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 Huaihua)
市四医院
3014
PM2.5
30
PM10
90
O3
0.4
CO
9
SO2
8
NO2
监测楼
3319
PM2.5
33
PM10
88
O3
0.4
CO
6
SO2
9
NO2
Air quality in the last 12 months (Huaihua)
|
2026/08
|
19
|
20
|
27
|
26
|
22
|
26
|
31
|
34
|
39
|
36
|
29
|
23
|
18
|
19
|
27
|
36
|
34
|
38
|
35
|
38
|
41
|
35
|
30
|
29
|
19
|
30
|
32
|
29
|
32
|
27
|
38
|
|
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
|
|
|
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