Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
11
O3
0.6
CO
3
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
128
Light
Tue
20 Jan
55
Good
Wed
21 Jan
60
Good
Thu
22 Jan
80
Good
Fri
23 Jan
82
Good
Sat
24 Jan
85
Good
Sun
25 Jan
28
Excellent
Air quality in the last 12 months (Xiangtan County)
|
2025/11
|
65
|
54
|
41
|
55
|
65
|
38
|
78
|
10
|
13
|
20
|
56
|
55
|
47
|
58
|
61
|
72
|
63
|
27
|
31
|
46
|
55
|
62
|
71
|
59
|
64
|
71
|
89
|
85
|
71
|
69
|
|
|
2025/10
|
51
|
51
|
41
|
41
|
50
|
36
|
55
|
60
|
55
|
63
|
91
|
171
|
83
|
57
|
65
|
40
|
31
|
9
|
8
|
9
|
15
|
29
|
35
|
41
|
75
|
80
|
80
|
70
|
78
|
80
|
71
|
|
2025/09
|
34
|
30
|
30
|
36
|
35
|
34
|
44
|
32
|
30
|
31
|
26
|
23
|
33
|
37
|
35
|
36
|
35
|
27
|
23
|
22
|
27
|
22
|
29
|
15
|
16
|
23
|
35
|
45
|
46
|
39
|
|
|
2025/08
|
39
|
54
|
29
|
21
|
22
|
13
|
16
|
19
|
30
|
32
|
39
|
37
|
31
|
23
|
15
|
27
|
31
|
32
|
17
|
16
|
18
|
19
|
25
|
23
|
22
|
23
|
26
|
27
|
29
|
43
|
36
|
|
2025/07
|
13
|
15
|
24
|
31
|
43
|
41
|
52
|
50
|
40
|
20
|
24
|
26
|
28
|
30
|
32
|
28
|
30
|
35
|
32
|
22
|
16
|
13
|
16
|
21
|
25
|
30
|
17
|
27
|
27
|
21
|
29
|
|
2025/06
|
16
|
27
|
45
|
51
|
49
|
44
|
31
|
28
|
33
|
40
|
30
|
17
|
31
|
19
|
19
|
26
|
15
|
17
|
18
|
17
|
20
|
12
|
18
|
20
|
35
|
28
|
21
|
17
|
20
|
21
|
|
|
2025/05
|
66
|
64
|
66
|
61
|
56
|
61
|
75
|
47
|
34
|
55
|
50
|
51
|
49
|
56
|
87
|
29
|
29
|
35
|
39
|
19
|
24
|
37
|
32
|
53
|
56
|
51
|
60
|
20
|
27
|
31
|
24
|
|
2025/04
|
66
|
65
|
67
|
78
|
85
|
89
|
74
|
78
|
83
|
78
|
59
|
233
|
156
|
137
|
88
|
68
|
79
|
74
|
39
|
65
|
33
|
50
|
64
|
36
|
38
|
44
|
49
|
54
|
69
|
50
|
|
|
2025/03
|
36
|
39
|
12
|
36
|
50
|
66
|
53
|
57
|
68
|
58
|
52
|
85
|
85
|
24
|
36
|
52
|
46
|
44
|
49
|
64
|
68
|
66
|
93
|
86
|
74
|
83
|
87
|
63
|
62
|
28
|
61
|
|
2025/02
|
59
|
52
|
73
|
79
|
75
|
73
|
75
|
45
|
50
|
56
|
76
|
88
|
112
|
111
|
67
|
68
|
64
|
48
|
51
|
54
|
126
|
35
|
66
|
82
|
109
|
101
|
71
|
65
|
|||
|
2025/01
|
140
|
139
|
189
|
221
|
93
|
90
|
90
|
79
|
62
|
56
|
72
|
81
|
84
|
78
|
87
|
67
|
74
|
91
|
125
|
133
|
126
|
107
|
256
|
203
|
18
|
39
|
61
|
103
|
266
|
107
|
61
|
|
2024/12
|
65
|
83
|
146
|
154
|
56
|
70
|
69
|
100
|
86
|
68
|
69
|
105
|
118
|
63
|
62
|
76
|
81
|
99
|
100
|
125
|
118
|
90
|
79
|
109
|
132
|
138
|
178
|
104
|
95
|
129
|
153
|
|
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
Air quality source: CNEMC
*: primary pollution