Air Quality
Excellent
No health implications.
17
PM2.5
21
PM10
31
O3
0.7
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
57
Good
Sun
5 May
80
Good
Mon
6 May
83
Good
Tue
7 May
61
Good
Wed
8 May
62
Good
Thu
9 May
101
Lightly
Air quality in the last 12 months (Wutongqiao)
|
2024/02
|
120
|
106
|
50
|
48
|
47
|
66
|
72
|
76
|
77
|
172
|
137
|
130
|
115
|
118
|
45
|
47
|
66
|
82
|
103
|
173
|
57
|
44
|
41
|
55
|
68
|
67
|
82
|
95
|
73
|
||
|
2024/01
|
256
|
137
|
116
|
113
|
138
|
135
|
115
|
151
|
104
|
119
|
162
|
147
|
162
|
175
|
142
|
111
|
67
|
79
|
92
|
49
|
33
|
39
|
46
|
51
|
61
|
85
|
77
|
86
|
123
|
139
|
136
|
|
2023/12
|
41
|
50
|
73
|
67
|
77
|
76
|
101
|
141
|
129
|
167
|
114
|
53
|
69
|
107
|
44
|
53
|
63
|
75
|
86
|
89
|
92
|
121
|
118
|
115
|
141
|
148
|
160
|
209
|
220
|
198
|
243
|
|
2023/11
|
77
|
75
|
64
|
39
|
47
|
44
|
67
|
72
|
80
|
84
|
64
|
23
|
25
|
29
|
36
|
47
|
68
|
83
|
80
|
109
|
101
|
66
|
84
|
112
|
110
|
48
|
73
|
94
|
84
|
58
|
|
|
2023/10
|
40
|
31
|
43
|
37
|
25
|
17
|
27
|
31
|
19
|
30
|
26
|
22
|
25
|
40
|
60
|
57
|
52
|
41
|
18
|
31
|
60
|
65
|
86
|
106
|
129
|
44
|
27
|
40
|
43
|
60
|
57
|
|
2023/09
|
43
|
45
|
57
|
66
|
69
|
82
|
73
|
59
|
60
|
29
|
25
|
24
|
38
|
45
|
57
|
60
|
60
|
38
|
40
|
28
|
20
|
27
|
20
|
19
|
25
|
26
|
50
|
54
|
35
|
44
|
|
|
2023/08
|
24
|
29
|
29
|
24
|
30
|
26
|
30
|
34
|
29
|
31
|
32
|
29
|
33
|
41
|
51
|
51
|
43
|
43
|
49
|
34
|
35
|
38
|
53
|
22
|
25
|
20
|
31
|
38
|
45
|
38
|
41
|
|
2023/07
|
43
|
54
|
30
|
29
|
46
|
63
|
58
|
49
|
53
|
57
|
52
|
25
|
19
|
34
|
52
|
45
|
63
|
63
|
41
|
36
|
40
|
36
|
44
|
31
|
33
|
19
|
18
|
24
|
37
|
38
|
30
|
|
2023/06
|
25
|
22
|
20
|
20
|
27
|
38
|
41
|
38
|
40
|
43
|
36
|
45
|
47
|
43
|
28
|
27
|
36
|
40
|
39
|
47
|
28
|
32
|
39
|
49
|
54
|
54
|
58
|
37
|
38
|
34
|
|
|
2023/05
|
88
|
61
|
76
|
68
|
40
|
43
|
34
|
16
|
18
|
19
|
23
|
44
|
50
|
61
|
61
|
73
|
73
|
37
|
42
|
46
|
29
|
28
|
41
|
54
|
57
|
40
|
37
|
47
|
59
|
65
|
66
|
|
2023/04
|
53
|
66
|
36
|
34
|
42
|
48
|
77
|
75
|
64
|
84
|
72
|
54
|
61
|
40
|
54
|
74
|
82
|
39
|
56
|
40
|
35
|
19
|
20
|
27
|
34
|
54
|
56
|
54
|
52
|
72
|
|
|
2023/03
|
72
|
72
|
62
|
79
|
74
|
84
|
89
|
61
|
57
|
58
|
60
|
34
|
36
|
57
|
82
|
80
|
56
|
54
|
60
|
52
|
63
|
55
|
31
|
25
|
27
|
44
|
22
|
39
|
36
|
49
|
47
|
|
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