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
22 Aug
Sun
23 Aug
Mon
24 Aug
Tue
25 Aug
Wed
26 Aug
Thu
27 Aug
Fri
28 Aug
Real-time AQI (Monitoring Station in Huaihua)
市四医院
4531
PM2.5
42
PM10
67
O3
0.4
CO
16
SO2
9
NO2
监测楼
5236 *
PM2.5
46
PM10
53
O3
0.4
CO
22
SO2
9
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
*: primary pollution