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
30 Aug
Sun
31 Aug
Mon
1 Sep
Tue
2 Sep
Wed
3 Sep
Thu
4 Sep
Fri
5 Sep
Real-time AQI (Monitoring Station in Huaihua)
林科所
2414
PM2.5
24
PM10
47
O3
0.5
CO
4
SO2
5
NO2
河西地税局
3523
PM2.5
35
PM10
34
O3
0.3
CO
3
SO2
13
NO2
市四医院
3323
PM2.5
33
PM10
39
O3
0.0
CO
7
SO2
9
NO2
市委党校
3020
PM2.5
30
PM10
28
O3
0.4
CO
7
SO2
17
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