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
16 Aug
Mon
17 Aug
Tue
18 Aug
Wed
19 Aug
Thu
20 Aug
Fri
21 Aug
Sat
22 Aug
Real-time AQI (Monitoring Station in Changsha)
经开区环保局
4322
PM2.5
43
PM10
102
O3
0.6
CO
5
SO2
5
NO2
高开区环保局
3721
PM2.5
36
PM10
116
O3
0.7
CO
4
SO2
1
NO2
湖南师范大学
3919
PM2.5
39
PM10
115
O3
0.5
CO
7
SO2
9
NO2
雨花区环保局
4422
PM2.5
44
PM10
114
O3
0.9
CO
7
SO2
7
NO2
伍家岭
5223
PM2.5
52 *
PM10
116
O3
0.5
CO
4
SO2
4
NO2
火车新站
4223
PM2.5
42
PM10
113
O3
0.4
CO
5
SO2
3
NO2
天心区环保局
6017
PM2.5
64 *
PM10
119
O3
0.8
CO
3
SO2
6
NO2
湖南中医药大学
4928
PM2.5
49
PM10
117
O3
0.9
CO
6
SO2
5
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