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
25 Jan
Sun
26 Jan
Mon
27 Jan
Tue
28 Jan
Wed
29 Jan
Thu
30 Jan
Fri
31 Jan
Real-time AQI (Monitoring Station in Changde)
市二中
163
PM2.5
16
PM10
41
O3
0.6
CO
2
SO2
5
NO2
武陵区永安
143
PM2.5
11
PM10
43
O3
0.5
CO
1
SO2
14
NO2
鼎城区玉霞
143
PM2.5
7
PM10
44
O3
0.9
CO
3
SO2
10
NO2
武陵区长庚
143
PM2.5
10
PM10
44
O3
0.5
CO
3
SO2
10
NO2
Air quality in the last 12 months (Changde)
|
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
|
|
2024/02
|
74
|
36
|
56
|
73
|
112
|
109
|
111
|
113
|
121
|
113
|
116
|
100
|
80
|
54
|
68
|
68
|
55
|
63
|
190
|
17
|
23
|
31
|
42
|
48
|
51
|
76
|
86
|
100
|
87
|
||
|
2024/01
|
108
|
101
|
55
|
49
|
90
|
122
|
178
|
121
|
164
|
149
|
141
|
84
|
96
|
168
|
113
|
104
|
71
|
49
|
27
|
46
|
82
|
63
|
45
|
54
|
58
|
74
|
91
|
105
|
100
|
101
|
95
|
|
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