Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Thu
5 Feb
Fri
6 Feb
Sat
7 Feb
Huaihua Air quality rank
Real-time AQI (Monitoring Station in Huaihua)
市四医院
6446 *
PM2.5
62
PM10
19
O3
0.9
CO
7
SO2
20
NO2
监测楼
6950 *
PM2.5
63
PM10
22
O3
0.4
CO
3
SO2
22
NO2
Air quality in the last 12 months (Huaihua)
|
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
|
|
2025/07
|
20
|
18
|
19
|
23
|
29
|
36
|
33
|
35
|
39
|
28
|
30
|
36
|
31
|
30
|
22
|
26
|
28
|
29
|
32
|
32
|
11
|
10
|
14
|
21
|
21
|
31
|
32
|
26
|
30
|
28
|
30
|
|
2025/06
|
19
|
26
|
39
|
38
|
45
|
40
|
26
|
22
|
33
|
39
|
39
|
30
|
29
|
24
|
23
|
33
|
17
|
14
|
14
|
15
|
14
|
9
|
11
|
12
|
25
|
30
|
21
|
19
|
19
|
21
|
|
|
2025/05
|
45
|
63
|
57
|
48
|
39
|
53
|
57
|
36
|
21
|
32
|
35
|
53
|
52
|
56
|
51
|
29
|
45
|
37
|
45
|
28
|
26
|
28
|
39
|
54
|
52
|
34
|
30
|
11
|
29
|
31
|
23
|
|
2025/04
|
51
|
57
|
68
|
76
|
85
|
77
|
73
|
85
|
72
|
61
|
57
|
45
|
123
|
113
|
88
|
82
|
72
|
65
|
27
|
35
|
44
|
32
|
56
|
35
|
42
|
44
|
29
|
42
|
55
|
29
|
|
|
2025/03
|
35
|
32
|
11
|
19
|
23
|
32
|
26
|
35
|
46
|
41
|
29
|
37
|
48
|
25
|
17
|
42
|
42
|
42
|
42
|
43
|
50
|
63
|
66
|
65
|
74
|
73
|
81
|
75
|
46
|
20
|
39
|
|
2025/02
|
27
|
18
|
42
|
56
|
66
|
69
|
53
|
79
|
53
|
50
|
39
|
49
|
65
|
44
|
37
|
49
|
32
|
34
|
38
|
35
|
94
|
28
|
45
|
84
|
40
|
34
|
28
|
32
|
|||
|
2025/01
|
117
|
114
|
133
|
174
|
154
|
99
|
79
|
51
|
45
|
67
|
73
|
78
|
89
|
86
|
79
|
70
|
73
|
114
|
102
|
94
|
110
|
143
|
177
|
149
|
18
|
24
|
46
|
93
|
256
|
123
|
44
|
|
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