Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Oct
Thu
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Tue
27 Oct
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
9055 *
PM2.5
74
PM10
75
O3
0.6
CO
7
SO2
22
NO2
高开区环保局
7447 *
PM2.5
74
PM10
83
O3
0.8
CO
6
SO2
16
NO2
马坡岭
7246 *
PM2.5
71
PM10
86
O3
0.5
CO
8
SO2
18
NO2
湖南师范大学
6843
PM2.5
74 *
PM10
89
O3
0.7
CO
5
SO2
14
NO2
雨花区环保局
6844 *
PM2.5
65
PM10
84
O3
0.7
CO
9
SO2
20
NO2
伍家岭
7447 *
PM2.5
73
PM10
81
O3
0.4
CO
6
SO2
18
NO2
火车新站
7447 *
PM2.5
67
PM10
83
O3
0.8
CO
5
SO2
20
NO2
天心区环保局
9658 *
PM2.5
77
PM10
94
O3
0.5
CO
6
SO2
12
NO2
湖南中医药大学
8653 *
PM2.5
79
PM10
78
O3
0.7
CO
9
SO2
18
NO2
Air quality in the last 12 months (Changsha)
|
2026/08
|
21
|
17
|
22
|
25
|
30
|
30
|
33
|
41
|
45
|
36
|
19
|
16
|
15
|
19
|
36
|
42
|
38
|
37
|
30
|
39
|
45
|
38
|
35
|
25
|
22
|
19
|
27
|
35
|
41
|
36
|
30
|
|
2026/07
|
23
|
29
|
32
|
20
|
18
|
20
|
17
|
18
|
21
|
27
|
36
|
36
|
46
|
39
|
20
|
22
|
26
|
26
|
19
|
31
|
24
|
25
|
28
|
32
|
42
|
32
|
14
|
20
|
22
|
18
|
19
|
|
2026/06
|
55
|
60
|
55
|
27
|
38
|
39
|
48
|
24
|
32
|
42
|
59
|
47
|
23
|
31
|
35
|
48
|
46
|
35
|
15
|
18
|
25
|
23
|
17
|
21
|
31
|
36
|
44
|
48
|
52
|
34
|
|
|
2026/05
|
40
|
36
|
38
|
44
|
47
|
44
|
45
|
46
|
46
|
48
|
49
|
54
|
27
|
26
|
40
|
26
|
21
|
20
|
16
|
29
|
34
|
27
|
26
|
27
|
28
|
29
|
29
|
34
|
49
|
47
|
58
|
|
2026/04
|
53
|
40
|
28
|
47
|
66
|
47
|
72
|
63
|
46
|
42
|
34
|
39
|
38
|
26
|
30
|
27
|
45
|
56
|
56
|
53
|
18
|
21
|
34
|
45
|
50
|
54
|
64
|
30
|
29
|
35
|
|
|
2026/03
|
14
|
30
|
56
|
54
|
58
|
84
|
84
|
52
|
74
|
81
|
50
|
69
|
49
|
54
|
102
|
14
|
22
|
26
|
39
|
44
|
39
|
34
|
29
|
57
|
82
|
35
|
67
|
61
|
56
|
33
|
40
|
|
2026/02
|
45
|
64
|
68
|
76
|
100
|
120
|
77
|
67
|
59
|
60
|
54
|
63
|
66
|
52
|
60
|
24
|
76
|
52
|
54
|
45
|
38
|
54
|
52
|
39
|
43
|
23
|
32
|
34
|
|||
|
2026/01
|
37
|
58
|
66
|
50
|
72
|
93
|
78
|
63
|
69
|
79
|
84
|
72
|
97
|
74
|
99
|
117
|
166
|
165
|
22
|
38
|
60
|
61
|
80
|
60
|
76
|
138
|
131
|
100
|
70
|
35
|
49
|
|
2025/12
|
117
|
125
|
76
|
63
|
88
|
101
|
116
|
142
|
132
|
139
|
165
|
172
|
32
|
56
|
59
|
63
|
105
|
143
|
90
|
127
|
105
|
72
|
49
|
78
|
72
|
63
|
77
|
81
|
93
|
176
|
154
|
|
2025/11
|
73
|
58
|
48
|
46
|
54
|
39
|
61
|
12
|
21
|
25
|
59
|
57
|
49
|
60
|
72
|
73
|
66
|
31
|
33
|
49
|
63
|
66
|
76
|
67
|
70
|
72
|
94
|
90
|
72
|
67
|
|
|
2025/10
|
54
|
52
|
44
|
42
|
51
|
37
|
58
|
75
|
59
|
55
|
118
|
158
|
85
|
66
|
65
|
40
|
31
|
11
|
10
|
11
|
19
|
34
|
42
|
47
|
80
|
79
|
76
|
73
|
77
|
106
|
70
|
|
2025/09
|
36
|
26
|
34
|
34
|
40
|
43
|
49
|
35
|
40
|
40
|
34
|
28
|
35
|
41
|
36
|
38
|
38
|
31
|
18
|
26
|
30
|
28
|
33
|
19
|
19
|
30
|
44
|
54
|
49
|
50
|
|
|
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