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
23 Jun
Wed
24 Jun
Thu
25 Jun
Fri
26 Jun
Sat
27 Jun
Sun
28 Jun
Mon
29 Jun
Real-time AQI (Monitoring Station in Changde)
市二中
2517
PM2.5
20
PM10
50
O3
1.0
CO
7
SO2
9
NO2
武陵区长庚
3222
PM2.5
23
PM10
49
O3
0.7
CO
8
SO2
11
NO2
Air quality in the last 12 months (Changde)
|
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
|
|
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
|
|
|
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