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
20 Mar
Sat
21 Mar
Sun
22 Mar
Mon
23 Mar
Tue
24 Mar
Wed
25 Mar
Thu
26 Mar
Real-time AQI (Monitoring Station in Xiangxi Prefecture)
州政府
3825
PM2.5
38
PM10
18
O3
0.6
CO
3
SO2
11
NO2
吉首市计生局
3625
PM2.5
31
PM10
25
O3
0.6
CO
4
SO2
18
NO2
Air quality in the last 12 months (Xiangxi Prefecture)
|
2026/02
|
50
|
68
|
72
|
89
|
95
|
86
|
119
|
71
|
54
|
56
|
58
|
65
|
72
|
63
|
54
|
27
|
47
|
60
|
51
|
54
|
55
|
52
|
40
|
52
|
56
|
17
|
24
|
19
|
|||
|
2026/01
|
31
|
57
|
69
|
41
|
48
|
46
|
48
|
50
|
55
|
72
|
64
|
85
|
89
|
93
|
84
|
87
|
90
|
130
|
43
|
32
|
57
|
66
|
73
|
80
|
63
|
35
|
66
|
82
|
58
|
21
|
53
|
|
2025/12
|
52
|
85
|
76
|
52
|
54
|
52
|
53
|
54
|
62
|
77
|
73
|
145
|
28
|
39
|
46
|
53
|
60
|
68
|
68
|
68
|
32
|
56
|
25
|
42
|
53
|
54
|
54
|
56
|
79
|
95
|
71
|
|
2025/11
|
25
|
25
|
15
|
21
|
25
|
17
|
14
|
9
|
12
|
21
|
38
|
37
|
34
|
41
|
43
|
42
|
46
|
18
|
26
|
28
|
29
|
35
|
41
|
33
|
49
|
48
|
47
|
48
|
50
|
46
|
|
|
2025/10
|
27
|
26
|
25
|
24
|
36
|
29
|
30
|
39
|
39
|
32
|
36
|
51
|
24
|
15
|
25
|
18
|
19
|
8
|
8
|
7
|
7
|
27
|
32
|
36
|
48
|
35
|
27
|
31
|
43
|
40
|
31
|
|
2025/09
|
25
|
25
|
28
|
21
|
28
|
30
|
29
|
34
|
14
|
12
|
19
|
21
|
24
|
24
|
25
|
26
|
29
|
17
|
15
|
12
|
24
|
24
|
17
|
20
|
20
|
17
|
22
|
26
|
24
|
21
|
|
|
2025/08
|
29
|
29
|
27
|
30
|
30
|
27
|
16
|
13
|
22
|
23
|
23
|
15
|
19
|
21
|
14
|
17
|
24
|
29
|
20
|
17
|
15
|
24
|
23
|
23
|
21
|
23
|
21
|
23
|
26
|
27
|
23
|
|
2025/07
|
18
|
16
|
16
|
16
|
22
|
23
|
27
|
30
|
33
|
26
|
30
|
33
|
31
|
22
|
20
|
18
|
22
|
26
|
31
|
29
|
13
|
11
|
13
|
17
|
16
|
22
|
24
|
21
|
26
|
21
|
25
|
|
2025/06
|
10
|
25
|
31
|
30
|
34
|
39
|
27
|
22
|
29
|
28
|
27
|
28
|
18
|
25
|
21
|
29
|
19
|
15
|
15
|
18
|
11
|
14
|
16
|
23
|
22
|
17
|
18
|
19
|
21
|
20
|
|
|
2025/05
|
43
|
59
|
55
|
43
|
32
|
43
|
62
|
31
|
20
|
22
|
30
|
40
|
44
|
57
|
37
|
25
|
37
|
44
|
47
|
41
|
31
|
29
|
34
|
54
|
46
|
34
|
23
|
12
|
23
|
24
|
25
|
|
2025/04
|
43
|
49
|
53
|
66
|
63
|
61
|
63
|
74
|
65
|
55
|
63
|
39
|
141
|
100
|
80
|
73
|
65
|
62
|
29
|
43
|
40
|
38
|
45
|
34
|
44
|
37
|
27
|
34
|
46
|
22
|
|
|
2025/03
|
45
|
38
|
11
|
20
|
24
|
29
|
33
|
23
|
35
|
44
|
49
|
53
|
61
|
37
|
17
|
39
|
52
|
29
|
31
|
33
|
40
|
58
|
48
|
52
|
58
|
75
|
88
|
77
|
56
|
33
|
51
|
|
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