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
11 Sep
Sat
12 Sep
Sun
13 Sep
Mon
14 Sep
Tue
15 Sep
Wed
16 Sep
Thu
17 Sep
Real-time AQI (Monitoring Station in Hengyang)
衡阳化工总厂
4225
PM2.5
42
PM10
111
O3
0.7
CO
9
SO2
8
NO2
珠晖区环保局
5020
PM2.5
50
PM10
112
O3
0.7
CO
5
SO2
10
NO2
市委党校
4926
PM2.5
49
PM10
123
O3
0.8
CO
9
SO2
7
NO2
市监测站
5330
PM2.5
54 *
PM10
113
O3
0.7
CO
6
SO2
8
NO2
真空机电公司
3924
PM2.5
39
PM10
107
O3
0.6
CO
7
SO2
6
NO2
师范学院
5227
PM2.5
52 *
PM10
120
O3
0.7
CO
7
SO2
7
NO2
Air quality in the last 12 months (Hengyang)
|
2026/08
|
17
|
14
|
18
|
20
|
23
|
32
|
36
|
35
|
37
|
36
|
24
|
22
|
16
|
19
|
22
|
38
|
45
|
36
|
30
|
34
|
41
|
34
|
27
|
21
|
25
|
32
|
39
|
35
|
35
|
27
|
27
|
|
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
|
|
|
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