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
17 Apr
Fri
18 Apr
Sat
19 Apr
Sun
20 Apr
Mon
21 Apr
Tue
22 Apr
Wed
23 Apr
Real-time AQI (Monitoring Station in Changde)
市二中
8865 *
PM2.5
87
PM10
4
O3
0.9
CO
7
SO2
55
NO2
武陵区永安
8460
PM2.5
117 *
PM10
12
O3
0.9
CO
11
SO2
65
NO2
鼎城区玉霞
7947
PM2.5
108 *
PM10
4
O3
0.9
CO
5
SO2
50
NO2
武陵区长庚
8659
PM2.5
122 *
PM10
12
O3
0.8
CO
11
SO2
53
NO2
Air quality in the last 12 months (Changde)
|
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
|
|
|
2024/08
|
13
|
14
|
20
|
24
|
22
|
30
|
35
|
31
|
29
|
34
|
52
|
68
|
47
|
51
|
50
|
36
|
36
|
44
|
29
|
38
|
43
|
38
|
27
|
28
|
35
|
36
|
30
|
29
|
37
|
44
|
45
|
|
2024/07
|
12
|
24
|
24
|
15
|
18
|
15
|
17
|
18
|
23
|
25
|
44
|
35
|
24
|
27
|
30
|
26
|
21
|
19
|
15
|
17
|
23
|
24
|
26
|
26
|
34
|
38
|
26
|
20
|
15
|
15
|
17
|
|
2024/06
|
22
|
35
|
42
|
19
|
20
|
34
|
38
|
33
|
15
|
19
|
21
|
12
|
29
|
31
|
36
|
42
|
32
|
32
|
30
|
18
|
26
|
11
|
12
|
15
|
22
|
23
|
16
|
15
|
9
|
15
|
|
|
2024/05
|
32
|
49
|
25
|
24
|
27
|
39
|
83
|
90
|
85
|
48
|
57
|
78
|
76
|
68
|
82
|
68
|
56
|
47
|
30
|
25
|
46
|
53
|
53
|
53
|
46
|
35
|
41
|
29
|
36
|
20
|
27
|
|
2024/04
|
40
|
27
|
48
|
58
|
57
|
48
|
56
|
48
|
44
|
51
|
48
|
34
|
28
|
44
|
47
|
48
|
46
|
49
|
26
|
36
|
57
|
61
|
39
|
59
|
46
|
43
|
53
|
45
|
42
|
25
|
|
|
2024/03
|
121
|
86
|
54
|
52
|
97
|
114
|
86
|
86
|
100
|
80
|
66
|
68
|
95
|
77
|
77
|
71
|
61
|
51
|
51
|
81
|
76
|
64
|
46
|
39
|
27
|
38
|
47
|
36
|
38
|
41
|
34
|
|
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