Air Quality
Excellent
No health implications.
23
PM2.5
36
PM10
42
O3
0.5
CO
10
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Oct
64
Good
Fri
25 Oct
88
Good
Sat
26 Oct
56
Good
Sun
27 Oct
51
Good
Mon
28 Oct
66
Good
Tue
29 Oct
51
Good
Air quality in the last 12 months (Hengyang County)
|
2024/09
|
44
|
48
|
51
|
52
|
46
|
44
|
33
|
31
|
47
|
39
|
42
|
34
|
24
|
41
|
40
|
38
|
42
|
43
|
39
|
38
|
29
|
27
|
33
|
44
|
67
|
69
|
62
|
58
|
56
|
55
|
|
|
2024/08
|
15
|
18
|
21
|
26
|
27
|
27
|
30
|
28
|
27
|
32
|
29
|
24
|
24
|
29
|
34
|
30
|
35
|
54
|
29
|
41
|
41
|
22
|
22
|
24
|
38
|
38
|
38
|
24
|
28
|
36
|
46
|
|
2024/07
|
23
|
16
|
23
|
19
|
20
|
18
|
21
|
20
|
22
|
26
|
24
|
25
|
26
|
20
|
29
|
24
|
16
|
16
|
15
|
20
|
23
|
21
|
21
|
28
|
37
|
30
|
23
|
14
|
15
|
15
|
17
|
|
2024/06
|
23
|
24
|
42
|
23
|
16
|
29
|
37
|
38
|
36
|
23
|
23
|
24
|
19
|
21
|
23
|
24
|
15
|
17
|
15
|
24
|
23
|
25
|
22
|
21
|
12
|
15
|
28
|
29
|
21
|
20
|
|
|
2024/05
|
23
|
32
|
28
|
13
|
28
|
63
|
114
|
75
|
71
|
77
|
46
|
71
|
73
|
62
|
60
|
67
|
59
|
47
|
27
|
22
|
41
|
46
|
38
|
39
|
40
|
33
|
19
|
31
|
28
|
16
|
20
|
|
2024/04
|
40
|
48
|
24
|
29
|
28
|
28
|
36
|
40
|
42
|
44
|
50
|
48
|
49
|
54
|
57
|
47
|
25
|
38
|
28
|
25
|
39
|
50
|
40
|
46
|
33
|
35
|
40
|
52
|
46
|
13
|
|
|
2024/03
|
92
|
65
|
55
|
49
|
37
|
71
|
50
|
53
|
53
|
54
|
48
|
53
|
49
|
38
|
44
|
34
|
34
|
17
|
45
|
59
|
74
|
49
|
28
|
37
|
25
|
24
|
47
|
29
|
43
|
48
|
35
|
|
2024/02
|
31
|
14
|
15
|
27
|
54
|
27
|
46
|
79
|
110
|
224
|
121
|
107
|
57
|
48
|
47
|
43
|
41
|
30
|
49
|
48
|
17
|
23
|
31
|
39
|
69
|
49
|
80
|
53
|
63
|
||
|
2024/01
|
74
|
76
|
54
|
60
|
66
|
68
|
78
|
75
|
62
|
73
|
74
|
62
|
73
|
62
|
126
|
97
|
72
|
29
|
14
|
19
|
42
|
34
|
36
|
34
|
37
|
48
|
61
|
70
|
62
|
45
|
50
|
|
2023/12
|
40
|
58
|
56
|
46
|
46
|
59
|
61
|
65
|
73
|
63
|
23
|
33
|
53
|
58
|
22
|
30
|
37
|
27
|
54
|
55
|
59
|
52
|
59
|
72
|
80
|
89
|
105
|
150
|
210
|
239
|
193
|
|
2023/11
|
61
|
62
|
67
|
78
|
66
|
24
|
42
|
37
|
34
|
17
|
11
|
13
|
43
|
52
|
44
|
39
|
59
|
65
|
59
|
58
|
62
|
61
|
74
|
65
|
64
|
61
|
70
|
71
|
70
|
65
|
|
|
2023/10
|
47
|
50
|
45
|
35
|
22
|
49
|
33
|
33
|
34
|
31
|
38
|
54
|
58
|
64
|
84
|
74
|
80
|
76
|
59
|
27
|
44
|
63
|
74
|
82
|
102
|
58
|
67
|
50
|
58
|
59
|
56
|
|
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