Air Quality
Excellent
No health implications.
2
PM2.5
8
PM10
52
O3
0.4
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
184
Moderate
Sat
20 Dec
73
Good
Sun
21 Dec
65
Good
Mon
22 Dec
101
Light
Tue
23 Dec
80
Good
Wed
24 Dec
72
Good
Thu
25 Dec
39
Excellent
Hongqiao Air quality rank
Air quality in the last 12 months (Hongqiao)
|
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
|
|
|
2025/08
|
50
|
42
|
32
|
33
|
37
|
54
|
31
|
27
|
33
|
34
|
36
|
39
|
27
|
40
|
45
|
20
|
36
|
27
|
29
|
31
|
20
|
25
|
33
|
20
|
25
|
41
|
40
|
12
|
46
|
20
|
32
|
|
2025/07
|
32
|
33
|
23
|
43
|
32
|
18
|
33
|
32
|
48
|
52
|
56
|
51
|
27
|
31
|
37
|
26
|
28
|
47
|
31
|
39
|
40
|
38
|
23
|
33
|
40
|
38
|
40
|
43
|
15
|
27
|
38
|
|
2025/06
|
72
|
47
|
22
|
28
|
55
|
66
|
53
|
47
|
52
|
37
|
52
|
70
|
70
|
55
|
22
|
16
|
46
|
56
|
35
|
33
|
43
|
46
|
57
|
64
|
50
|
58
|
49
|
56
|
70
|
30
|
|
|
2025/05
|
35
|
54
|
28
|
54
|
67
|
36
|
62
|
82
|
35
|
27
|
61
|
64
|
68
|
41
|
29
|
79
|
41
|
57
|
82
|
94
|
71
|
75
|
60
|
46
|
57
|
76
|
70
|
64
|
65
|
67
|
69
|
|
2025/04
|
56
|
21
|
55
|
72
|
26
|
76
|
67
|
50
|
57
|
75
|
102
|
129
|
74
|
52
|
63
|
98
|
71
|
50
|
46
|
66
|
94
|
37
|
62
|
35
|
59
|
85
|
49
|
55
|
56
|
66
|
|
|
2025/03
|
206
|
70
|
35
|
56
|
81
|
36
|
55
|
127
|
128
|
119
|
136
|
88
|
105
|
65
|
52
|
25
|
35
|
30
|
54
|
50
|
42
|
65
|
120
|
96
|
59
|
93
|
61
|
47
|
25
|
52
|
68
|
|
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
|
|
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