Air Quality
Excellent
No health implications.
26
PM2.5
45
PM10
52
O3
0.8
CO
11
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
48
Excellent
Fri
26 Apr
51
Good
Sat
27 Apr
44
Excellent
Sun
28 Apr
41
Excellent
Mon
29 Apr
50
Excellent
Tue
30 Apr
36
Excellent
Wed
1 May
36
Excellent
Air quality in the last 12 months (Yiyang)
|
2024/02
|
33
|
16
|
13
|
12
|
30
|
15
|
18
|
37
|
90
|
137
|
74
|
53
|
44
|
44
|
35
|
20
|
27
|
35
|
40
|
40
|
16
|
11
|
13
|
19
|
41
|
33
|
42
|
40
|
28
|
||
|
2024/01
|
101
|
109
|
57
|
50
|
54
|
58
|
87
|
113
|
99
|
44
|
56
|
60
|
56
|
60
|
122
|
71
|
59
|
70
|
26
|
17
|
44
|
27
|
33
|
38
|
44
|
50
|
54
|
53
|
58
|
36
|
44
|
|
2023/12
|
46
|
51
|
55
|
55
|
54
|
47
|
56
|
55
|
45
|
51
|
36
|
19
|
40
|
46
|
29
|
29
|
38
|
34
|
29
|
32
|
49
|
39
|
48
|
53
|
58
|
63
|
64
|
69
|
104
|
131
|
106
|
|
2023/11
|
49
|
48
|
48
|
52
|
51
|
25
|
41
|
37
|
29
|
17
|
15
|
16
|
34
|
48
|
52
|
45
|
85
|
75
|
61
|
55
|
55
|
50
|
54
|
76
|
60
|
61
|
67
|
59
|
57
|
62
|
|
|
2023/10
|
28
|
41
|
48
|
35
|
36
|
35
|
19
|
17
|
21
|
34
|
36
|
47
|
55
|
57
|
59
|
58
|
59
|
60
|
60
|
24
|
32
|
46
|
50
|
51
|
61
|
68
|
66
|
40
|
38
|
52
|
57
|
|
2023/09
|
35
|
40
|
44
|
33
|
29
|
35
|
38
|
39
|
40
|
44
|
45
|
43
|
24
|
15
|
20
|
21
|
35
|
34
|
36
|
47
|
37
|
31
|
30
|
32
|
44
|
48
|
51
|
51
|
40
|
45
|
|
|
2023/08
|
32
|
30
|
33
|
37
|
45
|
50
|
41
|
38
|
32
|
44
|
50
|
34
|
31
|
26
|
40
|
46
|
43
|
38
|
38
|
36
|
34
|
22
|
26
|
42
|
49
|
32
|
27
|
25
|
20
|
19
|
24
|
|
2023/07
|
35
|
37
|
26
|
25
|
25
|
32
|
28
|
28
|
35
|
32
|
36
|
35
|
33
|
41
|
50
|
42
|
31
|
30
|
24
|
24
|
27
|
27
|
22
|
36
|
28
|
31
|
26
|
16
|
17
|
24
|
25
|
|
2023/06
|
40
|
46
|
59
|
54
|
47
|
41
|
33
|
26
|
34
|
36
|
52
|
65
|
56
|
53
|
56
|
37
|
35
|
30
|
24
|
23
|
17
|
33
|
30
|
18
|
22
|
21
|
24
|
22
|
27
|
33
|
|
|
2023/05
|
65
|
53
|
43
|
40
|
33
|
21
|
22
|
32
|
49
|
49
|
48
|
47
|
51
|
61
|
54
|
55
|
32
|
31
|
53
|
57
|
30
|
59
|
53
|
47
|
37
|
39
|
34
|
40
|
45
|
47
|
37
|
|
2023/04
|
49
|
50
|
45
|
29
|
23
|
22
|
45
|
55
|
55
|
57
|
61
|
54
|
70
|
34
|
64
|
73
|
65
|
57
|
27
|
33
|
38
|
54
|
33
|
13
|
20
|
31
|
41
|
39
|
82
|
117
|
|
|
2023/03
|
50
|
68
|
70
|
74
|
64
|
57
|
60
|
67
|
63
|
60
|
59
|
69
|
74
|
60
|
62
|
72
|
43
|
26
|
18
|
22
|
43
|
33
|
25
|
17
|
19
|
32
|
63
|
67
|
52
|
35
|
33
|
|
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