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 Feb
Sun
23 Feb
Mon
24 Feb
Tue
25 Feb
Wed
26 Feb
Thu
27 Feb
Fri
28 Feb
Real-time AQI (Monitoring Station in Huaihua)
河西地税局
1810
PM2.5
10
PM10
55
O3
0.8
CO
6
SO2
13
NO2
市四医院
173
PM2.5
7
PM10
53
O3
0.8
CO
2
SO2
8
NO2
监测楼
176
PM2.5
6
PM10
53
O3
0.7
CO
5
SO2
10
NO2
Air quality in the last 12 months (Huaihua)
|
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
|
|
2024/06
|
32
|
24
|
27
|
12
|
13
|
22
|
28
|
12
|
13
|
15
|
18
|
21
|
22
|
19
|
29
|
34
|
13
|
10
|
19
|
23
|
22
|
18
|
15
|
15
|
15
|
15
|
12
|
17
|
12
|
14
|
|
|
2024/05
|
20
|
30
|
12
|
11
|
21
|
37
|
47
|
51
|
42
|
33
|
21
|
52
|
48
|
55
|
60
|
70
|
54
|
29
|
14
|
14
|
30
|
44
|
41
|
36
|
36
|
22
|
18
|
42
|
18
|
8
|
24
|
|
2024/04
|
28
|
33
|
19
|
32
|
27
|
30
|
32
|
36
|
33
|
37
|
35
|
34
|
33
|
30
|
51
|
37
|
20
|
37
|
20
|
27
|
46
|
47
|
38
|
46
|
28
|
35
|
31
|
32
|
25
|
13
|
|
|
2024/03
|
73
|
48
|
49
|
23
|
20
|
72
|
74
|
58
|
54
|
53
|
49
|
52
|
38
|
47
|
37
|
29
|
22
|
18
|
43
|
74
|
68
|
45
|
33
|
41
|
19
|
22
|
35
|
24
|
39
|
42
|
30
|
|
2024/02
|
23
|
15
|
17
|
36
|
49
|
54
|
63
|
77
|
94
|
131
|
101
|
101
|
72
|
37
|
47
|
53
|
46
|
33
|
79
|
49
|
13
|
23
|
24
|
28
|
28
|
32
|
49
|
45
|
54
|
||
|
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