Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
75
*
PM2.5
105
PM10
130
O3
0.9
CO
9
SO2
30
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
4 Feb
120
Light
Thu
5 Feb
133
Light
Fri
6 Feb
54
Good
Sat
7 Feb
56
Good
Sun
8 Feb
57
Good
Mon
9 Feb
70
Good
Tue
10 Feb
40
Excellent
Chengyang Air quality rank
Air quality in the last 12 months (Chengyang)
|
2025/12
|
58
|
34
|
37
|
56
|
43
|
84
|
107
|
53
|
67
|
44
|
53
|
32
|
46
|
61
|
74
|
97
|
64
|
47
|
82
|
107
|
34
|
36
|
37
|
57
|
38
|
38
|
54
|
82
|
166
|
67
|
33
|
|
2025/11
|
75
|
42
|
24
|
39
|
28
|
45
|
51
|
55
|
75
|
50
|
60
|
66
|
75
|
72
|
111
|
81
|
35
|
48
|
61
|
74
|
79
|
97
|
106
|
122
|
49
|
67
|
110
|
84
|
118
|
133
|
|
|
2025/10
|
54
|
22
|
12
|
19
|
9
|
12
|
29
|
22
|
31
|
18
|
22
|
18
|
29
|
40
|
16
|
39
|
52
|
26
|
27
|
22
|
25
|
30
|
38
|
44
|
73
|
91
|
43
|
52
|
33
|
22
|
33
|
|
2025/09
|
18
|
29
|
20
|
18
|
20
|
18
|
38
|
46
|
52
|
47
|
30
|
17
|
16
|
29
|
18
|
20
|
13
|
17
|
13
|
39
|
38
|
19
|
11
|
34
|
47
|
41
|
42
|
29
|
58
|
59
|
|
|
2025/08
|
12
|
16
|
13
|
21
|
17
|
15
|
23
|
21
|
10
|
17
|
24
|
14
|
15
|
22
|
19
|
28
|
39
|
36
|
31
|
31
|
26
|
33
|
42
|
27
|
35
|
22
|
20
|
26
|
33
|
20
|
15
|
|
2025/07
|
31
|
35
|
41
|
42
|
45
|
45
|
38
|
13
|
24
|
33
|
29
|
35
|
28
|
21
|
30
|
21
|
26
|
27
|
22
|
18
|
17
|
15
|
15
|
19
|
21
|
18
|
20
|
16
|
15
|
16
|
15
|
|
2025/06
|
37
|
23
|
34
|
29
|
40
|
46
|
41
|
28
|
18
|
19
|
17
|
20
|
11
|
10
|
24
|
39
|
42
|
41
|
15
|
16
|
44
|
39
|
44
|
31
|
39
|
53
|
30
|
35
|
14
|
17
|
|
|
2025/05
|
51
|
43
|
30
|
37
|
21
|
20
|
34
|
38
|
22
|
35
|
48
|
60
|
56
|
58
|
45
|
35
|
51
|
36
|
64
|
67
|
50
|
55
|
50
|
49
|
37
|
50
|
49
|
25
|
38
|
36
|
41
|
|
2025/04
|
68
|
39
|
42
|
41
|
48
|
55
|
85
|
73
|
56
|
62
|
50
|
109
|
57
|
55
|
55
|
72
|
117
|
65
|
50
|
56
|
32
|
41
|
55
|
68
|
56
|
65
|
52
|
54
|
62
|
72
|
|
|
2025/03
|
25
|
33
|
40
|
29
|
27
|
46
|
37
|
83
|
89
|
62
|
32
|
68
|
52
|
57
|
50
|
40
|
50
|
33
|
48
|
62
|
60
|
70
|
88
|
119
|
112
|
110
|
108
|
65
|
42
|
48
|
70
|
|
2025/02
|
48
|
64
|
55
|
31
|
36
|
52
|
51
|
31
|
44
|
52
|
34
|
70
|
77
|
72
|
99
|
87
|
45
|
30
|
39
|
47
|
49
|
30
|
49
|
51
|
74
|
95
|
90
|
89
|
|||
|
2025/01
|
101
|
78
|
70
|
64
|
154
|
97
|
49
|
42
|
34
|
44
|
70
|
85
|
90
|
96
|
38
|
68
|
70
|
89
|
127
|
72
|
97
|
89
|
38
|
33
|
80
|
71
|
56
|
41
|
75
|
53
|
48
|
|
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