Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
41
PM10
174
O3
0.5
CO
8
SO2
4
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Sep
78
Good
Fri
18 Sep
79
Good
Sat
19 Sep
81
Good
Sun
20 Sep
79
Good
Mon
21 Sep
83
Good
Tue
22 Sep
84
Good
Wed
23 Sep
43
Excellent
Air quality in the last 12 months (Yiyang)
|
2026/08
|
25
|
29
|
43
|
49
|
41
|
32
|
39
|
32
|
19
|
15
|
19
|
25
|
30
|
31
|
26
|
28
|
34
|
34
|
31
|
26
|
22
|
26
|
26
|
20
|
20
|
22
|
29
|
29
|
22
|
21
|
24
|
|
2026/07
|
21
|
20
|
29
|
22
|
19
|
24
|
17
|
19
|
29
|
34
|
31
|
21
|
23
|
26
|
19
|
21
|
24
|
27
|
27
|
24
|
25
|
32
|
36
|
40
|
34
|
23
|
24
|
21
|
25
|
27
|
24
|
|
2026/06
|
58
|
60
|
46
|
21
|
34
|
40
|
37
|
37
|
26
|
31
|
43
|
38
|
32
|
19
|
35
|
32
|
34
|
21
|
15
|
22
|
25
|
32
|
26
|
21
|
24
|
30
|
40
|
48
|
30
|
27
|
|
|
2026/05
|
33
|
38
|
34
|
40
|
34
|
33
|
38
|
29
|
31
|
31
|
33
|
51
|
45
|
24
|
26
|
28
|
29
|
32
|
33
|
23
|
30
|
17
|
21
|
31
|
29
|
31
|
28
|
34
|
43
|
57
|
56
|
|
2026/04
|
42
|
46
|
21
|
33
|
56
|
44
|
48
|
35
|
37
|
34
|
32
|
28
|
49
|
28
|
39
|
37
|
32
|
43
|
49
|
52
|
49
|
17
|
22
|
26
|
36
|
42
|
55
|
52
|
27
|
27
|
|
|
2026/03
|
20
|
20
|
25
|
66
|
59
|
53
|
62
|
56
|
61
|
54
|
47
|
52
|
52
|
60
|
67
|
81
|
62
|
31
|
24
|
38
|
45
|
52
|
22
|
23
|
46
|
45
|
41
|
43
|
48
|
35
|
23
|
|
2026/02
|
29
|
42
|
56
|
64
|
80
|
42
|
17
|
40
|
43
|
55
|
56
|
64
|
69
|
53
|
42
|
31
|
74
|
76
|
62
|
43
|
38
|
52
|
85
|
44
|
26
|
23
|
18
|
17
|
|||
|
2026/01
|
28
|
27
|
52
|
67
|
46
|
48
|
52
|
48
|
51
|
56
|
59
|
58
|
63
|
59
|
61
|
72
|
73
|
88
|
73
|
17
|
36
|
50
|
65
|
72
|
65
|
77
|
38
|
46
|
78
|
37
|
16
|
|
2025/12
|
57
|
90
|
57
|
56
|
59
|
69
|
78
|
79
|
69
|
59
|
73
|
71
|
37
|
41
|
47
|
56
|
63
|
102
|
89
|
75
|
71
|
41
|
42
|
30
|
33
|
52
|
54
|
54
|
57
|
62
|
63
|
|
2025/11
|
41
|
43
|
59
|
30
|
30
|
39
|
43
|
35
|
18
|
35
|
44
|
22
|
36
|
45
|
60
|
65
|
58
|
29
|
35
|
40
|
48
|
57
|
57
|
57
|
72
|
78
|
81
|
77
|
63
|
58
|
|
|
2025/10
|
44
|
40
|
38
|
47
|
37
|
29
|
39
|
50
|
42
|
39
|
40
|
43
|
61
|
58
|
60
|
54
|
40
|
44
|
18
|
21
|
24
|
22
|
31
|
33
|
39
|
62
|
52
|
42
|
38
|
39
|
39
|
|
2025/09
|
25
|
30
|
31
|
32
|
39
|
33
|
36
|
27
|
24
|
25
|
22
|
23
|
26
|
24
|
35
|
29
|
30
|
29
|
28
|
31
|
26
|
30
|
29
|
20
|
30
|
28
|
37
|
43
|
47
|
47
|
|
|
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