Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
62
*
PM10
146
O3
0.7
CO
11
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 May
74
Good
Mon
5 May
46
Excellent
Tue
6 May
75
Good
Wed
7 May
78
Good
Thu
8 May
56
Good
Fri
9 May
57
Good
Sat
10 May
35
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