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
9 Sep
Wed
10 Sep
Thu
11 Sep
Fri
12 Sep
Sat
13 Sep
Sun
14 Sep
Mon
15 Sep
Real-time AQI (Monitoring Station in Huaihua)
林科所
233
PM2.5
9
PM10
73
O3
0.6
CO
5
SO2
4
NO2
河西地税局
223
PM2.5
6
PM10
68
O3
0.3
CO
4
SO2
4
NO2
市四医院
213
PM2.5
9
PM10
66
O3
0.4
CO
6
SO2
2
NO2
监测楼
236
PM2.5
9
PM10
73
O3
0.1
CO
4
SO2
4
NO2
Air quality in the last 12 months (Huaihua)
|
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
|
|
2024/12
|
51
|
56
|
88
|
90
|
23
|
32
|
39
|
51
|
58
|
21
|
36
|
61
|
68
|
50
|
55
|
56
|
72
|
68
|
69
|
72
|
89
|
74
|
55
|
72
|
75
|
77
|
81
|
117
|
122
|
101
|
86
|
|
2024/11
|
50
|
66
|
64
|
58
|
66
|
61
|
57
|
59
|
71
|
59
|
54
|
59
|
62
|
72
|
73
|
58
|
12
|
11
|
12
|
21
|
34
|
35
|
51
|
38
|
12
|
21
|
33
|
37
|
43
|
48
|
|
|
2024/10
|
14
|
42
|
58
|
48
|
55
|
58
|
40
|
38
|
43
|
51
|
58
|
74
|
63
|
35
|
42
|
33
|
40
|
29
|
18
|
14
|
19
|
15
|
29
|
40
|
45
|
43
|
49
|
52
|
57
|
55
|
57
|
|
2024/09
|
33
|
28
|
41
|
31
|
53
|
46
|
43
|
39
|
33
|
34
|
37
|
38
|
21
|
27
|
39
|
34
|
36
|
37
|
36
|
33
|
35
|
27
|
38
|
42
|
49
|
55
|
58
|
49
|
53
|
53
|
|
|
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