Air Quality
Excellent
No health implications.
13
PM2.5
26
PM10
59
O3
0.5
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 May
43
Excellent
Thu
28 May
43
Excellent
Fri
29 May
45
Excellent
Sat
30 May
69
Good
Sun
31 May
70
Good
Mon
1 Jun
20
Excellent
Tue
2 Jun
16
Excellent
Air quality in the last 12 months (Yiyang)
|
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
|
|
|
2025/08
|
37
|
42
|
31
|
30
|
22
|
20
|
20
|
22
|
25
|
35
|
37
|
34
|
28
|
19
|
19
|
20
|
22
|
22
|
25
|
20
|
22
|
23
|
22
|
31
|
31
|
28
|
23
|
21
|
25
|
24
|
32
|
|
2025/07
|
26
|
29
|
34
|
39
|
34
|
32
|
33
|
33
|
22
|
19
|
27
|
22
|
20
|
27
|
36
|
34
|
46
|
39
|
25
|
21
|
15
|
17
|
23
|
21
|
31
|
25
|
19
|
25
|
20
|
28
|
23
|
|
2025/06
|
37
|
19
|
20
|
37
|
36
|
35
|
39
|
33
|
30
|
25
|
21
|
27
|
28
|
23
|
15
|
27
|
30
|
17
|
22
|
19
|
17
|
16
|
16
|
18
|
32
|
30
|
31
|
27
|
31
|
34
|
|
|
2025/05
|
47
|
45
|
58
|
56
|
31
|
46
|
76
|
43
|
22
|
42
|
39
|
43
|
44
|
45
|
59
|
32
|
26
|
26
|
31
|
24
|
24
|
30
|
15
|
56
|
65
|
64
|
55
|
42
|
20
|
26
|
40
|
|
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