Air Quality
Excellent
No health implications.
8
PM2.5
13
PM10
59
O3
0.6
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
56
Good
Wed
24 Apr
82
Good
Thu
25 Apr
57
Good
Fri
26 Apr
66
Good
Sat
27 Apr
73
Good
Sun
28 Apr
77
Good
Mon
29 Apr
77
Good
Air quality in the last 12 months (Songyang)
|
2024/02
|
36
|
16
|
16
|
14
|
16
|
21
|
23
|
69
|
91
|
116
|
59
|
51
|
41
|
45
|
35
|
19
|
24
|
41
|
45
|
41
|
28
|
10
|
15
|
21
|
33
|
63
|
79
|
58
|
19
|
||
|
2024/01
|
133
|
120
|
69
|
47
|
57
|
53
|
148
|
132
|
89
|
53
|
78
|
52
|
56
|
59
|
109
|
65
|
54
|
65
|
67
|
20
|
33
|
34
|
32
|
41
|
50
|
66
|
71
|
69
|
92
|
53
|
44
|
|
2023/12
|
48
|
53
|
67
|
60
|
45
|
47
|
49
|
52
|
55
|
61
|
62
|
21
|
43
|
59
|
49
|
24
|
50
|
48
|
24
|
43
|
62
|
49
|
51
|
57
|
55
|
67
|
65
|
77
|
132
|
100
|
91
|
|
2023/11
|
43
|
38
|
39
|
48
|
43
|
27
|
42
|
52
|
50
|
17
|
16
|
17
|
63
|
46
|
54
|
38
|
60
|
65
|
55
|
54
|
61
|
48
|
52
|
80
|
50
|
56
|
64
|
57
|
60
|
70
|
|
|
2023/10
|
26
|
36
|
42
|
36
|
35
|
28
|
15
|
20
|
31
|
43
|
42
|
44
|
48
|
48
|
56
|
57
|
57
|
59
|
58
|
22
|
32
|
38
|
32
|
35
|
61
|
68
|
56
|
56
|
49
|
49
|
48
|
|
2023/09
|
42
|
43
|
36
|
26
|
23
|
30
|
36
|
35
|
38
|
42
|
45
|
42
|
29
|
17
|
23
|
20
|
29
|
35
|
31
|
30
|
26
|
25
|
29
|
33
|
44
|
35
|
44
|
42
|
36
|
30
|
|
|
2023/08
|
29
|
28
|
29
|
30
|
41
|
42
|
38
|
35
|
40
|
42
|
44
|
35
|
24
|
28
|
39
|
41
|
36
|
35
|
27
|
27
|
31
|
22
|
23
|
37
|
34
|
25
|
20
|
26
|
18
|
25
|
28
|
|
2023/07
|
35
|
30
|
25
|
24
|
26
|
28
|
29
|
29
|
34
|
36
|
41
|
37
|
36
|
38
|
29
|
20
|
22
|
26
|
26
|
19
|
24
|
22
|
25
|
31
|
29
|
17
|
17
|
12
|
17
|
22
|
28
|
|
2023/06
|
39
|
50
|
64
|
57
|
44
|
43
|
35
|
18
|
30
|
38
|
50
|
61
|
52
|
46
|
53
|
43
|
36
|
29
|
24
|
25
|
26
|
31
|
24
|
23
|
23
|
22
|
29
|
31
|
30
|
29
|
|
|
2023/05
|
54
|
35
|
39
|
40
|
28
|
32
|
22
|
37
|
45
|
49
|
53
|
58
|
50
|
56
|
61
|
50
|
33
|
33
|
44
|
50
|
45
|
35
|
73
|
61
|
48
|
47
|
29
|
30
|
31
|
41
|
48
|
|
2023/04
|
50
|
51
|
38
|
37
|
44
|
29
|
48
|
56
|
51
|
50
|
52
|
89
|
96
|
63
|
51
|
62
|
69
|
60
|
37
|
27
|
34
|
57
|
49
|
21
|
25
|
29
|
43
|
57
|
40
|
62
|
|
|
2023/03
|
60
|
80
|
73
|
68
|
65
|
59
|
58
|
61
|
63
|
53
|
51
|
62
|
66
|
57
|
53
|
70
|
56
|
43
|
40
|
33
|
53
|
48
|
40
|
21
|
31
|
40
|
71
|
70
|
56
|
25
|
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