Air Quality
Excellent
No health implications.
20
PM2.5
30
PM10
72
O3
0.5
CO
9
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Dec
55
Good
Tue
23 Dec
56
Good
Wed
24 Dec
46
Excellent
Thu
25 Dec
37
Excellent
Fri
26 Dec
47
Excellent
Sat
27 Dec
55
Good
Sun
28 Dec
15
Excellent
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