Air Quality
Excellent
No health implications.
12
PM2.5
19
PM10
74
O3
0.5
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
42
Excellent
Wed
20 May
51
Good
Thu
21 May
53
Good
Fri
22 May
56
Good
Sat
23 May
79
Good
Sun
24 May
69
Good
Mon
25 May
47
Excellent
Air quality in the last 12 months (Songzi)
|
2026/04
|
48
|
39
|
28
|
45
|
60
|
52
|
62
|
68
|
36
|
38
|
41
|
46
|
43
|
35
|
42
|
43
|
48
|
48
|
50
|
96
|
35
|
26
|
30
|
45
|
52
|
58
|
45
|
29
|
31
|
37
|
|
|
2026/03
|
23
|
25
|
41
|
63
|
74
|
97
|
94
|
74
|
72
|
70
|
64
|
99
|
73
|
83
|
39
|
27
|
36
|
37
|
76
|
97
|
64
|
61
|
59
|
65
|
58
|
35
|
35
|
50
|
56
|
35
|
50
|
|
2026/02
|
84
|
93
|
114
|
150
|
176
|
153
|
98
|
90
|
81
|
83
|
77
|
82
|
91
|
84
|
94
|
29
|
70
|
76
|
77
|
57
|
53
|
73
|
82
|
60
|
49
|
31
|
36
|
61
|
|||
|
2026/01
|
48
|
69
|
90
|
87
|
82
|
80
|
74
|
70
|
74
|
69
|
76
|
87
|
86
|
106
|
127
|
127
|
139
|
148
|
46
|
56
|
58
|
71
|
73
|
92
|
82
|
132
|
135
|
122
|
71
|
67
|
83
|
|
2025/12
|
77
|
111
|
75
|
65
|
74
|
72
|
93
|
77
|
97
|
161
|
180
|
134
|
41
|
54
|
60
|
83
|
101
|
108
|
100
|
82
|
34
|
67
|
43
|
58
|
62
|
68
|
75
|
100
|
117
|
123
|
102
|
|
2025/11
|
67
|
53
|
74
|
86
|
113
|
75
|
38
|
21
|
31
|
45
|
53
|
49
|
62
|
76
|
89
|
104
|
42
|
26
|
30
|
42
|
48
|
59
|
70
|
51
|
55
|
63
|
71
|
67
|
65
|
89
|
|
|
2025/10
|
39
|
32
|
22
|
35
|
46
|
63
|
47
|
57
|
97
|
70
|
48
|
45
|
17
|
26
|
46
|
25
|
25
|
17
|
27
|
18
|
25
|
39
|
42
|
52
|
76
|
68
|
62
|
67
|
103
|
98
|
77
|
|
2025/09
|
18
|
29
|
33
|
28
|
43
|
20
|
34
|
36
|
21
|
30
|
26
|
23
|
20
|
21
|
28
|
30
|
26
|
14
|
16
|
18
|
29
|
30
|
17
|
22
|
25
|
19
|
28
|
40
|
19
|
27
|
|
|
2025/08
|
35
|
37
|
41
|
45
|
34
|
34
|
24
|
20
|
19
|
15
|
14
|
12
|
12
|
19
|
17
|
17
|
23
|
28
|
28
|
19
|
18
|
23
|
22
|
21
|
21
|
23
|
27
|
37
|
40
|
27
|
18
|
|
2025/07
|
22
|
16
|
16
|
18
|
22
|
32
|
29
|
38
|
28
|
19
|
37
|
37
|
26
|
31
|
31
|
26
|
31
|
21
|
28
|
31
|
24
|
16
|
12
|
16
|
24
|
25
|
22
|
19
|
18
|
21
|
24
|
|
2025/06
|
19
|
35
|
41
|
42
|
43
|
48
|
29
|
24
|
25
|
35
|
26
|
28
|
31
|
29
|
30
|
36
|
28
|
17
|
14
|
15
|
16
|
23
|
22
|
25
|
22
|
16
|
27
|
27
|
19
|
21
|
|
|
2025/05
|
58
|
69
|
60
|
45
|
44
|
141
|
146
|
30
|
38
|
53
|
44
|
59
|
67
|
64
|
41
|
38
|
53
|
112
|
75
|
50
|
37
|
21
|
46
|
62
|
62
|
64
|
57
|
44
|
39
|
32
|
21
|
|
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