Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
40
O3
0.3
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Jan
34
Excellent
Sun
1 Feb
51
Good
Mon
2 Feb
76
Good
Tue
3 Feb
101
Light
Wed
4 Feb
79
Good
Thu
5 Feb
86
Good
Fri
6 Feb
32
Excellent
Air quality in the last 12 months (Songyang)
|
2025/12
|
68
|
111
|
51
|
54
|
53
|
65
|
73
|
86
|
72
|
47
|
56
|
77
|
38
|
41
|
52
|
54
|
67
|
118
|
102
|
73
|
73
|
43
|
50
|
47
|
31
|
51
|
52
|
55
|
53
|
82
|
65
|
|
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
|
|
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