Air Quality
Excellent
No health implications.
2
PM2.5
4
PM10
21
O3
0.6
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Dec
69
Good
Fri
26 Dec
59
Good
Sat
27 Dec
61
Good
Sun
28 Dec
64
Good
Mon
29 Dec
72
Good
Tue
30 Dec
94
Good
Wed
31 Dec
41
Excellent
Air quality in the last 12 months (Songyang)
|
2025/11
|
41
|
51
|
60
|
27
|
32
|
48
|
34
|
41
|
14
|
42
|
31
|
21
|
35
|
44
|
69
|
63
|
49
|
27
|
30
|
38
|
51
|
59
|
54
|
49
|
71
|
81
|
71
|
72
|
61
|
57
|
|
|
2025/10
|
36
|
26
|
24
|
38
|
27
|
31
|
40
|
42
|
37
|
34
|
41
|
37
|
40
|
28
|
25
|
30
|
34
|
29
|
19
|
24
|
29
|
27
|
30
|
38
|
42
|
50
|
40
|
53
|
32
|
29
|
31
|
|
2025/09
|
25
|
23
|
24
|
31
|
28
|
22
|
20
|
22
|
20
|
15
|
18
|
22
|
26
|
18
|
28
|
21
|
21
|
22
|
18
|
27
|
25
|
34
|
24
|
18
|
26
|
27
|
28
|
32
|
41
|
42
|
|
|
2025/08
|
32
|
32
|
29
|
22
|
18
|
22
|
18
|
20
|
24
|
31
|
31
|
25
|
14
|
11
|
12
|
15
|
16
|
18
|
19
|
21
|
19
|
17
|
22
|
22
|
20
|
21
|
18
|
14
|
15
|
18
|
29
|
|
2025/07
|
11
|
16
|
27
|
27
|
19
|
13
|
14
|
19
|
15
|
19
|
20
|
20
|
22
|
25
|
30
|
34
|
30
|
23
|
15
|
13
|
11
|
18
|
22
|
24
|
26
|
14
|
20
|
20
|
24
|
26
|
21
|
|
2025/06
|
32
|
25
|
17
|
32
|
28
|
33
|
34
|
43
|
26
|
23
|
19
|
19
|
12
|
21
|
15
|
21
|
29
|
19
|
28
|
21
|
21
|
24
|
18
|
18
|
25
|
22
|
26
|
21
|
27
|
19
|
|
|
2025/05
|
44
|
47
|
51
|
51
|
33
|
49
|
87
|
48
|
32
|
42
|
40
|
40
|
36
|
36
|
50
|
42
|
32
|
30
|
30
|
23
|
25
|
30
|
22
|
32
|
58
|
60
|
54
|
31
|
18
|
34
|
40
|
|
2025/04
|
31
|
36
|
57
|
57
|
53
|
57
|
57
|
56
|
60
|
40
|
46
|
66
|
121
|
82
|
58
|
50
|
57
|
56
|
56
|
41
|
51
|
22
|
37
|
31
|
21
|
37
|
36
|
35
|
55
|
47
|
|
|
2025/03
|
44
|
43
|
47
|
16
|
31
|
24
|
46
|
50
|
64
|
68
|
71
|
69
|
16
|
24
|
13
|
30
|
34
|
35
|
52
|
43
|
39
|
42
|
48
|
58
|
62
|
82
|
80
|
47
|
35
|
33
|
33
|
|
2025/02
|
17
|
14
|
49
|
49
|
31
|
45
|
51
|
46
|
32
|
43
|
41
|
45
|
110
|
94
|
70
|
38
|
56
|
44
|
39
|
19
|
14
|
26
|
32
|
69
|
95
|
75
|
57
|
34
|
|||
|
2025/01
|
95
|
77
|
76
|
74
|
65
|
78
|
74
|
96
|
76
|
37
|
50
|
53
|
58
|
57
|
88
|
50
|
56
|
58
|
48
|
55
|
78
|
73
|
61
|
50
|
42
|
26
|
31
|
43
|
89
|
47
|
40
|
|
2024/12
|
47
|
50
|
69
|
76
|
56
|
31
|
73
|
60
|
44
|
49
|
22
|
57
|
42
|
81
|
72
|
56
|
56
|
65
|
42
|
44
|
64
|
69
|
71
|
74
|
74
|
101
|
138
|
82
|
66
|
66
|
74
|
|
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