Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
32
O3
0.6
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
46
Excellent
Sat
27 Apr
49
Excellent
Sun
28 Apr
62
Good
Mon
29 Apr
46
Excellent
Tue
30 Apr
42
Excellent
Wed
1 May
46
Excellent
Air quality in the last 12 months (Sangzhi)
|
2024/02
|
24
|
18
|
20
|
25
|
50
|
53
|
63
|
72
|
54
|
96
|
63
|
59
|
61
|
55
|
50
|
49
|
46
|
51
|
103
|
27
|
16
|
26
|
30
|
24
|
35
|
58
|
60
|
60
|
66
|
||
|
2024/01
|
58
|
40
|
28
|
42
|
58
|
70
|
81
|
81
|
59
|
61
|
54
|
61
|
63
|
73
|
91
|
34
|
20
|
16
|
15
|
20
|
55
|
37
|
44
|
42
|
43
|
37
|
39
|
50
|
59
|
57
|
71
|
|
2023/12
|
30
|
22
|
34
|
36
|
36
|
44
|
45
|
54
|
63
|
49
|
18
|
25
|
17
|
13
|
14
|
41
|
38
|
27
|
30
|
52
|
78
|
66
|
67
|
58
|
60
|
61
|
78
|
111
|
149
|
69
|
60
|
|
2023/11
|
24
|
32
|
41
|
44
|
34
|
22
|
24
|
23
|
32
|
30
|
12
|
29
|
29
|
27
|
25
|
24
|
43
|
43
|
35
|
35
|
36
|
40
|
57
|
61
|
53
|
56
|
51
|
46
|
57
|
49
|
|
|
2023/10
|
21
|
20
|
18
|
20
|
25
|
25
|
22
|
19
|
24
|
27
|
32
|
40
|
32
|
28
|
27
|
33
|
43
|
47
|
60
|
27
|
31
|
34
|
38
|
40
|
34
|
20
|
17
|
25
|
23
|
19
|
22
|
|
2023/09
|
36
|
35
|
32
|
34
|
39
|
33
|
32
|
34
|
29
|
33
|
46
|
26
|
23
|
30
|
27
|
24
|
24
|
25
|
20
|
24
|
26
|
18
|
20
|
11
|
14
|
17
|
18
|
26
|
32
|
16
|
|
|
2023/08
|
18
|
18
|
20
|
21
|
20
|
19
|
25
|
26
|
32
|
32
|
31
|
30
|
24
|
25
|
29
|
31
|
28
|
40
|
42
|
39
|
30
|
25
|
30
|
36
|
37
|
34
|
21
|
22
|
25
|
29
|
31
|
|
2023/07
|
18
|
25
|
23
|
19
|
18
|
20
|
20
|
16
|
17
|
21
|
26
|
25
|
25
|
24
|
34
|
38
|
39
|
36
|
24
|
18
|
20
|
17
|
22
|
22
|
15
|
14
|
23
|
22
|
21
|
18
|
22
|
|
2023/06
|
31
|
34
|
44
|
47
|
21
|
17
|
16
|
22
|
25
|
30
|
34
|
33
|
30
|
30
|
31
|
28
|
19
|
15
|
14
|
18
|
25
|
33
|
20
|
25
|
29
|
28
|
22
|
15
|
19
|
16
|
|
|
2023/05
|
47
|
45
|
34
|
32
|
23
|
23
|
28
|
32
|
33
|
33
|
26
|
26
|
37
|
45
|
46
|
25
|
22
|
35
|
40
|
36
|
29
|
22
|
23
|
24
|
31
|
20
|
20
|
26
|
31
|
20
|
26
|
|
2023/04
|
34
|
45
|
23
|
24
|
24
|
29
|
46
|
71
|
67
|
58
|
57
|
93
|
84
|
70
|
53
|
48
|
48
|
35
|
41
|
46
|
42
|
24
|
21
|
19
|
19
|
23
|
29
|
36
|
56
|
57
|
|
|
2023/03
|
63
|
69
|
59
|
47
|
48
|
47
|
44
|
32
|
34
|
33
|
29
|
92
|
51
|
37
|
56
|
75
|
20
|
25
|
18
|
21
|
18
|
29
|
30
|
47
|
49
|
52
|
49
|
31
|
38
|
34
|
38
|
|
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