Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
32
O3
0.4
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Aug
49
Excellent
Wed
26 Aug
49
Excellent
Thu
27 Aug
51
Good
Fri
28 Aug
51
Good
Sat
29 Aug
61
Good
Sun
30 Aug
41
Excellent
Mon
31 Aug
21
Excellent
Real-time AQI (Monitoring Station in Huaihua)
监测楼
176
PM2.5
17
PM10
32
O3
0.4
CO
3
SO2
8
NO2
Air quality in the last 12 months (Huaihua)
|
2026/07
|
20
|
24
|
21
|
27
|
18
|
18
|
17
|
17
|
18
|
19
|
27
|
29
|
28
|
32
|
34
|
19
|
19
|
19
|
17
|
30
|
29
|
26
|
24
|
25
|
31
|
32
|
22
|
19
|
24
|
18
|
14
|
|
2026/06
|
34
|
40
|
35
|
30
|
37
|
40
|
25
|
31
|
26
|
28
|
32
|
29
|
19
|
23
|
31
|
36
|
41
|
38
|
15
|
18
|
18
|
21
|
18
|
17
|
21
|
29
|
37
|
37
|
38
|
24
|
|
|
2026/05
|
39
|
36
|
29
|
36
|
42
|
44
|
43
|
32
|
34
|
43
|
58
|
55
|
20
|
29
|
39
|
61
|
37
|
19
|
18
|
20
|
28
|
33
|
47
|
42
|
29
|
30
|
23
|
29
|
25
|
33
|
39
|
|
2026/04
|
33
|
34
|
23
|
44
|
63
|
31
|
44
|
63
|
70
|
47
|
24
|
28
|
28
|
25
|
19
|
19
|
28
|
40
|
47
|
31
|
22
|
16
|
25
|
31
|
46
|
57
|
33
|
23
|
30
|
35
|
|
|
2026/03
|
9
|
16
|
30
|
32
|
35
|
54
|
57
|
16
|
27
|
52
|
33
|
51
|
63
|
58
|
50
|
16
|
16
|
21
|
39
|
32
|
35
|
20
|
22
|
24
|
27
|
25
|
21
|
33
|
35
|
21
|
31
|
|
2026/02
|
60
|
74
|
73
|
86
|
86
|
89
|
93
|
67
|
52
|
37
|
49
|
75
|
63
|
48
|
52
|
23
|
46
|
61
|
46
|
40
|
53
|
52
|
30
|
47
|
60
|
17
|
19
|
20
|
|||
|
2026/01
|
30
|
61
|
62
|
34
|
49
|
56
|
61
|
70
|
74
|
121
|
110
|
112
|
101
|
97
|
118
|
142
|
130
|
136
|
57
|
30
|
47
|
66
|
75
|
85
|
65
|
33
|
74
|
85
|
71
|
19
|
50
|
|
2025/12
|
65
|
92
|
73
|
61
|
57
|
60
|
65
|
64
|
74
|
89
|
90
|
143
|
36
|
51
|
57
|
65
|
68
|
80
|
72
|
69
|
45
|
52
|
36
|
45
|
63
|
57
|
58
|
66
|
85
|
100
|
85
|
|
2025/11
|
38
|
23
|
17
|
22
|
30
|
20
|
15
|
7
|
8
|
12
|
45
|
48
|
44
|
48
|
51
|
56
|
49
|
26
|
32
|
39
|
38
|
43
|
39
|
41
|
53
|
55
|
64
|
66
|
57
|
58
|
|
|
2025/10
|
40
|
25
|
24
|
28
|
33
|
26
|
25
|
43
|
34
|
33
|
35
|
52
|
37
|
25
|
35
|
22
|
23
|
10
|
12
|
9
|
10
|
30
|
39
|
40
|
51
|
39
|
30
|
44
|
55
|
52
|
39
|
|
2025/09
|
30
|
27
|
26
|
24
|
35
|
33
|
35
|
35
|
15
|
17
|
22
|
18
|
20
|
25
|
28
|
26
|
25
|
22
|
21
|
18
|
31
|
25
|
17
|
18
|
20
|
14
|
24
|
34
|
31
|
23
|
|
|
2025/08
|
32
|
38
|
34
|
29
|
32
|
21
|
14
|
19
|
25
|
24
|
29
|
21
|
21
|
20
|
14
|
20
|
31
|
36
|
24
|
22
|
16
|
20
|
25
|
28
|
22
|
26
|
25
|
26
|
31
|
34
|
29
|
|
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
Air quality source: CNEMC
*: primary pollution