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
13 Sep
Mon
14 Sep
Tue
15 Sep
Wed
16 Sep
Thu
17 Sep
Fri
18 Sep
Sat
19 Sep
Real-time AQI (Monitoring Station in Changde)
市二中
6721
PM2.5
45
PM10
173
O3
0.5
CO
10
SO2
9
NO2
武陵区永安
7224
PM2.5
54
PM10
177
O3
0.6
CO
10
SO2
9
NO2
鼎城区玉霞
7820
PM2.5
52
PM10
182
O3
0.9
CO
14
SO2
7
NO2
武陵区长庚
7428
PM2.5
50
PM10
179
O3
0.9
CO
11
SO2
6
NO2
Air quality in the last 12 months (Changde)
|
2026/08
|
20
|
20
|
21
|
20
|
22
|
26
|
29
|
39
|
47
|
36
|
22
|
15
|
20
|
25
|
31
|
40
|
49
|
43
|
40
|
57
|
44
|
35
|
35
|
24
|
25
|
26
|
32
|
35
|
38
|
39
|
39
|
|
2026/07
|
17
|
15
|
20
|
15
|
13
|
15
|
15
|
21
|
20
|
22
|
28
|
35
|
34
|
37
|
32
|
21
|
20
|
24
|
24
|
31
|
38
|
18
|
21
|
27
|
24
|
32
|
17
|
15
|
21
|
18
|
17
|
|
2026/06
|
46
|
44
|
28
|
36
|
67
|
55
|
53
|
26
|
23
|
34
|
33
|
32
|
28
|
27
|
41
|
59
|
59
|
69
|
30
|
23
|
21
|
25
|
24
|
26
|
31
|
43
|
51
|
52
|
49
|
22
|
|
|
2026/05
|
43
|
39
|
31
|
39
|
40
|
47
|
38
|
47
|
34
|
41
|
48
|
64
|
24
|
32
|
61
|
60
|
20
|
25
|
25
|
29
|
37
|
43
|
59
|
49
|
46
|
21
|
26
|
28
|
39
|
37
|
39
|
|
2026/04
|
33
|
34
|
28
|
42
|
63
|
52
|
64
|
73
|
53
|
45
|
47
|
40
|
46
|
34
|
30
|
36
|
42
|
42
|
55
|
96
|
39
|
24
|
28
|
44
|
43
|
56
|
33
|
34
|
32
|
36
|
|
|
2026/03
|
18
|
24
|
35
|
39
|
58
|
78
|
90
|
78
|
74
|
48
|
37
|
100
|
79
|
75
|
44
|
19
|
26
|
34
|
55
|
82
|
55
|
45
|
33
|
61
|
60
|
35
|
33
|
36
|
30
|
33
|
44
|
|
2026/02
|
62
|
75
|
103
|
130
|
142
|
165
|
94
|
84
|
76
|
64
|
55
|
86
|
83
|
74
|
90
|
28
|
59
|
76
|
69
|
45
|
43
|
71
|
70
|
64
|
45
|
29
|
34
|
50
|
|||
|
2026/01
|
50
|
81
|
91
|
65
|
71
|
73
|
63
|
74
|
68
|
83
|
109
|
109
|
75
|
100
|
129
|
154
|
169
|
194
|
38
|
63
|
55
|
64
|
80
|
97
|
82
|
141
|
171
|
120
|
74
|
64
|
67
|
|
2025/12
|
106
|
129
|
76
|
62
|
57
|
62
|
112
|
112
|
130
|
163
|
178
|
166
|
38
|
51
|
57
|
74
|
117
|
106
|
73
|
94
|
40
|
94
|
41
|
58
|
69
|
75
|
92
|
88
|
131
|
163
|
121
|
|
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
|
|
|
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