Air Quality
Excellent
No health implications.
15
PM2.5
22
PM10
136
O3
0.4
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
100
Good
Sat
31 May
62
Good
Sun
1 Jun
49
Excellent
Mon
2 Jun
66
Good
Tue
3 Jun
84
Good
Wed
4 Jun
82
Good
Thu
5 Jun
26
Excellent
Air quality in the last 12 months (Songzi)
|
2025/04
|
60
|
62
|
67
|
60
|
69
|
71
|
67
|
66
|
62
|
50
|
45
|
263
|
166
|
139
|
92
|
78
|
75
|
74
|
59
|
61
|
50
|
62
|
69
|
63
|
69
|
67
|
55
|
57
|
59
|
29
|
|
|
2025/03
|
134
|
90
|
32
|
44
|
52
|
58
|
90
|
86
|
66
|
60
|
72
|
81
|
72
|
57
|
45
|
52
|
54
|
48
|
51
|
51
|
55
|
59
|
57
|
56
|
53
|
68
|
112
|
61
|
72
|
61
|
63
|
|
2025/02
|
75
|
78
|
68
|
65
|
68
|
56
|
92
|
61
|
56
|
73
|
84
|
97
|
92
|
72
|
83
|
75
|
85
|
52
|
81
|
111
|
111
|
93
|
95
|
94
|
104
|
92
|
66
|
82
|
|||
|
2025/01
|
142
|
153
|
160
|
193
|
83
|
92
|
71
|
90
|
77
|
75
|
93
|
94
|
152
|
133
|
75
|
77
|
94
|
124
|
135
|
151
|
187
|
231
|
234
|
106
|
26
|
41
|
51
|
79
|
223
|
139
|
137
|
|
2024/12
|
91
|
123
|
95
|
73
|
49
|
60
|
58
|
66
|
72
|
69
|
60
|
98
|
88
|
54
|
74
|
81
|
96
|
101
|
61
|
94
|
97
|
64
|
62
|
89
|
144
|
147
|
172
|
91
|
101
|
168
|
162
|
|
2024/11
|
82
|
81
|
105
|
78
|
72
|
82
|
75
|
81
|
101
|
70
|
84
|
89
|
85
|
88
|
84
|
53
|
15
|
21
|
31
|
34
|
48
|
54
|
77
|
93
|
37
|
41
|
51
|
52
|
56
|
62
|
|
|
2024/10
|
31
|
57
|
59
|
52
|
66
|
51
|
35
|
51
|
74
|
85
|
84
|
76
|
58
|
66
|
72
|
76
|
43
|
25
|
29
|
43
|
35
|
40
|
44
|
52
|
59
|
56
|
57
|
76
|
107
|
91
|
70
|
|
2024/09
|
48
|
50
|
45
|
59
|
58
|
36
|
41
|
47
|
51
|
51
|
47
|
29
|
38
|
63
|
45
|
51
|
41
|
43
|
31
|
36
|
51
|
47
|
58
|
69
|
83
|
91
|
98
|
93
|
79
|
46
|
|
|
2024/08
|
18
|
20
|
22
|
23
|
23
|
24
|
26
|
32
|
32
|
39
|
77
|
62
|
41
|
43
|
43
|
34
|
27
|
35
|
23
|
37
|
31
|
34
|
32
|
33
|
34
|
46
|
25
|
25
|
33
|
43
|
49
|
|
2024/07
|
23
|
26
|
32
|
21
|
23
|
20
|
20
|
23
|
25
|
25
|
44
|
40
|
25
|
26
|
30
|
30
|
26
|
25
|
18
|
23
|
22
|
26
|
26
|
32
|
34
|
31
|
29
|
15
|
14
|
20
|
19
|
|
2024/06
|
40
|
46
|
49
|
33
|
31
|
49
|
51
|
47
|
31
|
33
|
36
|
29
|
27
|
39
|
44
|
44
|
35
|
39
|
43
|
43
|
47
|
16
|
28
|
24
|
29
|
35
|
30
|
15
|
23
|
24
|
|
|
2024/05
|
28
|
45
|
39
|
33
|
47
|
42
|
67
|
68
|
75
|
72
|
64
|
75
|
75
|
65
|
76
|
58
|
56
|
54
|
51
|
28
|
39
|
44
|
59
|
57
|
48
|
37
|
47
|
41
|
43
|
42
|
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