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
1 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Thu
5 Feb
Fri
6 Feb
Sat
7 Feb
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
4630
PM2.5
46
PM10
37
O3
0.5
CO
3
SO2
16
NO2
马坡岭
4833
PM2.5
48
PM10
48
O3
0.8
CO
4
SO2
13
NO2
湖南师范大学
5530
PM2.5
59 *
PM10
47
O3
0.7
CO
4
SO2
20
NO2
雨花区环保局
4831
PM2.5
48
PM10
28
O3
0.7
CO
7
SO2
27
NO2
伍家岭
5637
PM2.5
62 *
PM10
31
O3
0.8
CO
5
SO2
20
NO2
火车新站
5337 *
PM2.5
50
PM10
43
O3
0.9
CO
2
SO2
21
NO2
天心区环保局
5028
PM2.5
50
PM10
41
O3
0.6
CO
5
SO2
27
NO2
湖南中医药大学
4934
PM2.5
43
PM10
38
O3
0.8
CO
6
SO2
27
NO2
Air quality in the last 12 months (Changsha)
|
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
|
|
2025/07
|
19
|
17
|
25
|
34
|
43
|
45
|
51
|
51
|
39
|
23
|
31
|
27
|
27
|
30
|
32
|
29
|
35
|
39
|
36
|
31
|
16
|
14
|
16
|
22
|
26
|
31
|
28
|
27
|
31
|
29
|
33
|
|
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
|
|
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