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
26 Mar
Thu
27 Mar
Fri
28 Mar
Sat
29 Mar
Sun
30 Mar
Mon
31 Mar
Tue
1 Apr
Real-time AQI (Monitoring Station in Changde)
市二中
8764 *
PM2.5
70
PM10
54
O3
0.7
CO
14
SO2
16
NO2
鼎城区玉霞
7252 *
PM2.5
71
PM10
19
O3
0.8
CO
6
SO2
29
NO2
武陵区长庚
7958 *
PM2.5
77
PM10
35
O3
0.8
CO
8
SO2
25
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