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
14 Jul
Wed
15 Jul
Thu
16 Jul
Fri
17 Jul
Sat
18 Jul
Sun
19 Jul
Mon
20 Jul
Real-time AQI (Monitoring Station in Changde)
市二中
3222
PM2.5
31
PM10
91
O3
1.3
CO
6
SO2
5
NO2
武陵区永安
4027
PM2.5
40
PM10
105
O3
0.6
CO
6
SO2
10
NO2
鼎城区玉霞
3521
PM2.5
35
PM10
87
O3
1.0
CO
7
SO2
7
NO2
武陵区长庚
3222
PM2.5
30
PM10
101
O3
0.7
CO
9
SO2
6
NO2
Air quality in the last 12 months (Changde)
|
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
|
|
|
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
|
|
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