Air Quality
Excellent
No health implications.
15
PM2.5
39
PM10
22
O3
0.5
CO
3
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jun
67
Good
Mon
9 Jun
53
Good
Tue
10 Jun
54
Good
Wed
11 Jun
46
Excellent
Thu
12 Jun
49
Excellent
Fri
13 Jun
35
Excellent
Sat
14 Jun
20
Excellent
Air quality in the last 12 months (Chengxiang)
|
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
|
|
2024/11
|
12
|
14
|
27
|
29
|
42
|
37
|
23
|
22
|
21
|
30
|
18
|
18
|
17
|
11
|
13
|
13
|
14
|
17
|
12
|
8
|
11
|
26
|
31
|
23
|
17
|
16
|
31
|
21
|
33
|
37
|
|
|
2024/10
|
10
|
8
|
13
|
10
|
9
|
16
|
15
|
10
|
27
|
42
|
41
|
33
|
23
|
34
|
24
|
22
|
32
|
37
|
29
|
14
|
23
|
24
|
28
|
31
|
16
|
13
|
18
|
12
|
32
|
35
|
18
|
|
2024/09
|
35
|
35
|
24
|
18
|
22
|
13
|
16
|
20
|
16
|
39
|
52
|
40
|
18
|
16
|
20
|
23
|
19
|
23
|
19
|
21
|
21
|
9
|
8
|
21
|
21
|
18
|
15
|
19
|
22
|
13
|
|
|
2024/08
|
31
|
47
|
57
|
51
|
43
|
29
|
35
|
44
|
47
|
51
|
50
|
51
|
34
|
24
|
21
|
20
|
20
|
23
|
23
|
12
|
21
|
30
|
33
|
42
|
40
|
42
|
63
|
50
|
42
|
46
|
40
|
|
2024/07
|
28
|
24
|
24
|
27
|
31
|
25
|
23
|
24
|
21
|
24
|
29
|
27
|
31
|
30
|
31
|
32
|
27
|
24
|
24
|
28
|
33
|
29
|
18
|
15
|
7
|
9
|
12
|
30
|
20
|
24
|
23
|
|
2024/06
|
13
|
8
|
14
|
25
|
23
|
13
|
27
|
30
|
31
|
28
|
25
|
29
|
29
|
29
|
24
|
15
|
25
|
27
|
36
|
22
|
27
|
35
|
32
|
25
|
27
|
28
|
29
|
23
|
21
|
25
|
|
|
2024/05
|
20
|
21
|
27
|
30
|
36
|
43
|
44
|
43
|
36
|
31
|
46
|
43
|
19
|
24
|
34
|
38
|
30
|
37
|
27
|
14
|
8
|
11
|
28
|
44
|
52
|
30
|
23
|
24
|
24
|
33
|
35
|
|
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