Air Quality
Excellent
No health implications.
27
PM2.5
33
PM10
42
O3
0.8
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Dec
58
Good
Thu
18 Dec
53
Good
Fri
19 Dec
53
Good
Sat
20 Dec
62
Good
Sun
21 Dec
56
Good
Mon
22 Dec
50
Excellent
Tue
23 Dec
20
Excellent
Ceheng Air quality rank
Air quality in the last 12 months (Ceheng)
|
2025/11
|
21
|
21
|
14
|
14
|
15
|
19
|
29
|
21
|
11
|
16
|
19
|
28
|
32
|
37
|
36
|
33
|
41
|
24
|
20
|
33
|
40
|
43
|
53
|
55
|
44
|
49
|
54
|
44
|
40
|
54
|
|
|
2025/10
|
17
|
19
|
24
|
24
|
26
|
20
|
12
|
16
|
19
|
22
|
28
|
35
|
40
|
28
|
13
|
14
|
19
|
24
|
22
|
21
|
17
|
22
|
36
|
49
|
29
|
30
|
26
|
38
|
35
|
34
|
29
|
|
2025/09
|
20
|
20
|
20
|
24
|
28
|
29
|
30
|
28
|
23
|
20
|
19
|
18
|
17
|
18
|
19
|
18
|
18
|
17
|
19
|
25
|
26
|
22
|
17
|
14
|
14
|
14
|
15
|
16
|
17
|
12
|
|
|
2025/08
|
23
|
23
|
26
|
26
|
26
|
23
|
18
|
21
|
20
|
22
|
22
|
26
|
25
|
26
|
17
|
13
|
16
|
16
|
11
|
13
|
16
|
17
|
19
|
19
|
17
|
15
|
16
|
16
|
20
|
21
|
26
|
|
2025/07
|
15
|
14
|
15
|
14
|
18
|
20
|
26
|
23
|
23
|
19
|
22
|
24
|
26
|
21
|
24
|
23
|
25
|
26
|
21
|
22
|
16
|
13
|
11
|
12
|
14
|
17
|
23
|
25
|
28
|
27
|
23
|
|
2025/06
|
28
|
19
|
20
|
26
|
24
|
31
|
32
|
29
|
34
|
27
|
31
|
31
|
23
|
21
|
21
|
25
|
25
|
17
|
19
|
21
|
21
|
19
|
23
|
17
|
18
|
17
|
18
|
16
|
15
|
15
|
|
|
2025/05
|
42
|
51
|
43
|
30
|
36
|
31
|
24
|
42
|
30
|
19
|
23
|
30
|
32
|
36
|
42
|
44
|
28
|
35
|
45
|
25
|
27
|
29
|
32
|
47
|
33
|
17
|
19
|
21
|
16
|
19
|
23
|
|
2025/04
|
33
|
44
|
55
|
66
|
64
|
67
|
61
|
53
|
62
|
49
|
53
|
76
|
149
|
104
|
72
|
58
|
61
|
49
|
42
|
42
|
33
|
32
|
42
|
37
|
32
|
38
|
38
|
25
|
34
|
32
|
|
|
2025/03
|
38
|
32
|
51
|
53
|
41
|
35
|
33
|
38
|
51
|
30
|
43
|
49
|
46
|
46
|
32
|
26
|
32
|
25
|
32
|
41
|
59
|
76
|
82
|
80
|
70
|
60
|
61
|
83
|
36
|
24
|
34
|
|
2025/02
|
51
|
24
|
26
|
40
|
55
|
29
|
24
|
33
|
45
|
44
|
50
|
62
|
35
|
38
|
31
|
42
|
38
|
29
|
16
|
18
|
15
|
16
|
19
|
17
|
23
|
25
|
29
|
38
|
|||
|
2025/01
|
66
|
87
|
70
|
85
|
52
|
70
|
92
|
56
|
36
|
34
|
54
|
51
|
57
|
84
|
69
|
81
|
81
|
85
|
90
|
97
|
85
|
104
|
75
|
55
|
44
|
25
|
42
|
46
|
68
|
53
|
53
|
|
2024/12
|
52
|
64
|
60
|
57
|
37
|
17
|
30
|
29
|
23
|
32
|
21
|
27
|
33
|
53
|
53
|
69
|
61
|
56
|
59
|
69
|
75
|
83
|
80
|
82
|
84
|
60
|
46
|
50
|
61
|
68
|
57
|
|
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