Air Quality
Excellent
No health implications.
25
PM2.5
49
PM10
83
O3
0.5
CO
9
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
70
Good
Fri
20 Mar
82
Good
Sat
21 Mar
96
Good
Sun
22 Mar
75
Good
Mon
23 Mar
91
Good
Tue
24 Mar
95
Good
Wed
25 Mar
38
Excellent
Air quality in the last 12 months (Hunnan)
|
2026/02
|
115
|
51
|
69
|
136
|
122
|
50
|
53
|
65
|
60
|
90
|
94
|
113
|
137
|
94
|
59
|
49
|
143
|
37
|
53
|
67
|
76
|
102
|
48
|
76
|
85
|
82
|
112
|
83
|
|||
|
2026/01
|
57
|
93
|
108
|
136
|
111
|
80
|
45
|
51
|
66
|
48
|
27
|
37
|
29
|
52
|
68
|
54
|
32
|
43
|
33
|
51
|
60
|
54
|
66
|
52
|
53
|
121
|
40
|
63
|
79
|
103
|
104
|
|
2025/12
|
52
|
33
|
29
|
53
|
57
|
90
|
123
|
37
|
58
|
118
|
43
|
69
|
82
|
122
|
64
|
77
|
84
|
67
|
63
|
36
|
35
|
50
|
41
|
61
|
39
|
49
|
87
|
99
|
34
|
33
|
25
|
|
2025/11
|
68
|
42
|
48
|
59
|
89
|
71
|
119
|
130
|
51
|
39
|
47
|
103
|
44
|
88
|
89
|
57
|
44
|
51
|
72
|
46
|
54
|
84
|
121
|
217
|
54
|
65
|
42
|
54
|
61
|
47
|
|
|
2025/10
|
43
|
49
|
49
|
52
|
25
|
33
|
39
|
28
|
37
|
50
|
75
|
58
|
67
|
85
|
79
|
51
|
69
|
27
|
24
|
24
|
41
|
54
|
52
|
69
|
108
|
46
|
34
|
84
|
79
|
44
|
48
|
|
2025/09
|
46
|
48
|
46
|
41
|
40
|
27
|
32
|
34
|
39
|
35
|
51
|
42
|
48
|
39
|
27
|
29
|
20
|
39
|
39
|
32
|
47
|
49
|
36
|
30
|
43
|
58
|
61
|
42
|
50
|
44
|
|
|
2025/08
|
35
|
27
|
24
|
16
|
24
|
20
|
27
|
27
|
28
|
31
|
28
|
34
|
29
|
32
|
35
|
19
|
20
|
29
|
32
|
21
|
24
|
17
|
40
|
20
|
13
|
22
|
30
|
17
|
29
|
47
|
24
|
|
2025/07
|
17
|
23
|
16
|
22
|
25
|
16
|
28
|
33
|
44
|
49
|
42
|
41
|
24
|
21
|
22
|
28
|
25
|
29
|
31
|
20
|
23
|
26
|
14
|
19
|
32
|
33
|
33
|
33
|
22
|
14
|
39
|
|
2025/06
|
41
|
51
|
35
|
18
|
43
|
38
|
17
|
39
|
40
|
20
|
28
|
31
|
26
|
36
|
37
|
16
|
29
|
33
|
38
|
22
|
22
|
31
|
41
|
44
|
51
|
38
|
38
|
25
|
33
|
15
|
|
|
2025/05
|
27
|
36
|
38
|
46
|
46
|
36
|
57
|
51
|
60
|
50
|
66
|
62
|
68
|
59
|
52
|
50
|
37
|
33
|
46
|
51
|
51
|
70
|
36
|
64
|
43
|
56
|
48
|
51
|
49
|
58
|
56
|
|
2025/04
|
85
|
57
|
69
|
57
|
41
|
59
|
74
|
73
|
90
|
75
|
55
|
33
|
18
|
27
|
56
|
64
|
74
|
41
|
42
|
45
|
54
|
26
|
52
|
64
|
47
|
57
|
44
|
50
|
66
|
67
|
|
|
2025/03
|
87
|
35
|
41
|
59
|
87
|
76
|
72
|
80
|
110
|
88
|
65
|
72
|
58
|
56
|
49
|
49
|
78
|
60
|
69
|
76
|
71
|
78
|
156
|
66
|
106
|
151
|
47
|
34
|
31
|
28
|
62
|
|
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