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
23 Jul
Thu
24 Jul
Fri
25 Jul
Sat
26 Jul
Sun
27 Jul
Mon
28 Jul
Tue
29 Jul
Huaihua Air quality rank
Real-time AQI (Monitoring Station in Huaihua)
林科所
173
PM2.5
17
PM10
11
O3
0.3
CO
5
SO2
5
NO2
市四医院
93
PM2.5
7
PM10
28
O3
0.4
CO
7
SO2
3
NO2
监测楼
136
PM2.5
13
PM10
27
O3
0.1
CO
11
SO2
6
NO2
市委党校
113
PM2.5
11
PM10
23
O3
0.3
CO
11
SO2
5
NO2
Air quality in the last 12 months (Huaihua)
|
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
|
|
|
2024/08
|
12
|
16
|
17
|
22
|
25
|
23
|
27
|
25
|
24
|
23
|
18
|
45
|
39
|
47
|
44
|
37
|
40
|
35
|
24
|
32
|
31
|
21
|
16
|
15
|
21
|
22
|
25
|
25
|
32
|
32
|
40
|
|
2024/07
|
13
|
14
|
17
|
17
|
17
|
13
|
15
|
15
|
18
|
19
|
23
|
21
|
21
|
18
|
21
|
20
|
18
|
16
|
11
|
16
|
25
|
25
|
20
|
24
|
27
|
27
|
27
|
17
|
12
|
17
|
15
|
|
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