Air Quality
Excellent
No health implications.
15
PM2.5
38
PM10
42
O3
0.5
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
46
Excellent
Tue
18 Nov
46
Excellent
Wed
19 Nov
50
Excellent
Thu
20 Nov
47
Excellent
Fri
21 Nov
49
Excellent
Sat
22 Nov
46
Excellent
Sun
23 Nov
26
Excellent
Air quality in the last 12 months (Yiyang)
|
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
|
|
2025/04
|
41
|
49
|
57
|
61
|
57
|
62
|
62
|
63
|
63
|
47
|
50
|
149
|
143
|
104
|
66
|
54
|
60
|
61
|
29
|
30
|
33
|
20
|
31
|
35
|
21
|
31
|
24
|
39
|
57
|
56
|
|
|
2025/03
|
38
|
42
|
35
|
15
|
22
|
20
|
49
|
50
|
59
|
57
|
57
|
51
|
19
|
20
|
15
|
35
|
36
|
39
|
46
|
46
|
44
|
49
|
54
|
65
|
64
|
73
|
60
|
54
|
34
|
38
|
37
|
|
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
|
|
|
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