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
23 Aug
Mon
24 Aug
Tue
25 Aug
Wed
26 Aug
Thu
27 Aug
Fri
28 Aug
Sat
29 Aug
Real-time AQI (Monitoring Station in Hengyang)
衡阳化工总厂
3625
PM2.5
34
PM10
55
O3
0.7
CO
17
SO2
9
NO2
珠晖区环保局
2616
PM2.5
26
PM10
48
O3
0.9
CO
15
SO2
15
NO2
市委党校
3119
PM2.5
31
PM10
63
O3
0.9
CO
14
SO2
9
NO2
市监测站
3624
PM2.5
36
PM10
60
O3
0.7
CO
9
SO2
12
NO2
真空机电公司
3625
PM2.5
30
PM10
66
O3
1.0
CO
6
SO2
10
NO2
师范学院
2618
PM2.5
24
PM10
59
O3
0.9
CO
14
SO2
7
NO2
Air quality in the last 12 months (Hengyang)
|
2026/07
|
27
|
27
|
23
|
19
|
17
|
15
|
15
|
16
|
20
|
25
|
28
|
35
|
41
|
32
|
20
|
21
|
21
|
23
|
20
|
21
|
21
|
26
|
24
|
33
|
39
|
30
|
13
|
18
|
20
|
16
|
15
|
|
2026/06
|
53
|
51
|
35
|
25
|
27
|
30
|
39
|
24
|
28
|
36
|
47
|
50
|
34
|
25
|
33
|
42
|
44
|
18
|
15
|
21
|
23
|
26
|
20
|
19
|
25
|
29
|
38
|
48
|
47
|
23
|
|
|
2026/05
|
42
|
32
|
30
|
43
|
58
|
50
|
32
|
36
|
37
|
56
|
67
|
80
|
27
|
30
|
41
|
35
|
18
|
19
|
27
|
22
|
29
|
21
|
23
|
22
|
27
|
32
|
29
|
35
|
41
|
46
|
54
|
|
2026/04
|
41
|
40
|
25
|
44
|
62
|
37
|
43
|
56
|
51
|
41
|
25
|
31
|
39
|
22
|
26
|
23
|
39
|
43
|
52
|
43
|
15
|
18
|
28
|
44
|
49
|
57
|
61
|
42
|
27
|
32
|
|
|
2026/03
|
15
|
23
|
43
|
73
|
52
|
57
|
71
|
33
|
32
|
71
|
51
|
56
|
59
|
59
|
108
|
27
|
39
|
22
|
32
|
26
|
42
|
35
|
29
|
28
|
87
|
38
|
42
|
42
|
49
|
26
|
29
|
|
2026/02
|
49
|
59
|
64
|
88
|
106
|
73
|
72
|
58
|
57
|
61
|
71
|
81
|
74
|
69
|
78
|
23
|
97
|
75
|
53
|
49
|
70
|
79
|
57
|
37
|
51
|
32
|
20
|
24
|
|||
|
2026/01
|
40
|
60
|
70
|
71
|
63
|
86
|
79
|
67
|
72
|
104
|
117
|
107
|
130
|
98
|
107
|
133
|
115
|
125
|
37
|
22
|
53
|
67
|
68
|
50
|
65
|
64
|
138
|
86
|
59
|
30
|
42
|
|
2025/12
|
87
|
117
|
88
|
65
|
81
|
93
|
112
|
125
|
130
|
148
|
132
|
147
|
30
|
54
|
58
|
64
|
79
|
134
|
104
|
81
|
94
|
100
|
58
|
51
|
62
|
62
|
77
|
90
|
101
|
132
|
168
|
|
2025/11
|
49
|
42
|
27
|
31
|
34
|
29
|
47
|
13
|
11
|
18
|
41
|
54
|
45
|
49
|
55
|
65
|
67
|
29
|
34
|
45
|
54
|
63
|
76
|
64
|
59
|
66
|
81
|
86
|
80
|
77
|
|
|
2025/10
|
65
|
56
|
35
|
51
|
46
|
28
|
52
|
57
|
46
|
54
|
57
|
106
|
78
|
51
|
63
|
49
|
45
|
19
|
10
|
10
|
10
|
24
|
39
|
42
|
55
|
68
|
71
|
64
|
74
|
88
|
61
|
|
2025/09
|
25
|
28
|
33
|
39
|
43
|
39
|
43
|
38
|
24
|
28
|
23
|
25
|
27
|
35
|
41
|
41
|
35
|
36
|
30
|
22
|
25
|
22
|
27
|
12
|
16
|
24
|
40
|
52
|
64
|
48
|
|
|
2025/08
|
36
|
41
|
24
|
23
|
26
|
16
|
17
|
21
|
27
|
30
|
36
|
47
|
35
|
24
|
14
|
27
|
28
|
23
|
14
|
21
|
19
|
23
|
29
|
24
|
24
|
23
|
35
|
32
|
30
|
25
|
26
|
|
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