Air Quality
Excellent
No health implications.
17
PM2.5
37
PM10
110
O3
0.5
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Dec
46
Excellent
Fri
19 Dec
72
Good
Sat
20 Dec
66
Good
Sun
21 Dec
72
Good
Mon
22 Dec
63
Good
Tue
23 Dec
68
Good
Wed
24 Dec
46
Excellent
Changjiang Air quality rank
Air quality in the last 12 months (Changjiang)
|
2025/11
|
31
|
30
|
21
|
15
|
13
|
20
|
15
|
17
|
19
|
39
|
30
|
26
|
35
|
38
|
35
|
32
|
37
|
44
|
27
|
30
|
36
|
39
|
41
|
45
|
47
|
47
|
50
|
51
|
55
|
34
|
|
|
2025/10
|
15
|
15
|
12
|
14
|
18
|
14
|
15
|
13
|
21
|
22
|
21
|
16
|
13
|
11
|
14
|
21
|
23
|
24
|
30
|
30
|
17
|
15
|
16
|
26
|
36
|
38
|
29
|
24
|
26
|
12
|
23
|
|
2025/09
|
12
|
15
|
14
|
14
|
15
|
13
|
22
|
21
|
16
|
16
|
14
|
13
|
14
|
13
|
12
|
16
|
12
|
12
|
12
|
18
|
21
|
16
|
21
|
24
|
17
|
13
|
20
|
12
|
18
|
17
|
|
|
2025/08
|
29
|
29
|
33
|
27
|
27
|
23
|
24
|
24
|
23
|
22
|
18
|
18
|
17
|
18
|
13
|
12
|
12
|
11
|
16
|
20
|
19
|
16
|
14
|
15
|
13
|
16
|
13
|
17
|
13
|
12
|
13
|
|
2025/07
|
12
|
10
|
10
|
14
|
14
|
13
|
11
|
14
|
19
|
21
|
18
|
16
|
18
|
19
|
18
|
21
|
17
|
18
|
15
|
12
|
14
|
12
|
14
|
11
|
14
|
19
|
13
|
12
|
17
|
15
|
21
|
|
2025/06
|
17
|
21
|
23
|
29
|
21
|
19
|
20
|
19
|
20
|
22
|
20
|
10
|
13
|
14
|
16
|
18
|
19
|
18
|
18
|
17
|
17
|
13
|
14
|
11
|
10
|
12
|
12
|
11
|
14
|
14
|
|
|
2025/05
|
22
|
18
|
23
|
26
|
23
|
25
|
24
|
22
|
22
|
19
|
21
|
34
|
27
|
15
|
17
|
12
|
12
|
17
|
18
|
19
|
19
|
16
|
18
|
18
|
21
|
30
|
25
|
19
|
15
|
19
|
13
|
|
2025/04
|
21
|
31
|
31
|
31
|
38
|
19
|
26
|
30
|
36
|
38
|
38
|
36
|
100
|
130
|
103
|
87
|
85
|
51
|
32
|
28
|
29
|
27
|
28
|
32
|
35
|
27
|
22
|
24
|
21
|
20
|
|
|
2025/03
|
30
|
29
|
30
|
38
|
43
|
21
|
12
|
13
|
25
|
30
|
31
|
25
|
25
|
26
|
30
|
21
|
27
|
35
|
40
|
46
|
43
|
41
|
36
|
41
|
43
|
42
|
49
|
49
|
30
|
13
|
15
|
|
2025/02
|
27
|
25
|
28
|
24
|
26
|
29
|
34
|
28
|
48
|
41
|
30
|
20
|
25
|
13
|
16
|
23
|
33
|
33
|
44
|
34
|
36
|
24
|
15
|
22
|
17
|
22
|
26
|
32
|
|||
|
2025/01
|
65
|
48
|
56
|
49
|
57
|
66
|
47
|
49
|
56
|
64
|
49
|
49
|
38
|
24
|
34
|
55
|
59
|
48
|
51
|
53
|
45
|
42
|
34
|
33
|
26
|
25
|
25
|
36
|
48
|
36
|
26
|
|
2024/12
|
35
|
31
|
26
|
26
|
29
|
36
|
43
|
40
|
33
|
29
|
26
|
39
|
36
|
41
|
54
|
46
|
37
|
47
|
46
|
47
|
49
|
50
|
50
|
54
|
53
|
41
|
54
|
54
|
59
|
43
|
55
|
|
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
Air quality source: CNEMC
*: primary pollution