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
30 Jul
Thu
31 Jul
Fri
1 Aug
Sat
2 Aug
Sun
3 Aug
Mon
4 Aug
Tue
5 Aug
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
3416
PM2.5
34
PM10
54
O3
0.4
CO
4
SO2
17
NO2
湖南师范大学
3216
PM2.5
32
PM10
44
O3
0.5
CO
2
SO2
12
NO2
雨花区环保局
3111
PM2.5
31
PM10
54
O3
0.6
CO
4
SO2
14
NO2
伍家岭
2714
PM2.5
27
PM10
67
O3
0.2
CO
1
SO2
15
NO2
火车新站
3712
PM2.5
37
PM10
43
O3
0.7
CO
5
SO2
28
NO2
天心区环保局
2712
PM2.5
27
PM10
58
O3
0.3
CO
2
SO2
15
NO2
湖南中医药大学
243
PM2.5
24
PM10
45
O3
0.5
CO
2
SO2
14
NO2
沙坪
3213
PM2.5
32
PM10
45
O3
0.5
CO
6
SO2
16
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