Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
53
O3
0.5
CO
2
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jan
35
Excellent
Sat
24 Jan
30
Excellent
Sun
25 Jan
43
Excellent
Mon
26 Jan
51
Good
Tue
27 Jan
49
Excellent
Wed
28 Jan
58
Good
Thu
29 Jan
42
Excellent
Chengxiang Air quality rank
Air quality in the last 12 months (Chengxiang)
|
2025/11
|
22
|
40
|
47
|
9
|
13
|
21
|
25
|
28
|
25
|
32
|
17
|
7
|
10
|
26
|
41
|
31
|
29
|
23
|
23
|
30
|
31
|
37
|
39
|
40
|
42
|
73
|
47
|
80
|
68
|
49
|
|
|
2025/10
|
31
|
21
|
25
|
27
|
38
|
42
|
26
|
26
|
29
|
26
|
25
|
30
|
40
|
36
|
22
|
25
|
27
|
25
|
18
|
17
|
14
|
14
|
24
|
22
|
24
|
37
|
38
|
21
|
25
|
29
|
25
|
|
2025/09
|
31
|
36
|
43
|
46
|
33
|
15
|
18
|
19
|
20
|
29
|
26
|
36
|
37
|
38
|
28
|
18
|
16
|
16
|
21
|
16
|
19
|
20
|
19
|
21
|
18
|
14
|
20
|
18
|
32
|
33
|
|
|
2025/08
|
32
|
30
|
29
|
21
|
18
|
30
|
41
|
51
|
42
|
29
|
24
|
32
|
25
|
24
|
13
|
13
|
16
|
23
|
24
|
25
|
20
|
31
|
44
|
35
|
19
|
14
|
13
|
16
|
13
|
15
|
21
|
|
2025/07
|
18
|
15
|
23
|
23
|
16
|
18
|
22
|
43
|
37
|
16
|
11
|
20
|
42
|
22
|
38
|
46
|
42
|
23
|
18
|
20
|
13
|
12
|
16
|
14
|
22
|
31
|
32
|
27
|
25
|
45
|
46
|
|
2025/06
|
49
|
49
|
16
|
21
|
29
|
33
|
35
|
41
|
33
|
31
|
24
|
14
|
16
|
18
|
22
|
30
|
28
|
32
|
21
|
24
|
22
|
32
|
41
|
32
|
31
|
25
|
24
|
26
|
28
|
19
|
|
|
2025/05
|
66
|
51
|
55
|
51
|
48
|
48
|
52
|
39
|
35
|
27
|
28
|
32
|
31
|
43
|
43
|
37
|
26
|
30
|
35
|
38
|
39
|
43
|
45
|
18
|
51
|
34
|
28
|
16
|
13
|
26
|
37
|
|
2025/04
|
17
|
33
|
44
|
43
|
44
|
46
|
50
|
55
|
78
|
56
|
53
|
38
|
108
|
88
|
76
|
64
|
63
|
61
|
54
|
25
|
43
|
52
|
41
|
26
|
10
|
11
|
26
|
47
|
40
|
41
|
|
|
2025/03
|
86
|
49
|
38
|
40
|
12
|
11
|
27
|
44
|
33
|
35
|
53
|
68
|
41
|
28
|
35
|
16
|
48
|
38
|
42
|
45
|
41
|
43
|
60
|
82
|
87
|
60
|
48
|
52
|
21
|
8
|
10
|
|
2025/02
|
40
|
13
|
12
|
59
|
51
|
26
|
16
|
51
|
32
|
35
|
41
|
142
|
65
|
59
|
47
|
69
|
71
|
43
|
35
|
11
|
9
|
20
|
10
|
50
|
56
|
62
|
83
|
82
|
|||
|
2025/01
|
58
|
50
|
36
|
40
|
38
|
51
|
63
|
49
|
52
|
47
|
34
|
43
|
44
|
45
|
84
|
59
|
51
|
34
|
43
|
46
|
63
|
42
|
37
|
20
|
27
|
32
|
18
|
44
|
61
|
32
|
30
|
|
2024/12
|
39
|
42
|
22
|
36
|
33
|
32
|
20
|
54
|
29
|
26
|
25
|
14
|
20
|
50
|
77
|
52
|
41
|
36
|
42
|
25
|
38
|
61
|
26
|
21
|
25
|
50
|
66
|
81
|
43
|
44
|
53
|
|
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