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
22 Aug
Sun
23 Aug
Mon
24 Aug
Tue
25 Aug
Wed
26 Aug
Thu
27 Aug
Fri
28 Aug
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
4629
PM2.5
46
PM10
76
O3
0.6
CO
5
SO2
11
NO2
马坡岭
4632
PM2.5
43
PM10
78
O3
0.3
CO
6
SO2
10
NO2
湖南师范大学
5236 *
PM2.5
50
PM10
66
O3
0.5
CO
7
SO2
10
NO2
雨花区环保局
4329
PM2.5
43
PM10
70
O3
0.7
CO
6
SO2
8
NO2
伍家岭
5437 *
PM2.5
44
PM10
60
O3
0.5
CO
3
SO2
7
NO2
火车新站
5635
PM2.5
58 *
PM10
66
O3
1.1
CO
4
SO2
5
NO2
天心区环保局
4632
PM2.5
41
PM10
84
O3
0.6
CO
3
SO2
9
NO2
湖南中医药大学
5031
PM2.5
50
PM10
61
O3
0.9
CO
6
SO2
6
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