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
3 Apr
Sat
4 Apr
Sun
5 Apr
Mon
6 Apr
Tue
7 Apr
Wed
8 Apr
Thu
9 Apr
Real-time AQI (Monitoring Station in Changde)
武陵区永安
3222
PM2.5
30
PM10
82
O3
0.7
CO
5
SO2
7
NO2
鼎城区玉霞
2618
PM2.5
24
PM10
79
O3
0.7
CO
7
SO2
4
NO2
武陵区长庚
3524
PM2.5
24
PM10
80
O3
0.8
CO
7
SO2
3
NO2
Air quality in the last 12 months (Changde)
|
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
|
|
|
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
|
|
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