|
28
|
46
|
31
|
38
|
44
|
52
|
90
|
107
|
106
|
88
|
33
|
24
|
|
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