Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
51
*
PM10
92
O3
0.8
CO
8
SO2
8
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
55
Good
Tue
30 Apr
49
Excellent
Wed
1 May
55
Good
Thu
2 May
56
Good
Fri
3 May
47
Excellent
Sat
4 May
50
Excellent
Sun
5 May
51
Good
Air quality in the last 12 months (Hengyang County)
|
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
|
|
2023/09
|
41
|
40
|
32
|
39
|
46
|
34
|
29
|
29
|
43
|
36
|
35
|
35
|
23
|
26
|
23
|
33
|
37
|
40
|
35
|
55
|
25
|
27
|
33
|
46
|
36
|
42
|
46
|
56
|
53
|
68
|
|
|
2023/08
|
24
|
24
|
30
|
44
|
38
|
28
|
32
|
31
|
28
|
35
|
43
|
37
|
36
|
37
|
32
|
34
|
52
|
42
|
58
|
55
|
35
|
30
|
33
|
37
|
51
|
36
|
26
|
21
|
35
|
43
|
43
|
|
2023/07
|
39
|
31
|
28
|
19
|
19
|
21
|
23
|
21
|
24
|
24
|
26
|
26
|
27
|
30
|
37
|
51
|
50
|
37
|
23
|
26
|
27
|
24
|
29
|
34
|
34
|
30
|
31
|
24
|
30
|
33
|
27
|
|
2023/06
|
43
|
52
|
58
|
56
|
42
|
36
|
48
|
27
|
31
|
37
|
52
|
51
|
31
|
39
|
47
|
55
|
29
|
21
|
22
|
37
|
28
|
21
|
22
|
27
|
22
|
22
|
19
|
26
|
28
|
29
|
|
|
2023/05
|
74
|
58
|
34
|
32
|
39
|
21
|
28
|
56
|
65
|
37
|
29
|
47
|
73
|
105
|
91
|
84
|
46
|
46
|
51
|
59
|
45
|
28
|
46
|
38
|
43
|
36
|
28
|
35
|
41
|
52
|
50
|
|
2023/04
|
50
|
40
|
26
|
20
|
22
|
33
|
47
|
76
|
64
|
62
|
46
|
49
|
53
|
44
|
78
|
72
|
62
|
42
|
32
|
42
|
44
|
30
|
14
|
13
|
22
|
35
|
45
|
38
|
66
|
88
|
|
|
2023/03
|
76
|
87
|
86
|
66
|
58
|
62
|
75
|
71
|
64
|
55
|
60
|
95
|
99
|
79
|
69
|
80
|
30
|
32
|
18
|
34
|
40
|
27
|
27
|
21
|
50
|
57
|
46
|
56
|
45
|
47
|
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