Air Quality
Excellent
No health implications.
19
PM2.5
29
PM10
87
O3
0.7
CO
12
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
52
Good
Sat
10 May
75
Good
Sun
11 May
72
Good
Mon
12 May
84
Good
Tue
13 May
76
Good
Wed
14 May
87
Good
Thu
15 May
24
Excellent
Air quality in the last 12 months (Yiyang)
|
2025/02
|
23
|
15
|
30
|
48
|
42
|
51
|
60
|
49
|
31
|
45
|
57
|
60
|
72
|
85
|
50
|
56
|
56
|
33
|
38
|
18
|
15
|
21
|
18
|
46
|
75
|
66
|
53
|
39
|
|||
|
2025/01
|
86
|
77
|
72
|
65
|
91
|
70
|
71
|
78
|
60
|
45
|
49
|
54
|
59
|
58
|
73
|
55
|
50
|
54
|
57
|
59
|
63
|
63
|
55
|
55
|
37
|
22
|
49
|
68
|
136
|
56
|
37
|
|
2024/12
|
50
|
53
|
58
|
82
|
50
|
32
|
41
|
65
|
45
|
49
|
22
|
29
|
72
|
58
|
53
|
53
|
58
|
59
|
58
|
59
|
61
|
68
|
53
|
72
|
85
|
87
|
101
|
73
|
67
|
71
|
73
|
|
2024/11
|
20
|
34
|
42
|
53
|
64
|
48
|
36
|
39
|
40
|
42
|
42
|
48
|
48
|
43
|
24
|
24
|
24
|
25
|
31
|
35
|
40
|
32
|
59
|
46
|
35
|
30
|
41
|
46
|
54
|
49
|
|
|
2024/10
|
32
|
28
|
31
|
31
|
32
|
24
|
22
|
15
|
34
|
45
|
54
|
58
|
50
|
48
|
67
|
19
|
31
|
40
|
24
|
16
|
38
|
37
|
32
|
45
|
32
|
42
|
15
|
16
|
43
|
48
|
31
|
|
2024/09
|
46
|
55
|
50
|
42
|
36
|
34
|
34
|
37
|
32
|
33
|
35
|
21
|
34
|
39
|
34
|
35
|
26
|
22
|
35
|
39
|
26
|
19
|
22
|
20
|
37
|
40
|
30
|
29
|
38
|
37
|
|
|
2024/08
|
16
|
25
|
31
|
38
|
35
|
39
|
38
|
35
|
37
|
42
|
37
|
28
|
28
|
27
|
26
|
37
|
36
|
32
|
19
|
27
|
20
|
32
|
34
|
41
|
44
|
47
|
39
|
29
|
37
|
46
|
45
|
|
2024/07
|
26
|
25
|
24
|
23
|
25
|
21
|
23
|
21
|
24
|
29
|
31
|
27
|
26
|
28
|
32
|
32
|
23
|
21
|
21
|
26
|
32
|
28
|
33
|
29
|
20
|
17
|
18
|
16
|
21
|
24
|
22
|
|
2024/06
|
12
|
14
|
25
|
34
|
28
|
20
|
28
|
36
|
36
|
24
|
14
|
23
|
29
|
23
|
19
|
24
|
16
|
17
|
34
|
36
|
34
|
29
|
33
|
20
|
13
|
16
|
24
|
33
|
28
|
28
|
|
|
2024/05
|
12
|
32
|
42
|
26
|
15
|
27
|
42
|
45
|
56
|
56
|
47
|
39
|
58
|
50
|
49
|
58
|
50
|
51
|
51
|
34
|
23
|
27
|
29
|
22
|
24
|
23
|
20
|
17
|
32
|
43
|
30
|
|
2024/04
|
32
|
24
|
23
|
19
|
21
|
29
|
26
|
28
|
30
|
48
|
49
|
39
|
40
|
31
|
47
|
41
|
18
|
23
|
33
|
23
|
22
|
25
|
38
|
48
|
46
|
42
|
37
|
37
|
31
|
13
|
|
|
2024/03
|
32
|
38
|
38
|
40
|
26
|
22
|
32
|
53
|
61
|
61
|
58
|
55
|
69
|
53
|
51
|
50
|
35
|
34
|
51
|
61
|
54
|
54
|
46
|
37
|
34
|
20
|
40
|
30
|
44
|
48
|
22
|
|
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