Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
56
*
PM10
113
O3
0.6
CO
6
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 May
82
Good
Fri
17 May
82
Good
Sat
18 May
75
Good
Sun
19 May
60
Good
Mon
20 May
69
Good
Tue
21 May
69
Good
Air quality in the last 12 months (Cheng County)
|
2024/02
|
76
|
34
|
43
|
56
|
56
|
61
|
65
|
71
|
97
|
150
|
64
|
72
|
67
|
60
|
40
|
42
|
42
|
136
|
377
|
192
|
59
|
57
|
47
|
81
|
75
|
63
|
60
|
66
|
61
|
||
|
2024/01
|
85
|
65
|
61
|
64
|
71
|
64
|
69
|
83
|
77
|
71
|
79
|
87
|
92
|
78
|
76
|
72
|
83
|
54
|
36
|
50
|
51
|
43
|
40
|
39
|
50
|
60
|
67
|
62
|
54
|
54
|
74
|
|
2023/12
|
52
|
59
|
61
|
66
|
87
|
198
|
104
|
78
|
68
|
84
|
59
|
54
|
40
|
39
|
62
|
54
|
51
|
55
|
59
|
65
|
66
|
82
|
87
|
75
|
75
|
76
|
73
|
94
|
112
|
89
|
84
|
|
2023/11
|
33
|
49
|
48
|
44
|
41
|
49
|
53
|
47
|
46
|
56
|
50
|
55
|
42
|
42
|
52
|
57
|
57
|
58
|
59
|
58
|
61
|
62
|
73
|
63
|
58
|
64
|
63
|
62
|
57
|
52
|
|
|
2023/10
|
31
|
23
|
21
|
20
|
23
|
24
|
24
|
28
|
25
|
30
|
29
|
22
|
28
|
26
|
30
|
36
|
31
|
24
|
26
|
38
|
34
|
36
|
41
|
43
|
44
|
39
|
34
|
35
|
37
|
37
|
35
|
|
2023/09
|
26
|
34
|
39
|
36
|
39
|
37
|
37
|
46
|
25
|
22
|
27
|
27
|
29
|
27
|
27
|
28
|
28
|
24
|
18
|
22
|
23
|
23
|
22
|
23
|
22
|
22
|
23
|
23
|
27
|
29
|
|
|
2023/08
|
30
|
26
|
25
|
23
|
26
|
29
|
28
|
23
|
23
|
28
|
24
|
28
|
31
|
32
|
33
|
30
|
72
|
34
|
31
|
32
|
37
|
35
|
33
|
32
|
28
|
24
|
29
|
30
|
29
|
32
|
29
|
|
2023/07
|
33
|
28
|
27
|
33
|
41
|
38
|
35
|
42
|
38
|
38
|
34
|
28
|
27
|
32
|
37
|
33
|
34
|
34
|
33
|
42
|
39
|
40
|
35
|
31
|
28
|
29
|
22
|
21
|
25
|
25
|
25
|
|
2023/06
|
27
|
25
|
23
|
25
|
35
|
35
|
34
|
35
|
40
|
44
|
45
|
37
|
34
|
38
|
35
|
29
|
25
|
44
|
62
|
49
|
39
|
39
|
36
|
33
|
34
|
33
|
34
|
40
|
45
|
39
|
|
|
2023/05
|
56
|
47
|
42
|
66
|
65
|
37
|
25
|
26
|
23
|
28
|
47
|
55
|
47
|
46
|
47
|
48
|
53
|
34
|
43
|
46
|
44
|
34
|
37
|
33
|
39
|
38
|
31
|
29
|
24
|
36
|
33
|
|
2023/04
|
46
|
43
|
33
|
32
|
49
|
92
|
85
|
66
|
56
|
64
|
134
|
107
|
44
|
57
|
57
|
56
|
59
|
62
|
42
|
445
|
63
|
22
|
22
|
27
|
42
|
51
|
53
|
72
|
69
|
56
|
|
|
2023/03
|
66
|
67
|
59
|
59
|
59
|
58
|
56
|
45
|
54
|
55
|
100
|
79
|
68
|
61
|
88
|
36
|
34
|
34
|
41
|
34
|
61
|
146
|
39
|
37
|
44
|
55
|
51
|
45
|
42
|
51
|
50
|
|
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