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
21 Jun
Mon
22 Jun
Tue
23 Jun
Wed
24 Jun
Thu
25 Jun
Fri
26 Jun
Sat
27 Jun
Real-time AQI (Monitoring Station in Hengyang)
衡阳化工总厂
206
PM2.5
8
PM10
63
O3
0.8
CO
1
SO2
1
NO2
珠晖区环保局
203
PM2.5
20
PM10
64
O3
0.7
CO
5
SO2
2
NO2
市委党校
203
PM2.5
13
PM10
64
O3
0.5
CO
9
SO2
2
NO2
市监测站
203
PM2.5
15
PM10
63
O3
0.7
CO
6
SO2
3
NO2
真空机电公司
213
PM2.5
18
PM10
65
O3
0.8
CO
4
SO2
2
NO2
师范学院
226
PM2.5
18
PM10
69
O3
0.5
CO
8
SO2
1
NO2
Air quality in the last 12 months (Hengyang)
|
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
|
|
2025/07
|
17
|
16
|
23
|
31
|
42
|
44
|
50
|
41
|
39
|
28
|
27
|
29
|
31
|
35
|
26
|
26
|
30
|
40
|
38
|
33
|
23
|
14
|
16
|
26
|
26
|
29
|
21
|
25
|
25
|
24
|
26
|
|
2025/06
|
18
|
23
|
37
|
47
|
51
|
43
|
32
|
27
|
37
|
41
|
40
|
24
|
35
|
20
|
16
|
25
|
16
|
13
|
17
|
22
|
24
|
15
|
27
|
21
|
39
|
34
|
17
|
17
|
19
|
21
|
|
|
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