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
2 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Mon
7 Apr
Tue
8 Apr
Real-time AQI (Monitoring Station in Changde)
市二中
5135
PM2.5
52 *
PM10
22
O3
0.7
CO
5
SO2
30
NO2
武陵区永安
5637
PM2.5
62 *
PM10
21
O3
0.7
CO
5
SO2
38
NO2
鼎城区玉霞
5134
PM2.5
52 *
PM10
27
O3
0.4
CO
5
SO2
24
NO2
武陵区长庚
5538
PM2.5
59 *
PM10
22
O3
0.8
CO
6
SO2
32
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