Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
41
O3
0.6
CO
13
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Oct
72
Good
Mon
26 Oct
76
Good
Tue
27 Oct
48
Excellent
Wed
28 Oct
70
Good
Thu
29 Oct
81
Good
Fri
30 Oct
47
Excellent
Sat
31 Oct
35
Excellent
Air quality in the last 12 months (Hongqiao)
|
2026/08
|
35
|
33
|
35
|
40
|
52
|
64
|
59
|
35
|
50
|
60
|
33
|
26
|
25
|
33
|
54
|
39
|
38
|
53
|
56
|
61
|
42
|
31
|
32
|
47
|
39
|
30
|
42
|
26
|
37
|
40
|
38
|
|
2026/07
|
59
|
80
|
84
|
73
|
55
|
59
|
51
|
64
|
57
|
38
|
41
|
33
|
30
|
36
|
63
|
55
|
48
|
46
|
63
|
53
|
52
|
42
|
45
|
47
|
42
|
41
|
55
|
51
|
31
|
30
|
32
|
|
2026/06
|
93
|
94
|
57
|
35
|
32
|
30
|
23
|
46
|
32
|
46
|
37
|
75
|
66
|
60
|
72
|
51
|
54
|
87
|
65
|
36
|
35
|
66
|
65
|
56
|
37
|
53
|
63
|
88
|
61
|
51
|
|
|
2026/05
|
65
|
53
|
28
|
50
|
64
|
72
|
43
|
62
|
84
|
64
|
77
|
68
|
81
|
73
|
61
|
54
|
46
|
26
|
36
|
28
|
48
|
47
|
42
|
75
|
36
|
36
|
54
|
34
|
53
|
67
|
75
|
|
2026/04
|
75
|
77
|
87
|
64
|
44
|
28
|
37
|
62
|
65
|
65
|
70
|
101
|
81
|
82
|
102
|
97
|
76
|
97
|
80
|
95
|
67
|
33
|
54
|
54
|
59
|
51
|
47
|
37
|
46
|
53
|
|
|
2026/03
|
62
|
124
|
142
|
105
|
63
|
66
|
56
|
99
|
33
|
113
|
122
|
79
|
85
|
67
|
54
|
68
|
160
|
43
|
54
|
57
|
94
|
101
|
105
|
147
|
133
|
195
|
81
|
75
|
164
|
31
|
46
|
|
2026/02
|
131
|
31
|
126
|
160
|
84
|
43
|
38
|
39
|
93
|
86
|
100
|
106
|
156
|
117
|
21
|
31
|
140
|
43
|
64
|
71
|
172
|
47
|
43
|
76
|
72
|
56
|
48
|
56
|
|||
|
2026/01
|
50
|
76
|
135
|
196
|
128
|
157
|
17
|
74
|
100
|
35
|
34
|
81
|
47
|
68
|
132
|
80
|
42
|
50
|
27
|
26
|
34
|
95
|
96
|
152
|
64
|
66
|
76
|
57
|
70
|
65
|
64
|
|
2025/12
|
48
|
22
|
41
|
40
|
66
|
150
|
90
|
23
|
85
|
136
|
69
|
36
|
47
|
89
|
137
|
119
|
129
|
181
|
222
|
16
|
28
|
60
|
49
|
35
|
25
|
57
|
97
|
205
|
50
|
44
|
25
|
|
2025/11
|
59
|
16
|
47
|
123
|
167
|
131
|
50
|
83
|
48
|
85
|
144
|
165
|
28
|
91
|
133
|
45
|
24
|
48
|
71
|
37
|
86
|
98
|
118
|
71
|
31
|
82
|
32
|
103
|
133
|
124
|
|
|
2025/10
|
72
|
45
|
36
|
58
|
39
|
16
|
55
|
32
|
11
|
15
|
22
|
49
|
61
|
50
|
76
|
53
|
36
|
16
|
23
|
25
|
44
|
67
|
75
|
102
|
135
|
58
|
49
|
165
|
191
|
143
|
68
|
|
2025/09
|
41
|
43
|
49
|
56
|
53
|
29
|
46
|
46
|
48
|
40
|
61
|
73
|
61
|
53
|
58
|
32
|
26
|
36
|
44
|
50
|
65
|
37
|
49
|
52
|
62
|
56
|
59
|
56
|
64
|
81
|
|
|
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