Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
24
O3
0.6
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Feb
34
Excellent
Sun
23 Feb
34
Excellent
Mon
24 Feb
45
Excellent
Tue
25 Feb
43
Excellent
Wed
26 Feb
65
Good
Thu
27 Feb
20
Excellent
Fri
28 Feb
18
Excellent
Air quality in the last 12 months (Ceheng)
|
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
|
|
2024/11
|
43
|
34
|
43
|
50
|
39
|
56
|
58
|
58
|
53
|
44
|
41
|
43
|
48
|
53
|
45
|
52
|
55
|
46
|
37
|
21
|
25
|
28
|
33
|
45
|
39
|
21
|
24
|
29
|
33
|
37
|
|
|
2024/10
|
10
|
19
|
27
|
33
|
40
|
53
|
42
|
48
|
43
|
55
|
50
|
50
|
49
|
31
|
23
|
24
|
20
|
26
|
33
|
22
|
28
|
28
|
27
|
34
|
31
|
28
|
39
|
35
|
32
|
31
|
34
|
|
2024/09
|
23
|
24
|
14
|
18
|
28
|
34
|
26
|
19
|
13
|
15
|
19
|
21
|
23
|
30
|
33
|
29
|
21
|
25
|
34
|
38
|
33
|
23
|
32
|
45
|
48
|
42
|
47
|
45
|
30
|
18
|
|
|
2024/08
|
14
|
13
|
13
|
15
|
21
|
21
|
22
|
23
|
24
|
27
|
29
|
49
|
33
|
36
|
29
|
30
|
34
|
28
|
24
|
28
|
24
|
20
|
16
|
17
|
16
|
19
|
21
|
21
|
27
|
28
|
23
|
|
2024/07
|
23
|
18
|
13
|
17
|
17
|
18
|
18
|
19
|
21
|
18
|
16
|
18
|
18
|
16
|
18
|
19
|
17
|
17
|
12
|
15
|
18
|
19
|
19
|
13
|
17
|
24
|
28
|
21
|
17
|
15
|
13
|
|
2024/06
|
24
|
26
|
13
|
14
|
17
|
18
|
17
|
15
|
11
|
13
|
21
|
22
|
23
|
15
|
28
|
20
|
20
|
22
|
20
|
20
|
23
|
18
|
20
|
16
|
13
|
12
|
12
|
17
|
15
|
17
|
|
|
2024/05
|
29
|
17
|
21
|
29
|
31
|
26
|
31
|
25
|
17
|
16
|
23
|
16
|
23
|
30
|
25
|
22
|
27
|
23
|
17
|
25
|
24
|
19
|
25
|
27
|
31
|
15
|
18
|
16
|
19
|
16
|
19
|
|
2024/04
|
53
|
48
|
63
|
54
|
30
|
28
|
24
|
21
|
30
|
43
|
51
|
53
|
57
|
54
|
64
|
72
|
55
|
28
|
44
|
37
|
22
|
33
|
24
|
36
|
46
|
38
|
55
|
54
|
64
|
48
|
|
|
2024/03
|
29
|
46
|
49
|
44
|
42
|
37
|
58
|
66
|
48
|
24
|
24
|
40
|
42
|
34
|
24
|
48
|
69
|
59
|
24
|
45
|
56
|
42
|
34
|
42
|
42
|
55
|
58
|
40
|
34
|
54
|
59
|
|
2024/02
|
40
|
44
|
43
|
40
|
35
|
24
|
27
|
32
|
57
|
122
|
62
|
38
|
45
|
48
|
65
|
46
|
54
|
34
|
40
|
45
|
48
|
53
|
31
|
23
|
22
|
23
|
29
|
24
|
23
|
||
|
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