Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
PM2.5
PM10
O3
CO
SO2
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
15 Jan
Fri
16 Jan
Sat
17 Jan
Sun
18 Jan
Mon
19 Jan
Tue
20 Jan
Wed
21 Jan
Real-time AQI (Monitoring Station in Changde)
市二中
166126 *
PM2.5
149
PM10
62
O3
1.2
CO
7
SO2
29
NO2
武陵区永安
163124 *
PM2.5
136
PM10
64
O3
1.2
CO
7
SO2
26
NO2
武陵区长庚
175132 *
PM2.5
150
PM10
64
O3
1.0
CO
8
SO2
25
NO2
Air quality in the last 12 months (Changde)
|
2025/11
|
43
|
35
|
55
|
30
|
52
|
48
|
26
|
17
|
26
|
37
|
57
|
52
|
60
|
68
|
69
|
74
|
50
|
29
|
30
|
40
|
52
|
63
|
61
|
43
|
69
|
61
|
80
|
64
|
53
|
98
|
|
|
2025/10
|
53
|
49
|
22
|
27
|
54
|
74
|
62
|
60
|
74
|
73
|
70
|
59
|
20
|
26
|
49
|
19
|
17
|
12
|
17
|
11
|
21
|
41
|
48
|
54
|
77
|
48
|
52
|
51
|
73
|
57
|
53
|
|
2025/09
|
24
|
21
|
33
|
45
|
48
|
32
|
41
|
49
|
22
|
23
|
25
|
25
|
21
|
23
|
34
|
39
|
52
|
17
|
11
|
18
|
33
|
27
|
15
|
14
|
21
|
18
|
22
|
34
|
25
|
35
|
|
|
2025/08
|
45
|
43
|
45
|
45
|
32
|
35
|
18
|
16
|
24
|
23
|
18
|
18
|
11
|
19
|
16
|
22
|
29
|
35
|
25
|
20
|
15
|
15
|
22
|
25
|
21
|
29
|
27
|
37
|
44
|
33
|
20
|
|
2025/07
|
20
|
15
|
16
|
18
|
24
|
44
|
45
|
41
|
37
|
24
|
46
|
40
|
31
|
34
|
29
|
22
|
37
|
25
|
34
|
33
|
24
|
12
|
12
|
15
|
22
|
33
|
26
|
24
|
27
|
30
|
27
|
|
2025/06
|
8
|
38
|
37
|
45
|
50
|
44
|
32
|
28
|
31
|
34
|
30
|
30
|
28
|
24
|
31
|
37
|
28
|
23
|
16
|
12
|
13
|
16
|
15
|
22
|
29
|
12
|
29
|
15
|
17
|
22
|
|
|
2025/05
|
48
|
65
|
69
|
56
|
55
|
87
|
120
|
32
|
41
|
45
|
37
|
51
|
59
|
96
|
55
|
31
|
48
|
75
|
53
|
40
|
25
|
15
|
45
|
68
|
66
|
46
|
62
|
34
|
35
|
36
|
34
|
|
2025/04
|
54
|
59
|
64
|
67
|
69
|
74
|
71
|
75
|
63
|
54
|
63
|
290
|
189
|
144
|
109
|
87
|
70
|
75
|
42
|
68
|
53
|
53
|
66
|
51
|
60
|
58
|
45
|
62
|
62
|
27
|
|
|
2025/03
|
99
|
90
|
20
|
45
|
53
|
63
|
73
|
58
|
56
|
49
|
46
|
71
|
70
|
46
|
40
|
61
|
58
|
41
|
51
|
51
|
52
|
51
|
55
|
51
|
61
|
78
|
115
|
73
|
67
|
48
|
53
|
|
2025/02
|
71
|
72
|
63
|
66
|
74
|
59
|
93
|
65
|
51
|
63
|
74
|
84
|
92
|
66
|
49
|
59
|
48
|
37
|
64
|
112
|
121
|
79
|
99
|
110
|
98
|
58
|
39
|
64
|
|||
|
2025/01
|
135
|
182
|
212
|
244
|
138
|
121
|
94
|
83
|
69
|
87
|
95
|
73
|
169
|
186
|
95
|
81
|
96
|
120
|
122
|
143
|
172
|
207
|
268
|
129
|
19
|
47
|
61
|
104
|
299
|
137
|
122
|
|
2024/12
|
73
|
113
|
122
|
98
|
50
|
54
|
66
|
80
|
77
|
89
|
69
|
112
|
104
|
60
|
57
|
61
|
94
|
105
|
72
|
110
|
114
|
72
|
65
|
109
|
142
|
197
|
191
|
113
|
125
|
174
|
145
|
|
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