Air Quality
Excellent
No health implications.
22
PM2.5
42
PM10
142
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
66
Good
Thu
15 May
49
Excellent
Fri
16 May
48
Excellent
Sat
17 May
44
Excellent
Sun
18 May
42
Excellent
Mon
19 May
38
Excellent
Tue
20 May
19
Excellent
Air quality in the last 12 months (Changjiang)
|
2025/02
|
19
|
17
|
51
|
55
|
48
|
47
|
66
|
40
|
28
|
48
|
58
|
52
|
84
|
61
|
46
|
68
|
60
|
27
|
38
|
20
|
14
|
15
|
25
|
52
|
55
|
55
|
49
|
34
|
|||
|
2025/01
|
91
|
62
|
63
|
69
|
79
|
59
|
72
|
54
|
53
|
38
|
47
|
66
|
65
|
58
|
70
|
49
|
53
|
53
|
68
|
61
|
58
|
55
|
56
|
59
|
35
|
23
|
47
|
87
|
139
|
58
|
32
|
|
2024/12
|
57
|
67
|
58
|
68
|
41
|
34
|
44
|
65
|
41
|
36
|
18
|
43
|
65
|
60
|
55
|
62
|
60
|
60
|
50
|
51
|
53
|
67
|
52
|
61
|
72
|
64
|
77
|
68
|
63
|
69
|
80
|
|
2024/11
|
16
|
34
|
37
|
38
|
54
|
41
|
32
|
37
|
35
|
40
|
35
|
33
|
31
|
28
|
18
|
16
|
15
|
19
|
26
|
28
|
24
|
25
|
44
|
43
|
29
|
37
|
47
|
57
|
55
|
49
|
|
|
2024/10
|
26
|
32
|
26
|
26
|
22
|
22
|
10
|
16
|
37
|
48
|
49
|
51
|
49
|
54
|
36
|
11
|
22
|
37
|
20
|
16
|
21
|
26
|
37
|
32
|
31
|
28
|
11
|
24
|
45
|
39
|
24
|
|
2024/09
|
46
|
45
|
41
|
35
|
33
|
28
|
29
|
36
|
35
|
28
|
23
|
19
|
30
|
29
|
30
|
19
|
22
|
15
|
24
|
24
|
15
|
24
|
25
|
24
|
35
|
42
|
30
|
18
|
28
|
22
|
|
|
2024/08
|
17
|
23
|
31
|
35
|
36
|
31
|
48
|
36
|
41
|
41
|
43
|
39
|
28
|
14
|
20
|
29
|
38
|
40
|
19
|
25
|
20
|
31
|
39
|
39
|
36
|
49
|
42
|
27
|
22
|
38
|
43
|
|
2024/07
|
16
|
17
|
20
|
22
|
24
|
20
|
21
|
21
|
24
|
27
|
31
|
25
|
27
|
25
|
33
|
32
|
23
|
20
|
22
|
24
|
29
|
34
|
39
|
30
|
17
|
12
|
13
|
14
|
19
|
29
|
29
|
|
2024/06
|
12
|
16
|
24
|
28
|
26
|
20
|
20
|
30
|
29
|
24
|
25
|
27
|
26
|
25
|
18
|
22
|
18
|
14
|
18
|
30
|
28
|
29
|
29
|
14
|
11
|
14
|
16
|
15
|
19
|
23
|
|
|
2024/05
|
12
|
22
|
32
|
17
|
21
|
40
|
32
|
37
|
46
|
51
|
42
|
47
|
61
|
45
|
49
|
52
|
49
|
50
|
51
|
34
|
20
|
18
|
28
|
29
|
23
|
20
|
18
|
15
|
24
|
30
|
14
|
|
2024/04
|
27
|
16
|
18
|
17
|
28
|
27
|
28
|
20
|
29
|
45
|
50
|
25
|
22
|
22
|
41
|
42
|
23
|
20
|
23
|
25
|
23
|
29
|
40
|
59
|
42
|
33
|
33
|
24
|
31
|
15
|
|
|
2024/03
|
23
|
41
|
36
|
30
|
17
|
21
|
49
|
57
|
56
|
57
|
63
|
58
|
76
|
57
|
52
|
72
|
46
|
30
|
53
|
57
|
48
|
54
|
41
|
40
|
27
|
19
|
31
|
34
|
43
|
41
|
29
|
|
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