Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
48
PM2.5
98
*
PM10
28
O3
1.1
CO
8
SO2
67
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Mar
108
Light
Thu
26 Mar
116
Light
Fri
27 Mar
116
Light
Sat
28 Mar
116
Light
Sun
29 Mar
80
Good
Mon
30 Mar
97
Good
Tue
31 Mar
19
Excellent
Air quality in the last 12 months (Chengyang)
|
2026/02
|
181
|
161
|
95
|
111
|
156
|
39
|
34
|
45
|
59
|
74
|
117
|
134
|
97
|
87
|
59
|
55
|
217
|
83
|
74
|
74
|
61
|
103
|
53
|
30
|
67
|
60
|
85
|
96
|
|||
|
2026/01
|
37
|
44
|
67
|
146
|
94
|
121
|
91
|
51
|
76
|
79
|
40
|
64
|
80
|
71
|
143
|
112
|
35
|
24
|
27
|
33
|
37
|
51
|
78
|
115
|
54
|
66
|
87
|
75
|
65
|
37
|
100
|
|
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
|
|
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