Air Quality
Excellent
No health implications.
22
PM2.5
38
PM10
74
O3
0.6
CO
12
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Mar
53
Good
Mon
16 Mar
47
Excellent
Tue
17 Mar
47
Excellent
Wed
18 Mar
51
Good
Thu
19 Mar
46
Excellent
Fri
20 Mar
47
Excellent
Sat
21 Mar
40
Excellent
Air quality in the last 12 months (Ceheng)
|
2026/02
|
28
|
28
|
30
|
54
|
64
|
59
|
41
|
24
|
17
|
30
|
33
|
27
|
36
|
43
|
42
|
68
|
65
|
35
|
16
|
32
|
38
|
50
|
41
|
55
|
40
|
35
|
33
|
43
|
|||
|
2026/01
|
39
|
20
|
19
|
26
|
28
|
34
|
58
|
65
|
74
|
74
|
87
|
81
|
89
|
78
|
80
|
76
|
81
|
55
|
51
|
46
|
27
|
29
|
43
|
44
|
37
|
40
|
51
|
35
|
43
|
45
|
25
|
|
2025/12
|
70
|
79
|
70
|
59
|
39
|
44
|
50
|
44
|
45
|
55
|
51
|
51
|
41
|
38
|
44
|
53
|
50
|
47
|
41
|
52
|
50
|
43
|
41
|
34
|
42
|
43
|
59
|
57
|
48
|
52
|
51
|
|
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
|
|
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