Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
51
*
PM10
26
O3
0.7
CO
9
SO2
20
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 Sep
52
Good
Fri
19 Sep
62
Good
Sat
20 Sep
58
Good
Sun
21 Sep
41
Excellent
Mon
22 Sep
55
Good
Tue
23 Sep
49
Excellent
Wed
24 Sep
15
Excellent
Air quality in the last 12 months (Hengyang County)
|
2025/08
|
35
|
41
|
28
|
24
|
29
|
17
|
14
|
21
|
26
|
29
|
34
|
39
|
36
|
22
|
12
|
21
|
33
|
24
|
13
|
17
|
17
|
19
|
25
|
27
|
24
|
24
|
33
|
34
|
34
|
27
|
25
|
|
2025/07
|
12
|
13
|
18
|
23
|
38
|
42
|
45
|
39
|
39
|
23
|
23
|
26
|
24
|
28
|
22
|
21
|
23
|
29
|
30
|
22
|
15
|
12
|
15
|
26
|
23
|
28
|
19
|
21
|
24
|
23
|
23
|
|
2025/06
|
18
|
23
|
37
|
47
|
49
|
43
|
32
|
24
|
34
|
39
|
35
|
24
|
30
|
19
|
17
|
25
|
14
|
10
|
16
|
18
|
25
|
14
|
21
|
16
|
36
|
26
|
15
|
16
|
19
|
17
|
|
|
2025/05
|
49
|
57
|
62
|
56
|
45
|
53
|
72
|
50
|
30
|
53
|
52
|
68
|
70
|
54
|
64
|
28
|
29
|
24
|
27
|
19
|
22
|
23
|
25
|
53
|
53
|
46
|
48
|
22
|
20
|
30
|
20
|
|
2025/04
|
55
|
56
|
62
|
128
|
112
|
84
|
77
|
76
|
76
|
67
|
58
|
232
|
166
|
134
|
90
|
76
|
76
|
67
|
32
|
35
|
34
|
37
|
48
|
32
|
28
|
40
|
28
|
40
|
57
|
48
|
|
|
2025/03
|
32
|
36
|
17
|
21
|
29
|
37
|
44
|
42
|
43
|
36
|
49
|
47
|
50
|
26
|
21
|
43
|
38
|
39
|
44
|
49
|
53
|
61
|
72
|
73
|
70
|
77
|
79
|
64
|
51
|
20
|
42
|
|
2025/02
|
38
|
25
|
50
|
55
|
68
|
68
|
60
|
51
|
43
|
58
|
69
|
73
|
94
|
105
|
53
|
40
|
40
|
39
|
28
|
24
|
70
|
34
|
39
|
67
|
81
|
75
|
51
|
37
|
|||
|
2025/01
|
133
|
119
|
127
|
157
|
135
|
92
|
87
|
79
|
51
|
51
|
58
|
73
|
73
|
71
|
75
|
60
|
73
|
85
|
104
|
95
|
95
|
101
|
147
|
187
|
29
|
31
|
55
|
76
|
292
|
154
|
77
|
|
2024/12
|
66
|
71
|
88
|
113
|
39
|
36
|
42
|
55
|
81
|
62
|
42
|
64
|
79
|
54
|
58
|
67
|
75
|
73
|
91
|
116
|
109
|
97
|
81
|
93
|
110
|
105
|
111
|
118
|
97
|
116
|
110
|
|
2024/11
|
54
|
83
|
75
|
74
|
83
|
62
|
62
|
53
|
63
|
75
|
60
|
65
|
68
|
84
|
76
|
80
|
22
|
13
|
16
|
27
|
35
|
41
|
51
|
66
|
29
|
24
|
36
|
43
|
50
|
59
|
|
|
2024/10
|
29
|
45
|
55
|
52
|
51
|
68
|
59
|
48
|
47
|
60
|
70
|
70
|
150
|
69
|
30
|
35
|
53
|
44
|
23
|
23
|
28
|
18
|
28
|
39
|
52
|
56
|
47
|
62
|
61
|
53
|
54
|
|
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
|
|
|
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