Air Quality
Excellent
No health implications.
12
PM2.5
26
PM10
96
O3
0.4
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
55
Good
Sun
13 Jul
56
Good
Mon
14 Jul
66
Good
Tue
15 Jul
74
Good
Wed
16 Jul
63
Good
Thu
17 Jul
60
Good
Fri
18 Jul
21
Excellent
Hengyang County Air quality rank
Air quality in the last 12 months (Hengyang County)
|
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
|
|
|
2024/08
|
15
|
18
|
21
|
26
|
27
|
27
|
30
|
28
|
27
|
32
|
29
|
24
|
24
|
29
|
34
|
30
|
35
|
54
|
29
|
41
|
41
|
22
|
22
|
24
|
38
|
38
|
38
|
24
|
28
|
36
|
46
|
|
2024/07
|
23
|
16
|
23
|
19
|
20
|
18
|
21
|
20
|
22
|
26
|
24
|
25
|
26
|
20
|
29
|
24
|
16
|
16
|
15
|
20
|
23
|
21
|
21
|
28
|
37
|
30
|
23
|
14
|
15
|
15
|
17
|
|
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