Air Quality
Excellent
No health implications.
14
PM2.5
25
PM10
117
O3
0.4
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
46
Excellent
Thu
2 May
51
Good
Fri
3 May
45
Excellent
Sat
4 May
57
Good
Sun
5 May
61
Good
Mon
6 May
75
Good
Tue
7 May
75
Good
Air quality in the last 12 months (Songzi)
|
2024/02
|
75
|
42
|
51
|
69
|
94
|
97
|
96
|
103
|
124
|
155
|
125
|
89
|
66
|
66
|
63
|
63
|
51
|
55
|
193
|
17
|
22
|
27
|
34
|
50
|
78
|
94
|
80
|
95
|
71
|
||
|
2024/01
|
99
|
82
|
53
|
65
|
97
|
130
|
159
|
111
|
147
|
131
|
132
|
126
|
131
|
194
|
87
|
85
|
62
|
62
|
34
|
45
|
80
|
47
|
38
|
46
|
64
|
75
|
87
|
109
|
119
|
120
|
136
|
|
2023/12
|
57
|
63
|
76
|
82
|
72
|
82
|
71
|
63
|
82
|
60
|
26
|
44
|
46
|
21
|
31
|
50
|
49
|
41
|
57
|
87
|
92
|
55
|
73
|
110
|
119
|
115
|
153
|
206
|
193
|
191
|
98
|
|
2023/11
|
58
|
71
|
98
|
58
|
46
|
36
|
43
|
52
|
61
|
87
|
36
|
41
|
51
|
61
|
72
|
69
|
64
|
61
|
65
|
71
|
88
|
107
|
98
|
59
|
56
|
67
|
80
|
88
|
95
|
53
|
|
|
2023/10
|
31
|
27
|
21
|
28
|
30
|
33
|
28
|
31
|
38
|
39
|
42
|
52
|
50
|
51
|
47
|
64
|
71
|
94
|
50
|
31
|
48
|
62
|
68
|
100
|
95
|
43
|
35
|
40
|
46
|
44
|
52
|
|
2023/09
|
50
|
46
|
49
|
55
|
46
|
35
|
41
|
43
|
51
|
52
|
35
|
25
|
31
|
39
|
37
|
47
|
48
|
52
|
41
|
37
|
28
|
28
|
20
|
20
|
26
|
33
|
35
|
36
|
35
|
24
|
|
|
2023/08
|
30
|
32
|
35
|
41
|
39
|
37
|
31
|
36
|
39
|
43
|
57
|
54
|
30
|
34
|
43
|
49
|
57
|
57
|
49
|
51
|
39
|
38
|
51
|
50
|
54
|
53
|
30
|
30
|
37
|
41
|
49
|
|
2023/07
|
36
|
43
|
39
|
27
|
31
|
29
|
28
|
34
|
28
|
31
|
35
|
35
|
34
|
28
|
37
|
50
|
45
|
41
|
37
|
36
|
31
|
29
|
33
|
41
|
25
|
29
|
31
|
29
|
28
|
26
|
28
|
|
2023/06
|
43
|
48
|
39
|
34
|
22
|
30
|
40
|
39
|
46
|
49
|
57
|
38
|
47
|
66
|
61
|
35
|
27
|
21
|
24
|
35
|
41
|
30
|
36
|
43
|
36
|
44
|
34
|
31
|
32
|
29
|
|
|
2023/05
|
75
|
59
|
57
|
43
|
35
|
31
|
40
|
39
|
43
|
38
|
45
|
55
|
62
|
88
|
79
|
62
|
36
|
56
|
56
|
48
|
49
|
31
|
30
|
44
|
57
|
44
|
43
|
50
|
35
|
23
|
38
|
|
2023/04
|
66
|
67
|
32
|
27
|
36
|
59
|
92
|
82
|
70
|
68
|
79
|
180
|
129
|
77
|
68
|
60
|
62
|
45
|
74
|
89
|
83
|
32
|
21
|
20
|
28
|
38
|
50
|
52
|
110
|
106
|
|
|
2023/03
|
133
|
108
|
124
|
92
|
78
|
62
|
61
|
63
|
63
|
59
|
47
|
129
|
87
|
64
|
89
|
65
|
27
|
36
|
51
|
46
|
51
|
69
|
101
|
115
|
73
|
70
|
74
|
73
|
63
|
61
|
64
|
|
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