Air Quality
Excellent
No health implications.
6
PM2.5
9
PM10
30
O3
1.1
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
70
Good
Sat
31 Jan
59
Good
Sun
1 Feb
59
Good
Mon
2 Feb
60
Good
Tue
3 Feb
61
Good
Wed
4 Feb
71
Good
Thu
5 Feb
50
Excellent
Air quality in the last 12 months (Hengyang County)
|
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
|
|||
|
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
|
|
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