Air Quality
Excellent
No health implications.
16
PM2.5
25
PM10
44
O3
0.6
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
130
Light
Tue
17 Feb
229
Heavy
Wed
18 Feb
112
Light
Thu
19 Feb
81
Good
Fri
20 Feb
67
Good
Sat
21 Feb
64
Good
Sun
22 Feb
25
Excellent
Hengyang County Air quality rank
Air quality in the last 12 months (Hengyang County)
|
2026/01
|
36
|
59
|
72
|
75
|
60
|
82
|
76
|
64
|
73
|
114
|
121
|
120
|
129
|
103
|
106
|
138
|
128
|
131
|
39
|
26
|
61
|
61
|
72
|
57
|
76
|
66
|
136
|
94
|
69
|
32
|
48
|
|
2025/12
|
96
|
124
|
92
|
69
|
77
|
96
|
114
|
127
|
131
|
144
|
133
|
143
|
29
|
57
|
69
|
75
|
87
|
127
|
110
|
86
|
94
|
107
|
59
|
56
|
60
|
66
|
82
|
93
|
110
|
134
|
175
|
|
2025/11
|
46
|
38
|
25
|
30
|
36
|
29
|
54
|
13
|
10
|
15
|
40
|
51
|
42
|
48
|
57
|
69
|
72
|
28
|
34
|
47
|
53
|
63
|
82
|
71
|
58
|
68
|
82
|
89
|
87
|
79
|
|
|
2025/10
|
61
|
56
|
36
|
46
|
48
|
29
|
51
|
60
|
45
|
48
|
57
|
109
|
82
|
49
|
62
|
49
|
45
|
17
|
8
|
8
|
10
|
27
|
36
|
41
|
58
|
65
|
62
|
61
|
77
|
88
|
58
|
|
2025/09
|
24
|
28
|
29
|
40
|
41
|
41
|
46
|
39
|
23
|
31
|
25
|
21
|
32
|
39
|
39
|
40
|
35
|
38
|
28
|
20
|
23
|
17
|
21
|
9
|
9
|
17
|
36
|
51
|
56
|
45
|
|
|
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
|
|||
|
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