Air Quality
Excellent
No health implications.
12
PM2.5
25
PM10
72
O3
0.4
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
51
Good
Tue
17 Feb
64
Good
Wed
18 Feb
50
Excellent
Thu
19 Feb
49
Excellent
Fri
20 Feb
48
Excellent
Sat
21 Feb
42
Excellent
Sun
22 Feb
31
Excellent
Air quality in the last 12 months (Changjiang)
|
2026/01
|
36
|
42
|
32
|
37
|
40
|
51
|
44
|
40
|
37
|
42
|
47
|
39
|
48
|
48
|
44
|
39
|
40
|
44
|
34
|
36
|
40
|
48
|
43
|
37
|
25
|
25
|
29
|
32
|
31
|
29
|
34
|
|
2025/12
|
29
|
20
|
29
|
48
|
41
|
48
|
38
|
53
|
49
|
37
|
35
|
36
|
30
|
26
|
38
|
31
|
35
|
46
|
41
|
34
|
27
|
38
|
30
|
30
|
32
|
32
|
36
|
40
|
42
|
33
|
40
|
|
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
|
|||
|
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