Air Quality
Excellent
No health implications.
28
PM2.5
46
PM10
140
O3
0.6
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
90
Good
Sun
22 Dec
93
Good
Mon
23 Dec
91
Good
Tue
24 Dec
94
Good
Wed
25 Dec
92
Good
Thu
26 Dec
95
Good
Fri
27 Dec
21
Excellent
Air quality in the last 12 months (Changjiang)
|
2024/11
|
40
|
41
|
33
|
19
|
38
|
42
|
44
|
45
|
42
|
41
|
34
|
30
|
35
|
33
|
32
|
25
|
31
|
24
|
27
|
11
|
16
|
22
|
24
|
23
|
17
|
24
|
27
|
36
|
36
|
34
|
|
|
2024/10
|
25
|
29
|
36
|
41
|
38
|
38
|
22
|
48
|
54
|
50
|
36
|
29
|
29
|
16
|
14
|
12
|
10
|
12
|
16
|
20
|
23
|
28
|
32
|
29
|
33
|
35
|
17
|
17
|
10
|
20
|
34
|
|
2024/09
|
16
|
12
|
13
|
18
|
26
|
16
|
15
|
19
|
19
|
12
|
13
|
17
|
17
|
18
|
21
|
25
|
19
|
18
|
9
|
11
|
15
|
13
|
10
|
11
|
20
|
24
|
22
|
17
|
18
|
19
|
|
|
2024/08
|
18
|
17
|
17
|
17
|
18
|
16
|
18
|
18
|
18
|
19
|
20
|
18
|
15
|
15
|
15
|
18
|
16
|
17
|
19
|
16
|
17
|
17
|
16
|
16
|
15
|
13
|
14
|
17
|
18
|
20
|
14
|
|
2024/07
|
15
|
17
|
17
|
13
|
12
|
13
|
13
|
14
|
15
|
19
|
16
|
14
|
15
|
13
|
13
|
12
|
10
|
11
|
15
|
11
|
8
|
7
|
16
|
16
|
15
|
17
|
18
|
17
|
15
|
16
|
16
|
|
2024/06
|
15
|
20
|
18
|
21
|
22
|
20
|
21
|
15
|
16
|
16
|
18
|
18
|
18
|
20
|
23
|
23
|
22
|
21
|
22
|
19
|
17
|
11
|
10
|
13
|
14
|
11
|
11
|
13
|
17
|
17
|
|
|
2024/05
|
39
|
26
|
25
|
24
|
29
|
28
|
26
|
22
|
22
|
22
|
26
|
21
|
23
|
18
|
19
|
28
|
28
|
15
|
19
|
17
|
15
|
16
|
15
|
16
|
15
|
19
|
22
|
19
|
25
|
18
|
16
|
|
2024/04
|
40
|
39
|
41
|
41
|
43
|
35
|
40
|
43
|
37
|
28
|
29
|
37
|
36
|
41
|
42
|
37
|
31
|
31
|
34
|
31
|
30
|
31
|
32
|
36
|
31
|
43
|
48
|
43
|
42
|
41
|
|
|
2024/03
|
15
|
16
|
20
|
32
|
45
|
57
|
31
|
20
|
20
|
26
|
24
|
23
|
24
|
26
|
35
|
39
|
33
|
29
|
25
|
34
|
35
|
37
|
38
|
30
|
33
|
39
|
39
|
34
|
36
|
30
|
37
|
|
2024/02
|
23
|
32
|
27
|
30
|
28
|
27
|
37
|
14
|
18
|
54
|
42
|
39
|
36
|
36
|
33
|
35
|
34
|
30
|
36
|
36
|
34
|
36
|
36
|
21
|
25
|
20
|
16
|
21
|
34
|
||
|
2024/01
|
37
|
37
|
38
|
36
|
35
|
33
|
34
|
35
|
34
|
36
|
32
|
36
|
35
|
32
|
28
|
33
|
32
|
32
|
30
|
28
|
32
|
27
|
14
|
20
|
31
|
48
|
42
|
17
|
20
|
23
|
27
|
|
2023/12
|
28
|
31
|
35
|
37
|
42
|
37
|
30
|
32
|
30
|
28
|
22
|
22
|
22
|
17
|
18
|
23
|
13
|
16
|
16
|
18
|
33
|
35
|
48
|
46
|
43
|
45
|
43
|
43
|
29
|
29
|
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
Air quality source: CNEMC
*: primary pollution