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
9 Sep
Wed
10 Sep
Thu
11 Sep
Fri
12 Sep
Sat
13 Sep
Sun
14 Sep
Mon
15 Sep
Real-time AQI (Monitoring Station in Changde)
市二中
3021
PM2.5
27
PM10
46
O3
0.4
CO
5
SO2
10
NO2
武陵区永安
3019
PM2.5
30
PM10
82
O3
0.7
CO
4
SO2
6
NO2
鼎城区玉霞
4015
PM2.5
40
PM10
40
O3
0.5
CO
7
SO2
12
NO2
武陵区长庚
3318
PM2.5
33
PM10
85
O3
0.5
CO
5
SO2
10
NO2
Air quality in the last 12 months (Changde)
|
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
|
|
2024/11
|
76
|
89
|
87
|
81
|
79
|
83
|
78
|
79
|
106
|
67
|
69
|
74
|
72
|
77
|
61
|
49
|
13
|
14
|
28
|
32
|
42
|
55
|
76
|
72
|
35
|
34
|
44
|
43
|
52
|
61
|
|
|
2024/10
|
31
|
63
|
65
|
82
|
89
|
65
|
45
|
58
|
72
|
103
|
147
|
102
|
53
|
40
|
50
|
67
|
46
|
19
|
24
|
46
|
17
|
28
|
34
|
51
|
64
|
57
|
59
|
83
|
81
|
76
|
67
|
|
2024/09
|
45
|
48
|
54
|
62
|
64
|
51
|
51
|
48
|
58
|
57
|
49
|
32
|
39
|
58
|
57
|
55
|
51
|
57
|
46
|
43
|
57
|
43
|
51
|
72
|
95
|
125
|
111
|
107
|
97
|
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