Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
79
*
PM10
71
O3
0.5
CO
5
SO2
36
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Dec
171
Moderate
Sun
29 Dec
90
Good
Mon
30 Dec
93
Good
Tue
31 Dec
101
Light
Wed
1 Jan
132
Light
Thu
2 Jan
116
Light
Fri
3 Jan
72
Good
Changsha County Air quality rank
Air quality in the last 12 months (Changsha County)
|
2024/11
|
85
|
134
|
119
|
98
|
102
|
88
|
63
|
67
|
103
|
96
|
83
|
86
|
93
|
150
|
142
|
127
|
19
|
15
|
35
|
42
|
47
|
65
|
68
|
91
|
35
|
31
|
42
|
53
|
57
|
60
|
|
|
2024/10
|
35
|
58
|
59
|
45
|
53
|
92
|
61
|
45
|
63
|
80
|
76
|
107
|
202
|
62
|
94
|
95
|
51
|
41
|
28
|
42
|
37
|
19
|
42
|
45
|
66
|
68
|
81
|
158
|
98
|
63
|
69
|
|
2024/09
|
46
|
43
|
58
|
55
|
42
|
50
|
45
|
34
|
38
|
35
|
44
|
33
|
31
|
41
|
48
|
47
|
50
|
49
|
45
|
49
|
39
|
38
|
41
|
54
|
64
|
78
|
96
|
56
|
42
|
52
|
|
|
2024/08
|
23
|
26
|
26
|
31
|
34
|
31
|
34
|
37
|
38
|
42
|
43
|
37
|
30
|
35
|
38
|
25
|
35
|
20
|
31
|
35
|
44
|
37
|
28
|
32
|
39
|
40
|
44
|
28
|
32
|
43
|
43
|
|
2024/07
|
23
|
30
|
30
|
21
|
23
|
25
|
28
|
26
|
30
|
32
|
35
|
35
|
35
|
28
|
32
|
29
|
25
|
23
|
20
|
23
|
27
|
25
|
30
|
39
|
41
|
36
|
25
|
10
|
14
|
15
|
19
|
|
2024/06
|
24
|
36
|
45
|
21
|
27
|
31
|
39
|
39
|
30
|
18
|
23
|
24
|
29
|
27
|
27
|
27
|
19
|
23
|
19
|
26
|
28
|
29
|
36
|
15
|
13
|
16
|
23
|
25
|
26
|
15
|
|
|
2024/05
|
48
|
49
|
28
|
18
|
46
|
39
|
55
|
78
|
55
|
64
|
55
|
103
|
91
|
62
|
65
|
73
|
66
|
53
|
51
|
35
|
57
|
25
|
37
|
45
|
37
|
35
|
27
|
30
|
34
|
17
|
40
|
|
2024/04
|
35
|
27
|
55
|
68
|
79
|
74
|
72
|
66
|
41
|
48
|
61
|
51
|
48
|
39
|
67
|
40
|
48
|
51
|
36
|
33
|
57
|
82
|
43
|
56
|
63
|
64
|
51
|
47
|
42
|
16
|
|
|
2024/03
|
126
|
61
|
47
|
41
|
79
|
114
|
74
|
72
|
74
|
73
|
84
|
68
|
59
|
91
|
71
|
76
|
77
|
31
|
57
|
78
|
75
|
53
|
35
|
66
|
33
|
38
|
49
|
43
|
42
|
53
|
42
|
|
2024/02
|
37
|
20
|
30
|
61
|
69
|
50
|
103
|
119
|
146
|
244
|
93
|
71
|
50
|
49
|
67
|
41
|
38
|
36
|
78
|
23
|
18
|
42
|
52
|
48
|
71
|
75
|
81
|
74
|
83
|
||
|
2024/01
|
107
|
105
|
65
|
69
|
78
|
110
|
159
|
142
|
135
|
145
|
91
|
99
|
81
|
118
|
186
|
117
|
61
|
20
|
15
|
51
|
76
|
52
|
44
|
45
|
54
|
69
|
79
|
86
|
106
|
54
|
58
|
|
2023/12
|
45
|
68
|
91
|
93
|
73
|
78
|
79
|
58
|
61
|
70
|
19
|
48
|
49
|
54
|
24
|
37
|
42
|
41
|
53
|
53
|
73
|
50
|
56
|
83
|
81
|
70
|
123
|
233
|
258
|
233
|
164
|
|
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