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 Apr
Fri
26 Apr
Sat
27 Apr
Sun
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Real-time AQI (Monitoring Station in Hengyang)
原169医院
2215
PM2.5
20
PM10
42
O3
0.7
CO
4
SO2
19
NO2
衡阳化工总厂
3323
PM2.5
29
PM10
43
O3
0.7
CO
7
SO2
23
NO2
珠晖区环保局
2920
PM2.5
28
PM10
47
O3
0.8
CO
6
SO2
18
NO2
市委党校
2517
PM2.5
24
PM10
64
O3
0.8
CO
6
SO2
11
NO2
市监测站
3927
PM2.5
32
PM10
51
O3
0.8
CO
7
SO2
18
NO2
真空机电公司
3019
PM2.5
30
PM10
50
O3
1.0
CO
10
SO2
19
NO2
师范学院
2819
PM2.5
25
PM10
62
O3
0.7
CO
8
SO2
11
NO2
Air quality in the last 12 months (Hengyang)
|
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
|
|
|
2023/10
|
51
|
54
|
44
|
45
|
24
|
53
|
34
|
38
|
31
|
28
|
40
|
59
|
62
|
71
|
89
|
74
|
78
|
87
|
37
|
25
|
42
|
65
|
82
|
91
|
89
|
40
|
59
|
58
|
70
|
70
|
63
|
|
2023/09
|
45
|
41
|
35
|
39
|
46
|
35
|
25
|
29
|
42
|
33
|
33
|
32
|
25
|
22
|
24
|
32
|
38
|
41
|
35
|
42
|
23
|
28
|
33
|
45
|
37
|
46
|
53
|
61
|
56
|
64
|
|
|
2023/08
|
24
|
24
|
34
|
43
|
38
|
28
|
34
|
33
|
33
|
39
|
43
|
33
|
32
|
44
|
34
|
37
|
41
|
47
|
60
|
53
|
39
|
31
|
34
|
38
|
48
|
29
|
28
|
23
|
46
|
50
|
43
|
|
2023/07
|
40
|
31
|
25
|
22
|
23
|
23
|
25
|
24
|
27
|
28
|
28
|
28
|
28
|
33
|
41
|
56
|
49
|
34
|
22
|
24
|
28
|
26
|
34
|
34
|
29
|
28
|
32
|
26
|
32
|
33
|
26
|
|
2023/06
|
41
|
57
|
61
|
63
|
43
|
39
|
52
|
26
|
29
|
35
|
47
|
54
|
33
|
41
|
46
|
53
|
25
|
21
|
22
|
31
|
25
|
22
|
25
|
28
|
24
|
22
|
23
|
28
|
27
|
34
|
|
|
2023/05
|
76
|
56
|
35
|
32
|
42
|
21
|
27
|
58
|
77
|
45
|
31
|
55
|
93
|
120
|
90
|
82
|
44
|
54
|
52
|
60
|
41
|
30
|
51
|
38
|
39
|
34
|
27
|
35
|
42
|
55
|
44
|
|
2023/04
|
52
|
35
|
25
|
21
|
24
|
28
|
51
|
78
|
69
|
66
|
44
|
48
|
55
|
42
|
80
|
76
|
60
|
42
|
32
|
45
|
43
|
29
|
14
|
16
|
22
|
36
|
47
|
38
|
62
|
87
|
|
|
2023/03
|
90
|
132
|
115
|
99
|
83
|
74
|
85
|
76
|
74
|
57
|
65
|
104
|
104
|
82
|
74
|
83
|
29
|
46
|
21
|
37
|
48
|
40
|
30
|
20
|
42
|
58
|
50
|
70
|
51
|
58
|
52
|
|
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