Air Quality
Excellent
No health implications.
12
PM2.5
45
PM10
152
O3
0.4
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
74
Good
Fri
3 May
80
Good
Sat
4 May
55
Good
Sun
5 May
55
Good
Mon
6 May
89
Good
Tue
7 May
89
Good
Wed
8 May
92
Good
Air quality in the last 12 months (Yongqiao)
|
2024/02
|
37
|
47
|
64
|
61
|
75
|
116
|
150
|
192
|
179
|
240
|
195
|
78
|
59
|
71
|
50
|
43
|
51
|
54
|
69
|
27
|
37
|
40
|
45
|
91
|
137
|
98
|
68
|
78
|
64
|
||
|
2024/01
|
176
|
134
|
156
|
74
|
121
|
155
|
58
|
67
|
135
|
152
|
161
|
156
|
241
|
213
|
52
|
48
|
57
|
89
|
70
|
72
|
84
|
34
|
44
|
72
|
87
|
91
|
92
|
123
|
136
|
161
|
103
|
|
2023/12
|
75
|
85
|
115
|
118
|
93
|
140
|
101
|
73
|
115
|
62
|
44
|
68
|
61
|
46
|
62
|
62
|
40
|
46
|
75
|
66
|
54
|
59
|
67
|
99
|
117
|
111
|
212
|
222
|
92
|
182
|
216
|
|
2023/11
|
69
|
69
|
117
|
72
|
46
|
52
|
66
|
84
|
136
|
43
|
52
|
71
|
54
|
73
|
128
|
106
|
78
|
75
|
83
|
133
|
104
|
124
|
144
|
54
|
51
|
85
|
94
|
96
|
74
|
52
|
|
|
2023/10
|
53
|
45
|
41
|
57
|
59
|
58
|
43
|
56
|
54
|
59
|
69
|
86
|
94
|
95
|
114
|
121
|
108
|
91
|
95
|
46
|
71
|
93
|
104
|
131
|
103
|
97
|
99
|
103
|
92
|
86
|
87
|
|
2023/09
|
53
|
72
|
58
|
51
|
42
|
47
|
55
|
60
|
61
|
61
|
60
|
63
|
43
|
45
|
51
|
49
|
61
|
57
|
55
|
38
|
38
|
46
|
51
|
44
|
43
|
73
|
76
|
76
|
60
|
62
|
|
|
2023/08
|
29
|
34
|
39
|
43
|
49
|
36
|
37
|
54
|
52
|
75
|
67
|
62
|
35
|
43
|
43
|
44
|
49
|
52
|
46
|
42
|
43
|
51
|
80
|
62
|
72
|
51
|
32
|
35
|
45
|
58
|
55
|
|
2023/07
|
62
|
37
|
27
|
30
|
43
|
46
|
28
|
46
|
36
|
36
|
34
|
45
|
44
|
51
|
62
|
55
|
52
|
31
|
23
|
26
|
28
|
37
|
39
|
48
|
43
|
33
|
31
|
22
|
22
|
20
|
32
|
|
2023/06
|
61
|
83
|
78
|
56
|
37
|
45
|
62
|
60
|
70
|
85
|
64
|
51
|
68
|
73
|
76
|
87
|
51
|
22
|
24
|
45
|
69
|
74
|
68
|
48
|
26
|
28
|
53
|
42
|
30
|
53
|
|
|
2023/05
|
89
|
72
|
43
|
27
|
36
|
61
|
52
|
55
|
58
|
51
|
53
|
55
|
63
|
68
|
65
|
70
|
55
|
48
|
48
|
70
|
116
|
81
|
58
|
55
|
55
|
68
|
62
|
41
|
23
|
41
|
66
|
|
2023/04
|
68
|
71
|
48
|
30
|
29
|
51
|
59
|
66
|
68
|
71
|
308
|
353
|
128
|
83
|
130
|
78
|
84
|
95
|
67
|
82
|
72
|
64
|
42
|
48
|
53
|
51
|
58
|
55
|
110
|
95
|
|
|
2023/03
|
122
|
79
|
94
|
110
|
125
|
85
|
73
|
93
|
99
|
81
|
87
|
100
|
82
|
78
|
276
|
108
|
33
|
59
|
72
|
79
|
111
|
92
|
351
|
143
|
96
|
109
|
110
|
102
|
85
|
73
|
79
|
|
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