Air Quality
Excellent
No health implications.
35
PM2.5
43
PM10
18
O3
1.3
CO
8
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
74
Good
Thu
12 Mar
84
Good
Fri
13 Mar
63
Good
Sat
14 Mar
68
Good
Sun
15 Mar
87
Good
Mon
16 Mar
84
Good
Tue
17 Mar
44
Excellent
Air quality in the last 12 months (Hengyang County)
|
2026/02
|
54
|
62
|
73
|
102
|
124
|
90
|
81
|
66
|
65
|
68
|
74
|
87
|
78
|
67
|
74
|
23
|
92
|
84
|
58
|
52
|
70
|
70
|
62
|
36
|
55
|
35
|
21
|
23
|
|||
|
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
|
|
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