Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
69
O3
0.5
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Mar
36
Excellent
Mon
2 Mar
33
Excellent
Tue
3 Mar
42
Excellent
Wed
4 Mar
41
Excellent
Thu
5 Mar
35
Excellent
Fri
6 Mar
58
Good
Sat
7 Mar
39
Excellent
Air quality in the last 12 months (Hongkou)
|
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
|
|
2025/07
|
21
|
26
|
31
|
34
|
31
|
23
|
16
|
21
|
23
|
42
|
26
|
16
|
20
|
42
|
41
|
49
|
43
|
25
|
16
|
24
|
23
|
24
|
23
|
27
|
27
|
20
|
19
|
26
|
25
|
13
|
23
|
|
2025/06
|
17
|
16
|
34
|
59
|
42
|
43
|
37
|
19
|
21
|
23
|
26
|
15
|
16
|
33
|
15
|
25
|
57
|
50
|
39
|
25
|
25
|
13
|
11
|
22
|
37
|
45
|
36
|
41
|
27
|
17
|
|
|
2025/05
|
54
|
52
|
50
|
25
|
37
|
74
|
58
|
49
|
35
|
49
|
37
|
46
|
39
|
35
|
44
|
49
|
54
|
60
|
43
|
41
|
32
|
34
|
10
|
44
|
41
|
38
|
31
|
32
|
35
|
54
|
50
|
|
2025/04
|
42
|
64
|
43
|
39
|
64
|
69
|
59
|
64
|
75
|
80
|
66
|
71
|
87
|
70
|
54
|
59
|
63
|
57
|
57
|
44
|
39
|
62
|
63
|
83
|
48
|
34
|
38
|
42
|
38
|
44
|
|
|
2025/03
|
41
|
55
|
25
|
20
|
17
|
36
|
42
|
54
|
35
|
38
|
49
|
33
|
33
|
40
|
23
|
44
|
42
|
41
|
34
|
56
|
61
|
63
|
68
|
59
|
73
|
79
|
62
|
48
|
57
|
29
|
35
|
|
2025/02
|
28
|
56
|
72
|
61
|
56
|
34
|
53
|
35
|
40
|
49
|
28
|
74
|
34
|
33
|
60
|
115
|
56
|
39
|
44
|
26
|
33
|
58
|
53
|
73
|
78
|
130
|
132
|
61
|
|||
|
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