Air Quality
Excellent
No health implications.
14
PM2.5
28
PM10
67
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
66
Good
Fri
22 Aug
53
Good
Sat
23 Aug
49
Excellent
Sun
24 Aug
54
Good
Mon
25 Aug
52
Good
Tue
26 Aug
41
Excellent
Wed
27 Aug
24
Excellent
Cheng County Air quality rank
Air quality in the last 12 months (Cheng County)
|
2025/06
|
33
|
37
|
40
|
34
|
36
|
39
|
33
|
34
|
32
|
34
|
38
|
39
|
35
|
46
|
60
|
48
|
44
|
32
|
41
|
45
|
34
|
26
|
27
|
27
|
24
|
25
|
23
|
32
|
34
|
20
|
|
|
2025/05
|
61
|
49
|
80
|
73
|
37
|
70
|
39
|
45
|
86
|
43
|
51
|
56
|
42
|
60
|
53
|
52
|
70
|
62
|
65
|
59
|
56
|
90
|
63
|
42
|
37
|
44
|
30
|
29
|
32
|
45
|
52
|
|
2025/04
|
81
|
84
|
75
|
76
|
88
|
59
|
44
|
72
|
73
|
67
|
93
|
480
|
155
|
82
|
63
|
70
|
67
|
141
|
127
|
61
|
74
|
98
|
65
|
53
|
50
|
40
|
40
|
51
|
51
|
58
|
|
|
2025/03
|
61
|
51
|
37
|
30
|
34
|
43
|
47
|
57
|
38
|
34
|
110
|
117
|
77
|
32
|
53
|
50
|
52
|
46
|
47
|
52
|
47
|
48
|
55
|
47
|
44
|
149
|
189
|
94
|
89
|
68
|
65
|
|
2025/02
|
70
|
56
|
40
|
48
|
54
|
49
|
62
|
62
|
55
|
46
|
57
|
79
|
61
|
53
|
52
|
58
|
46
|
42
|
59
|
60
|
69
|
58
|
50
|
48
|
51
|
43
|
41
|
46
|
|||
|
2025/01
|
78
|
63
|
67
|
74
|
70
|
78
|
68
|
59
|
55
|
58
|
54
|
59
|
61
|
66
|
52
|
59
|
68
|
67
|
69
|
70
|
72
|
85
|
117
|
100
|
65
|
71
|
71
|
85
|
132
|
110
|
87
|
|
2024/12
|
63
|
73
|
70
|
59
|
54
|
58
|
54
|
51
|
40
|
51
|
62
|
56
|
43
|
50
|
61
|
68
|
70
|
60
|
53
|
65
|
68
|
58
|
53
|
58
|
59
|
60
|
56
|
55
|
72
|
63
|
55
|
|
2024/11
|
33
|
28
|
42
|
45
|
39
|
36
|
42
|
42
|
43
|
45
|
43
|
47
|
40
|
30
|
38
|
42
|
33
|
18
|
26
|
38
|
39
|
36
|
43
|
31
|
36
|
50
|
54
|
57
|
54
|
62
|
|
|
2024/10
|
25
|
26
|
29
|
27
|
33
|
38
|
39
|
39
|
35
|
31
|
36
|
26
|
27
|
29
|
26
|
34
|
32
|
37
|
31
|
20
|
28
|
36
|
41
|
42
|
43
|
30
|
27
|
34
|
38
|
36
|
30
|
|
2024/09
|
22
|
34
|
33
|
25
|
16
|
27
|
23
|
28
|
21
|
22
|
28
|
29
|
26
|
25
|
35
|
32
|
27
|
31
|
31
|
28
|
24
|
29
|
33
|
36
|
29
|
25
|
50
|
59
|
30
|
20
|
|
|
2024/08
|
30
|
35
|
21
|
19
|
20
|
24
|
23
|
24
|
50
|
57
|
47
|
34
|
33
|
32
|
18
|
26
|
30
|
24
|
26
|
25
|
30
|
35
|
37
|
39
|
35
|
28
|
25
|
26
|
29
|
28
|
28
|
|
2024/07
|
22
|
26
|
18
|
19
|
29
|
35
|
19
|
16
|
24
|
25
|
24
|
22
|
25
|
24
|
16
|
15
|
16
|
19
|
18
|
18
|
13
|
23
|
21
|
56
|
70
|
56
|
48
|
38
|
27
|
29
|
27
|
|
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