Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
27
PM2.5
63
*
PM10
85
O3
0.5
CO
6
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Jul
58
Good
Sun
20 Jul
56
Good
Mon
21 Jul
63
Good
Tue
22 Jul
62
Good
Wed
23 Jul
58
Good
Thu
24 Jul
62
Good
Fri
25 Jul
36
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