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
31 Aug
Mon
1 Sep
Tue
2 Sep
Wed
3 Sep
Thu
4 Sep
Fri
5 Sep
Sat
6 Sep
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
279
PM2.5
27
PM10
29
O3
0.3
CO
4
SO2
20
NO2
高开区环保局
2113
PM2.5
21
PM10
55
O3
0.3
CO
4
SO2
10
NO2
马坡岭
3416
PM2.5
34
PM10
23
O3
0.5
CO
5
SO2
21
NO2
湖南师范大学
1611
PM2.5
16
PM10
51
O3
0.5
CO
2
SO2
17
NO2
雨花区环保局
2817
PM2.5
28
PM10
16
O3
0.7
CO
5
SO2
30
NO2
伍家岭
2912
PM2.5
29
PM10
43
O3
0.3
CO
2
SO2
13
NO2
火车新站
3214
PM2.5
32
PM10
35
O3
0.4
CO
6
SO2
20
NO2
天心区环保局
2819
PM2.5
27
PM10
29
O3
0.3
CO
3
SO2
26
NO2
湖南中医药大学
2616
PM2.5
26
PM10
36
O3
0.5
CO
3
SO2
18
NO2
沙坪
2110
PM2.5
21
PM10
58
O3
0.4
CO
3
SO2
7
NO2
Air quality in the last 12 months (Changsha)
|
2025/06
|
15
|
27
|
45
|
53
|
48
|
45
|
32
|
31
|
37
|
39
|
24
|
20
|
33
|
24
|
22
|
31
|
18
|
16
|
16
|
19
|
22
|
16
|
20
|
21
|
32
|
41
|
29
|
20
|
18
|
21
|
|
|
2025/05
|
65
|
65
|
69
|
58
|
49
|
64
|
69
|
42
|
39
|
55
|
48
|
53
|
50
|
62
|
60
|
37
|
40
|
54
|
42
|
23
|
26
|
27
|
40
|
59
|
57
|
57
|
65
|
28
|
23
|
28
|
23
|
|
2025/04
|
65
|
67
|
62
|
66
|
76
|
87
|
80
|
77
|
75
|
61
|
57
|
212
|
149
|
147
|
86
|
71
|
75
|
75
|
31
|
63
|
37
|
49
|
60
|
41
|
44
|
41
|
44
|
55
|
68
|
44
|
|
|
2025/03
|
43
|
40
|
14
|
40
|
49
|
64
|
58
|
49
|
68
|
57
|
44
|
72
|
67
|
19
|
36
|
53
|
48
|
51
|
51
|
53
|
61
|
66
|
84
|
81
|
72
|
83
|
89
|
65
|
65
|
34
|
63
|
|
2025/02
|
61
|
51
|
69
|
71
|
76
|
66
|
81
|
49
|
50
|
57
|
76
|
91
|
117
|
106
|
63
|
77
|
65
|
50
|
49
|
60
|
120
|
38
|
76
|
97
|
95
|
88
|
67
|
59
|
|||
|
2025/01
|
159
|
161
|
194
|
232
|
76
|
86
|
93
|
72
|
68
|
58
|
66
|
81
|
84
|
85
|
87
|
64
|
73
|
80
|
119
|
132
|
109
|
102
|
263
|
180
|
18
|
39
|
66
|
105
|
253
|
83
|
65
|
|
2024/12
|
64
|
73
|
140
|
138
|
52
|
66
|
69
|
104
|
79
|
65
|
71
|
101
|
109
|
60
|
62
|
77
|
71
|
94
|
90
|
114
|
110
|
81
|
75
|
110
|
131
|
139
|
185
|
97
|
90
|
125
|
134
|
|
2024/11
|
98
|
146
|
135
|
114
|
111
|
96
|
71
|
65
|
107
|
95
|
91
|
98
|
98
|
135
|
150
|
134
|
22
|
17
|
34
|
42
|
51
|
68
|
75
|
96
|
39
|
33
|
44
|
53
|
60
|
61
|
|
|
2024/10
|
37
|
61
|
60
|
55
|
56
|
90
|
61
|
45
|
61
|
80
|
85
|
120
|
187
|
55
|
77
|
86
|
54
|
44
|
27
|
45
|
36
|
19
|
41
|
50
|
71
|
77
|
90
|
149
|
108
|
74
|
72
|
|
2024/09
|
50
|
47
|
60
|
57
|
46
|
54
|
50
|
36
|
42
|
41
|
48
|
34
|
33
|
43
|
51
|
48
|
52
|
52
|
44
|
52
|
46
|
42
|
45
|
56
|
66
|
77
|
92
|
56
|
41
|
53
|
|
|
2024/08
|
20
|
25
|
25
|
33
|
35
|
32
|
34
|
36
|
36
|
41
|
40
|
37
|
32
|
39
|
43
|
30
|
41
|
25
|
34
|
40
|
45
|
38
|
32
|
32
|
38
|
41
|
45
|
31
|
32
|
47
|
50
|
|
2024/07
|
25
|
24
|
29
|
23
|
26
|
25
|
29
|
28
|
29
|
33
|
35
|
36
|
36
|
28
|
34
|
31
|
25
|
25
|
21
|
26
|
29
|
27
|
32
|
37
|
41
|
37
|
27
|
10
|
16
|
15
|
21
|
|
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