Air Quality
Excellent
No health implications.
8
PM2.5
9
PM10
26
O3
0.4
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
42
Excellent
Sun
16 Aug
64
Good
Mon
17 Aug
74
Good
Tue
18 Aug
57
Good
Wed
19 Aug
55
Good
Thu
20 Aug
15
Excellent
Fri
21 Aug
17
Excellent
Air quality in the last 12 months (Hongkou)
|
2026/07
|
27
|
39
|
31
|
25
|
18
|
29
|
44
|
38
|
24
|
26
|
43
|
33
|
29
|
34
|
38
|
39
|
44
|
38
|
32
|
36
|
26
|
30
|
47
|
42
|
21
|
27
|
24
|
20
|
28
|
48
|
53
|
|
2026/06
|
45
|
42
|
60
|
50
|
39
|
29
|
32
|
30
|
30
|
35
|
55
|
42
|
36
|
33
|
25
|
25
|
43
|
37
|
24
|
23
|
32
|
20
|
24
|
20
|
21
|
31
|
39
|
50
|
28
|
26
|
|
|
2026/05
|
51
|
47
|
50
|
45
|
45
|
36
|
49
|
29
|
29
|
37
|
40
|
44
|
36
|
26
|
34
|
31
|
35
|
33
|
37
|
41
|
47
|
37
|
57
|
19
|
31
|
34
|
40
|
48
|
43
|
42
|
45
|
|
2026/04
|
76
|
73
|
38
|
61
|
62
|
64
|
31
|
38
|
36
|
61
|
57
|
29
|
31
|
42
|
41
|
37
|
45
|
30
|
35
|
36
|
83
|
27
|
31
|
48
|
46
|
50
|
62
|
47
|
28
|
43
|
|
|
2026/03
|
25
|
21
|
31
|
24
|
38
|
45
|
35
|
27
|
36
|
28
|
33
|
40
|
58
|
43
|
31
|
43
|
59
|
42
|
37
|
36
|
36
|
49
|
35
|
38
|
50
|
40
|
41
|
45
|
56
|
51
|
41
|
|
2026/02
|
67
|
96
|
46
|
55
|
96
|
57
|
32
|
40
|
33
|
43
|
100
|
108
|
81
|
82
|
103
|
33
|
48
|
89
|
85
|
61
|
42
|
87
|
63
|
19
|
40
|
27
|
19
|
35
|
|||
|
2026/01
|
20
|
32
|
53
|
62
|
110
|
111
|
69
|
93
|
84
|
82
|
61
|
63
|
85
|
83
|
99
|
171
|
96
|
44
|
31
|
22
|
40
|
46
|
70
|
87
|
52
|
26
|
56
|
36
|
40
|
35
|
17
|
|
2025/12
|
93
|
48
|
36
|
34
|
54
|
72
|
95
|
71
|
48
|
43
|
82
|
24
|
33
|
62
|
67
|
69
|
110
|
46
|
45
|
108
|
24
|
25
|
50
|
49
|
39
|
24
|
41
|
79
|
91
|
84
|
32
|
|
2025/11
|
116
|
106
|
15
|
25
|
30
|
40
|
35
|
38
|
25
|
38
|
22
|
35
|
29
|
60
|
47
|
39
|
36
|
38
|
55
|
66
|
80
|
128
|
117
|
102
|
86
|
57
|
152
|
141
|
102
|
86
|
|
|
2025/10
|
41
|
27
|
40
|
24
|
28
|
33
|
36
|
15
|
20
|
34
|
41
|
44
|
63
|
40
|
30
|
26
|
20
|
20
|
26
|
31
|
29
|
28
|
28
|
29
|
32
|
37
|
40
|
19
|
24
|
32
|
29
|
|
2025/09
|
32
|
28
|
25
|
28
|
30
|
29
|
50
|
21
|
25
|
25
|
31
|
40
|
42
|
37
|
37
|
27
|
31
|
27
|
28
|
24
|
23
|
22
|
28
|
24
|
24
|
26
|
31
|
35
|
21
|
30
|
|
|
2025/08
|
38
|
38
|
32
|
31
|
33
|
24
|
26
|
32
|
37
|
38
|
43
|
39
|
25
|
25
|
20
|
32
|
35
|
18
|
23
|
31
|
49
|
44
|
39
|
31
|
30
|
34
|
18
|
18
|
19
|
18
|
25
|
|
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