Air Quality
Excellent
No health implications.
26
PM2.5
29
PM10
54
O3
0.3
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
41
Excellent
Mon
22 Jun
43
Excellent
Tue
23 Jun
41
Excellent
Wed
24 Jun
44
Excellent
Thu
25 Jun
48
Excellent
Fri
26 Jun
58
Good
Sat
27 Jun
39
Excellent
Air quality in the last 12 months (Putuo)
|
2026/05
|
57
|
51
|
48
|
50
|
47
|
41
|
57
|
31
|
31
|
38
|
45
|
49
|
38
|
25
|
34
|
31
|
34
|
34
|
38
|
42
|
46
|
38
|
58
|
22
|
33
|
34
|
41
|
48
|
44
|
45
|
44
|
|
2026/04
|
69
|
71
|
41
|
62
|
61
|
65
|
32
|
38
|
38
|
63
|
51
|
32
|
31
|
40
|
40
|
35
|
45
|
34
|
34
|
37
|
80
|
26
|
32
|
50
|
47
|
54
|
66
|
50
|
32
|
46
|
|
|
2026/03
|
24
|
23
|
32
|
24
|
40
|
50
|
35
|
27
|
41
|
27
|
35
|
41
|
60
|
43
|
31
|
41
|
61
|
43
|
41
|
39
|
35
|
48
|
37
|
43
|
67
|
35
|
41
|
46
|
55
|
44
|
45
|
|
2026/02
|
70
|
94
|
49
|
53
|
94
|
57
|
34
|
43
|
33
|
43
|
98
|
100
|
79
|
78
|
92
|
34
|
53
|
87
|
89
|
62
|
42
|
101
|
64
|
22
|
39
|
24
|
20
|
36
|
|||
|
2026/01
|
19
|
35
|
55
|
64
|
117
|
123
|
74
|
99
|
87
|
90
|
62
|
63
|
83
|
82
|
97
|
162
|
100
|
44
|
29
|
22
|
42
|
46
|
69
|
95
|
54
|
25
|
61
|
38
|
37
|
37
|
22
|
|
2025/12
|
103
|
50
|
38
|
34
|
54
|
69
|
97
|
76
|
47
|
36
|
83
|
24
|
34
|
61
|
64
|
60
|
110
|
47
|
41
|
108
|
28
|
25
|
44
|
51
|
41
|
25
|
37
|
77
|
91
|
87
|
28
|
|
2025/11
|
130
|
121
|
14
|
26
|
31
|
41
|
31
|
41
|
27
|
39
|
19
|
33
|
31
|
65
|
45
|
33
|
37
|
38
|
56
|
65
|
80
|
126
|
121
|
111
|
89
|
58
|
164
|
150
|
99
|
80
|
|
|
2025/10
|
50
|
24
|
40
|
29
|
25
|
30
|
41
|
15
|
19
|
32
|
40
|
44
|
69
|
40
|
30
|
29
|
19
|
21
|
27
|
31
|
28
|
28
|
30
|
30
|
31
|
38
|
44
|
18
|
25
|
29
|
26
|
|
2025/09
|
30
|
29
|
25
|
26
|
28
|
28
|
50
|
22
|
25
|
26
|
31
|
36
|
43
|
40
|
35
|
28
|
31
|
26
|
26
|
25
|
22
|
22
|
25
|
23
|
23
|
24
|
36
|
40
|
22
|
33
|
|
|
2025/08
|
36
|
37
|
31
|
35
|
33
|
25
|
26
|
30
|
37
|
38
|
39
|
35
|
21
|
20
|
18
|
28
|
28
|
16
|
22
|
30
|
47
|
42
|
40
|
31
|
29
|
36
|
16
|
17
|
19
|
17
|
27
|
|
2025/07
|
20
|
28
|
32
|
33
|
31
|
23
|
16
|
19
|
21
|
42
|
26
|
18
|
22
|
47
|
44
|
50
|
47
|
29
|
15
|
23
|
24
|
23
|
23
|
24
|
26
|
22
|
18
|
23
|
23
|
11
|
23
|
|
2025/06
|
15
|
16
|
38
|
69
|
41
|
43
|
40
|
22
|
23
|
28
|
28
|
15
|
15
|
32
|
15
|
26
|
55
|
51
|
39
|
23
|
26
|
13
|
13
|
27
|
47
|
41
|
36
|
38
|
24
|
17
|
|
|
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