Air Quality
Excellent
No health implications.
21
PM2.5
37
PM10
13
O3
0.3
CO
3
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Nov
44
Excellent
Wed
19 Nov
46
Excellent
Thu
20 Nov
53
Good
Fri
21 Nov
53
Good
Sat
22 Nov
57
Good
Sun
23 Nov
63
Good
Mon
24 Nov
20
Excellent
Air quality in the last 12 months (Songyang)
|
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
|
|
2024/11
|
14
|
20
|
35
|
62
|
60
|
43
|
29
|
36
|
43
|
39
|
35
|
50
|
43
|
43
|
26
|
17
|
21
|
22
|
27
|
31
|
45
|
48
|
72
|
36
|
29
|
23
|
38
|
39
|
44
|
42
|
|
|
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