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
25 Aug
Wed
26 Aug
Thu
27 Aug
Fri
28 Aug
Sat
29 Aug
Sun
30 Aug
Mon
31 Aug
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
143
PM2.5
14
PM10
27
O3
0.5
CO
4
SO2
12
NO2
高开区环保局
146
PM2.5
14
PM10
17
O3
0.5
CO
8
SO2
11
NO2
马坡岭
163
PM2.5
16
PM10
20
O3
0.3
CO
7
SO2
13
NO2
湖南师范大学
136
PM2.5
13
PM10
27
O3
0.4
CO
6
SO2
12
NO2
雨花区环保局
116
PM2.5
11
PM10
25
O3
0.6
CO
6
SO2
9
NO2
伍家岭
177
PM2.5
17
PM10
16
O3
0.3
CO
4
SO2
19
NO2
火车新站
753
PM2.5
85 *
PM10
23
O3
0.6
CO
12
SO2
9
NO2
天心区环保局
138
PM2.5
8
PM10
41
O3
0.4
CO
2
SO2
8
NO2
湖南中医药大学
173
PM2.5
17
PM10
17
O3
0.1
CO
5
SO2
12
NO2
Air quality in the last 12 months (Changsha)
|
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
|
|
|
2025/08
|
42
|
53
|
38
|
27
|
31
|
20
|
17
|
21
|
29
|
32
|
38
|
40
|
30
|
28
|
16
|
27
|
26
|
32
|
16
|
20
|
22
|
21
|
28
|
26
|
25
|
28
|
35
|
30
|
27
|
46
|
31
|
|
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