Air Quality
Excellent
No health implications.
20
PM2.5
29
PM10
49
O3
0.5
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Feb
54
Good
Thu
26 Feb
46
Excellent
Fri
27 Feb
42
Excellent
Sat
28 Feb
47
Excellent
Sun
1 Mar
44
Excellent
Mon
2 Mar
30
Excellent
Tue
3 Mar
24
Excellent
Chengxiang Air quality rank
Air quality in the last 12 months (Chengxiang)
|
2026/01
|
27
|
22
|
34
|
33
|
38
|
22
|
40
|
40
|
51
|
52
|
49
|
54
|
48
|
42
|
45
|
51
|
50
|
37
|
37
|
24
|
26
|
41
|
23
|
24
|
23
|
40
|
33
|
24
|
38
|
27
|
20
|
|
2025/12
|
39
|
38
|
49
|
39
|
28
|
29
|
31
|
35
|
45
|
32
|
39
|
50
|
35
|
30
|
36
|
39
|
37
|
59
|
54
|
48
|
80
|
25
|
34
|
45
|
22
|
34
|
26
|
25
|
28
|
36
|
37
|
|
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
|
|||
|
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