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
26 Apr
Sat
27 Apr
Sun
28 Apr
Mon
29 Apr
Tue
30 Apr
Wed
1 May
Thu
2 May
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
5027
PM2.5
42
PM10
160
O3
0.5
CO
6
SO2
6
NO2
高开区环保局
5034
PM2.5
45
PM10
158
O3
1.0
CO
4
SO2
6
NO2
马坡岭
4525
PM2.5
38
PM10
143
O3
0.5
CO
6
SO2
2
NO2
湖南师范大学
7025
PM2.5
48
PM10
176 *
O3
0.8
CO
3
SO2
3
NO2
雨花区环保局
4625
PM2.5
40
PM10
145
O3
0.8
CO
4
SO2
7
NO2
伍家岭
6541
PM2.5
51
PM10
172 *
O3
1.0
CO
4
SO2
10
NO2
火车新站
6244 *
PM2.5
52
PM10
154
O3
0.9
CO
2
SO2
15
NO2
天心区环保局
492
PM2.5
49
PM10
132
O3
0.3
CO
2
SO2
14
NO2
湖南中医药大学
4527
PM2.5
41
PM10
142
O3
1.1
CO
7
SO2
2
NO2
沙坪
7014
PM2.5
89 *
PM10
157
O3
0.8
CO
7
SO2
8
NO2
Air quality in the last 12 months (Changsha)
|
2024/02
|
40
|
21
|
30
|
64
|
72
|
51
|
102
|
119
|
165
|
292
|
122
|
83
|
57
|
56
|
67
|
44
|
40
|
38
|
76
|
21
|
16
|
39
|
49
|
51
|
70
|
78
|
85
|
77
|
77
|
||
|
2024/01
|
108
|
103
|
67
|
72
|
75
|
107
|
153
|
139
|
134
|
141
|
98
|
102
|
87
|
118
|
182
|
119
|
61
|
22
|
15
|
51
|
78
|
57
|
46
|
47
|
57
|
71
|
82
|
93
|
106
|
58
|
56
|
|
2023/12
|
46
|
69
|
92
|
93
|
72
|
76
|
74
|
60
|
61
|
64
|
18
|
43
|
51
|
53
|
24
|
38
|
44
|
41
|
57
|
55
|
75
|
50
|
59
|
80
|
85
|
72
|
123
|
225
|
251
|
228
|
168
|
|
2023/11
|
63
|
59
|
67
|
85
|
69
|
29
|
47
|
33
|
28
|
39
|
29
|
30
|
73
|
71
|
59
|
77
|
85
|
74
|
72
|
68
|
64
|
66
|
87
|
75
|
69
|
67
|
90
|
82
|
77
|
67
|
|
|
2023/10
|
33
|
37
|
17
|
29
|
29
|
54
|
35
|
39
|
35
|
41
|
52
|
67
|
83
|
60
|
75
|
67
|
61
|
65
|
68
|
30
|
49
|
57
|
63
|
69
|
64
|
61
|
64
|
49
|
60
|
70
|
66
|
|
2023/09
|
43
|
41
|
36
|
43
|
45
|
38
|
28
|
30
|
37
|
44
|
36
|
30
|
27
|
29
|
24
|
37
|
39
|
36
|
37
|
32
|
18
|
21
|
25
|
22
|
17
|
26
|
43
|
47
|
52
|
40
|
|
|
2023/08
|
24
|
24
|
32
|
50
|
47
|
36
|
30
|
31
|
36
|
38
|
49
|
45
|
30
|
32
|
34
|
48
|
54
|
54
|
53
|
52
|
40
|
27
|
37
|
51
|
49
|
43
|
25
|
23
|
36
|
38
|
41
|
|
2023/07
|
32
|
32
|
27
|
22
|
21
|
21
|
23
|
25
|
28
|
28
|
29
|
29
|
31
|
39
|
34
|
54
|
44
|
23
|
20
|
24
|
28
|
25
|
21
|
34
|
25
|
28
|
28
|
21
|
22
|
26
|
26
|
|
2023/06
|
39
|
51
|
52
|
51
|
30
|
31
|
42
|
37
|
49
|
39
|
49
|
43
|
35
|
43
|
51
|
45
|
26
|
20
|
36
|
17
|
25
|
26
|
26
|
29
|
27
|
21
|
20
|
25
|
25
|
28
|
|
|
2023/05
|
69
|
66
|
38
|
30
|
26
|
21
|
40
|
47
|
48
|
47
|
43
|
57
|
60
|
76
|
70
|
56
|
33
|
37
|
54
|
52
|
38
|
39
|
51
|
39
|
36
|
39
|
44
|
31
|
56
|
53
|
29
|
|
2023/04
|
54
|
46
|
31
|
18
|
27
|
33
|
60
|
78
|
71
|
66
|
49
|
60
|
58
|
49
|
87
|
76
|
61
|
32
|
33
|
50
|
49
|
35
|
14
|
16
|
27
|
43
|
45
|
43
|
119
|
98
|
|
|
2023/03
|
128
|
155
|
153
|
115
|
83
|
64
|
78
|
99
|
79
|
66
|
67
|
127
|
116
|
88
|
66
|
113
|
29
|
34
|
14
|
30
|
23
|
36
|
60
|
42
|
65
|
59
|
67
|
81
|
70
|
73
|
59
|
|
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