Air Quality
Excellent
No health implications.
16
PM2.5
31
PM10
20
O3
0.5
CO
7
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
65
Good
Sat
31 May
68
Good
Sun
1 Jun
58
Good
Mon
2 Jun
55
Good
Tue
3 Jun
56
Good
Wed
4 Jun
63
Good
Thu
5 Jun
31
Excellent
Air quality in the last 12 months (Songxi)
|
2025/04
|
25
|
35
|
44
|
50
|
48
|
53
|
55
|
55
|
58
|
36
|
41
|
63
|
113
|
83
|
69
|
54
|
62
|
58
|
50
|
27
|
47
|
34
|
28
|
23
|
14
|
26
|
25
|
34
|
49
|
48
|
|
|
2025/03
|
48
|
46
|
45
|
20
|
20
|
15
|
36
|
40
|
53
|
49
|
60
|
59
|
28
|
19
|
13
|
22
|
37
|
34
|
43
|
41
|
37
|
39
|
47
|
58
|
70
|
85
|
77
|
42
|
25
|
21
|
24
|
|
2025/02
|
27
|
14
|
25
|
46
|
40
|
46
|
45
|
51
|
35
|
49
|
40
|
47
|
68
|
79
|
58
|
51
|
54
|
53
|
35
|
20
|
14
|
27
|
18
|
49
|
83
|
60
|
47
|
31
|
|||
|
2025/01
|
83
|
68
|
63
|
60
|
58
|
65
|
70
|
80
|
64
|
44
|
40
|
42
|
47
|
52
|
69
|
57
|
50
|
49
|
43
|
46
|
71
|
75
|
64
|
46
|
37
|
28
|
30
|
50
|
120
|
49
|
40
|
|
2024/12
|
45
|
47
|
57
|
72
|
59
|
33
|
42
|
62
|
55
|
53
|
32
|
33
|
40
|
61
|
60
|
53
|
50
|
56
|
53
|
43
|
52
|
66
|
58
|
56
|
63
|
81
|
117
|
92
|
62
|
61
|
67
|
|
2024/11
|
14
|
20
|
29
|
48
|
56
|
44
|
31
|
34
|
41
|
40
|
34
|
39
|
43
|
39
|
29
|
17
|
21
|
21
|
21
|
25
|
34
|
36
|
53
|
36
|
29
|
20
|
33
|
34
|
43
|
42
|
|
|
2024/10
|
19
|
18
|
25
|
24
|
30
|
22
|
18
|
15
|
26
|
38
|
49
|
52
|
39
|
37
|
47
|
23
|
30
|
35
|
31
|
18
|
32
|
35
|
25
|
40
|
30
|
28
|
22
|
12
|
40
|
44
|
28
|
|
2024/09
|
28
|
36
|
35
|
30
|
25
|
23
|
21
|
22
|
21
|
30
|
35
|
35
|
25
|
24
|
26
|
25
|
18
|
21
|
22
|
31
|
21
|
15
|
13
|
13
|
20
|
28
|
19
|
28
|
38
|
28
|
|
|
2024/08
|
21
|
24
|
31
|
30
|
21
|
24
|
27
|
29
|
32
|
38
|
30
|
27
|
25
|
24
|
23
|
26
|
21
|
19
|
18
|
17
|
12
|
23
|
30
|
33
|
33
|
33
|
39
|
24
|
32
|
30
|
29
|
|
2024/07
|
25
|
21
|
25
|
25
|
30
|
28
|
26
|
24
|
26
|
28
|
28
|
27
|
27
|
29
|
27
|
21
|
23
|
23
|
23
|
25
|
27
|
19
|
16
|
15
|
11
|
11
|
10
|
14
|
13
|
17
|
19
|
|
2024/06
|
10
|
11
|
20
|
31
|
29
|
19
|
23
|
28
|
28
|
24
|
18
|
22
|
22
|
16
|
18
|
14
|
18
|
18
|
29
|
31
|
30
|
30
|
32
|
20
|
17
|
22
|
24
|
29
|
22
|
20
|
|
|
2024/05
|
15
|
29
|
37
|
34
|
32
|
26
|
37
|
46
|
53
|
42
|
42
|
39
|
41
|
36
|
37
|
47
|
36
|
42
|
42
|
31
|
19
|
21
|
27
|
24
|
20
|
21
|
22
|
19
|
32
|
35
|
41
|
|
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