Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Nov
Tue
26 Nov
Wed
27 Nov
Thu
28 Nov
Fri
29 Nov
Sat
30 Nov
Sun
1 Dec
Real-time AQI (Monitoring Station in Hengyang)
衡阳化工总厂
207
PM2.5
13
PM10
63
O3
0.6
CO
4
SO2
16
NO2
市委党校
238
PM2.5
8
PM10
71
O3
0.6
CO
12
SO2
16
NO2
市监测站
213
PM2.5
11
PM10
67
O3
0.6
CO
7
SO2
10
NO2
师范学院
218
PM2.5
11
PM10
67
O3
0.6
CO
8
SO2
14
NO2
Air quality in the last 12 months (Hengyang)
|
2024/10
|
30
|
52
|
56
|
53
|
56
|
77
|
74
|
55
|
52
|
67
|
75
|
73
|
171
|
79
|
38
|
38
|
54
|
46
|
29
|
26
|
41
|
24
|
36
|
46
|
59
|
68
|
56
|
69
|
69
|
55
|
60
|
|
2024/09
|
48
|
51
|
53
|
51
|
49
|
46
|
34
|
34
|
45
|
40
|
44
|
36
|
29
|
43
|
43
|
41
|
47
|
46
|
42
|
41
|
33
|
32
|
39
|
46
|
69
|
60
|
61
|
57
|
51
|
51
|
|
|
2024/08
|
17
|
21
|
25
|
31
|
33
|
32
|
31
|
31
|
33
|
34
|
30
|
32
|
27
|
35
|
39
|
36
|
45
|
60
|
36
|
45
|
46
|
24
|
24
|
24
|
41
|
38
|
45
|
25
|
35
|
39
|
50
|
|
2024/07
|
25
|
17
|
25
|
19
|
22
|
22
|
26
|
21
|
23
|
26
|
27
|
28
|
26
|
22
|
30
|
24
|
18
|
18
|
17
|
24
|
25
|
27
|
27
|
35
|
44
|
35
|
22
|
12
|
17
|
15
|
17
|
|
2024/06
|
23
|
27
|
39
|
21
|
21
|
33
|
42
|
40
|
42
|
30
|
29
|
24
|
21
|
23
|
22
|
26
|
16
|
19
|
19
|
26
|
25
|
24
|
28
|
25
|
10
|
16
|
30
|
30
|
23
|
25
|
|
|
2024/05
|
23
|
38
|
34
|
16
|
35
|
71
|
101
|
94
|
72
|
93
|
38
|
75
|
87
|
70
|
65
|
69
|
61
|
50
|
27
|
22
|
41
|
41
|
42
|
45
|
35
|
30
|
20
|
34
|
29
|
19
|
22
|
|
2024/04
|
38
|
51
|
27
|
26
|
26
|
32
|
40
|
47
|
49
|
43
|
53
|
51
|
48
|
58
|
57
|
47
|
26
|
41
|
32
|
28
|
40
|
56
|
42
|
48
|
33
|
37
|
42
|
58
|
48
|
13
|
|
|
2024/03
|
97
|
73
|
58
|
49
|
48
|
110
|
81
|
71
|
58
|
67
|
56
|
59
|
51
|
45
|
51
|
39
|
45
|
19
|
52
|
69
|
79
|
50
|
30
|
37
|
29
|
29
|
50
|
31
|
46
|
49
|
36
|
|
2024/02
|
41
|
20
|
21
|
37
|
77
|
37
|
58
|
109
|
132
|
207
|
167
|
143
|
52
|
53
|
58
|
48
|
45
|
31
|
50
|
51
|
15
|
27
|
36
|
42
|
75
|
56
|
89
|
52
|
64
|
||
|
2024/01
|
105
|
111
|
68
|
76
|
83
|
92
|
107
|
115
|
120
|
109
|
103
|
99
|
107
|
93
|
192
|
162
|
109
|
43
|
20
|
24
|
68
|
41
|
50
|
51
|
55
|
71
|
90
|
96
|
82
|
57
|
73
|
|
2023/12
|
53
|
67
|
71
|
62
|
53
|
73
|
75
|
72
|
78
|
64
|
20
|
40
|
64
|
65
|
23
|
33
|
39
|
34
|
66
|
58
|
65
|
56
|
63
|
83
|
94
|
101
|
110
|
167
|
240
|
259
|
227
|
|
2023/11
|
73
|
69
|
77
|
83
|
68
|
25
|
46
|
37
|
36
|
18
|
13
|
13
|
51
|
78
|
65
|
45
|
69
|
73
|
73
|
70
|
74
|
74
|
84
|
71
|
71
|
78
|
89
|
88
|
79
|
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
*: primary pollution