Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
53
*
PM10
59
O3
0.8
CO
31
SO2
18
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Apr
71
Good
Mon
21 Apr
62
Good
Tue
22 Apr
70
Good
Wed
23 Apr
75
Good
Thu
24 Apr
78
Good
Fri
25 Apr
74
Good
Sat
26 Apr
22
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