Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
52
*
PM10
144
O3
0.5
CO
8
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 May
70
Good
Mon
5 May
76
Good
Tue
6 May
49
Excellent
Wed
7 May
72
Good
Thu
8 May
76
Good
Fri
9 May
50
Excellent
Sat
10 May
48
Excellent
Air quality in the last 12 months (Hongqiao)
|
2025/02
|
64
|
61
|
15
|
21
|
29
|
61
|
33
|
21
|
41
|
93
|
125
|
81
|
133
|
103
|
124
|
39
|
21
|
50
|
43
|
48
|
41
|
48
|
29
|
68
|
64
|
72
|
140
|
199
|
|||
|
2025/01
|
102
|
35
|
54
|
117
|
98
|
28
|
25
|
17
|
23
|
34
|
43
|
46
|
75
|
51
|
39
|
55
|
73
|
142
|
76
|
80
|
96
|
54
|
64
|
91
|
134
|
104
|
28
|
58
|
331
|
68
|
54
|
|
2024/12
|
128
|
13
|
55
|
67
|
101
|
33
|
17
|
35
|
114
|
74
|
51
|
67
|
47
|
38
|
53
|
55
|
41
|
19
|
58
|
62
|
20
|
33
|
80
|
90
|
105
|
33
|
38
|
66
|
82
|
93
|
56
|
|
2024/11
|
89
|
122
|
68
|
20
|
61
|
84
|
79
|
81
|
97
|
94
|
71
|
111
|
58
|
34
|
66
|
45
|
38
|
47
|
62
|
94
|
45
|
37
|
45
|
74
|
38
|
12
|
24
|
28
|
56
|
69
|
|
|
2024/10
|
13
|
22
|
49
|
59
|
69
|
70
|
32
|
56
|
97
|
35
|
79
|
112
|
131
|
172
|
87
|
46
|
84
|
39
|
14
|
38
|
57
|
42
|
66
|
127
|
140
|
201
|
101
|
65
|
114
|
118
|
138
|
|
2024/09
|
31
|
18
|
40
|
52
|
34
|
34
|
35
|
49
|
73
|
19
|
21
|
35
|
48
|
48
|
35
|
45
|
66
|
38
|
49
|
24
|
11
|
19
|
43
|
60
|
79
|
34
|
32
|
58
|
50
|
9
|
|
|
2024/08
|
40
|
52
|
42
|
23
|
16
|
44
|
45
|
48
|
43
|
57
|
55
|
26
|
23
|
34
|
40
|
49
|
51
|
33
|
27
|
17
|
22
|
36
|
41
|
35
|
45
|
23
|
22
|
41
|
44
|
40
|
42
|
|
2024/07
|
45
|
51
|
41
|
71
|
58
|
27
|
62
|
25
|
60
|
62
|
64
|
65
|
80
|
82
|
42
|
58
|
31
|
28
|
37
|
44
|
38
|
36
|
46
|
46
|
24
|
25
|
29
|
27
|
32
|
16
|
27
|
|
2024/06
|
38
|
53
|
47
|
51
|
66
|
64
|
61
|
40
|
83
|
89
|
81
|
64
|
74
|
42
|
47
|
44
|
44
|
53
|
54
|
46
|
75
|
120
|
84
|
44
|
55
|
66
|
55
|
58
|
61
|
47
|
|
|
2024/05
|
52
|
59
|
64
|
59
|
67
|
73
|
71
|
72
|
75
|
77
|
176
|
47
|
75
|
87
|
32
|
57
|
71
|
85
|
54
|
29
|
37
|
76
|
64
|
32
|
38
|
28
|
41
|
45
|
62
|
60
|
26
|
|
2024/04
|
71
|
66
|
61
|
54
|
70
|
83
|
87
|
88
|
55
|
75
|
147
|
64
|
75
|
58
|
103
|
58
|
83
|
101
|
67
|
64
|
77
|
79
|
29
|
54
|
98
|
92
|
84
|
39
|
41
|
35
|
|
|
2024/03
|
34
|
100
|
69
|
70
|
74
|
114
|
96
|
23
|
65
|
115
|
162
|
110
|
89
|
128
|
92
|
151
|
58
|
93
|
111
|
61
|
78
|
69
|
108
|
73
|
82
|
73
|
96
|
212
|
125
|
76
|
83
|
|
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