Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
76
O3
0.7
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jun
41
Excellent
Sun
21 Jun
48
Excellent
Mon
22 Jun
46
Excellent
Tue
23 Jun
41
Excellent
Wed
24 Jun
42
Excellent
Thu
25 Jun
40
Excellent
Fri
26 Jun
47
Excellent
Air quality in the last 12 months (Putuo)
|
2026/05
|
46
|
40
|
32
|
29
|
29
|
31
|
31
|
33
|
26
|
31
|
25
|
25
|
21
|
21
|
24
|
26
|
27
|
25
|
22
|
30
|
44
|
29
|
32
|
27
|
36
|
52
|
37
|
48
|
40
|
41
|
44
|
|
2026/04
|
45
|
55
|
50
|
49
|
52
|
35
|
36
|
38
|
43
|
59
|
60
|
38
|
33
|
50
|
43
|
31
|
42
|
30
|
37
|
30
|
63
|
30
|
28
|
34
|
34
|
33
|
36
|
42
|
31
|
40
|
|
|
2026/03
|
31
|
31
|
25
|
27
|
33
|
40
|
33
|
28
|
33
|
29
|
28
|
43
|
51
|
38
|
28
|
33
|
48
|
44
|
38
|
28
|
31
|
31
|
30
|
34
|
50
|
29
|
30
|
42
|
67
|
39
|
38
|
|
2026/02
|
58
|
83
|
49
|
20
|
40
|
59
|
29
|
51
|
22
|
35
|
93
|
94
|
40
|
41
|
43
|
34
|
32
|
61
|
81
|
58
|
34
|
62
|
64
|
38
|
29
|
24
|
18
|
36
|
|||
|
2026/01
|
16
|
25
|
40
|
35
|
66
|
95
|
54
|
66
|
64
|
57
|
61
|
46
|
58
|
47
|
44
|
87
|
50
|
47
|
37
|
17
|
22
|
25
|
41
|
82
|
41
|
31
|
31
|
27
|
26
|
32
|
11
|
|
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
|
|
|
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