Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
58
PM2.5
202
*
PM10
89
O3
0.5
CO
7
SO2
12
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
29 Oct
73
Good
Fri
30 Oct
79
Good
Sat
31 Oct
85
Good
Sun
1 Nov
69
Good
Mon
2 Nov
65
Good
Tue
3 Nov
73
Good
Wed
4 Nov
22
Excellent
Air quality in the last 12 months (Chengcheng)
|
2026/08
|
26
|
28
|
20
|
25
|
28
|
39
|
40
|
44
|
44
|
44
|
42
|
33
|
28
|
30
|
34
|
34
|
41
|
29
|
34
|
40
|
51
|
41
|
42
|
42
|
34
|
32
|
37
|
32
|
32
|
47
|
37
|
|
2026/07
|
36
|
34
|
38
|
39
|
40
|
45
|
42
|
44
|
46
|
41
|
33
|
26
|
41
|
43
|
30
|
39
|
29
|
45
|
61
|
47
|
47
|
39
|
42
|
39
|
44
|
36
|
29
|
28
|
24
|
24
|
28
|
|
2026/06
|
64
|
65
|
63
|
55
|
49
|
37
|
39
|
36
|
34
|
36
|
46
|
40
|
44
|
56
|
49
|
56
|
52
|
33
|
33
|
28
|
27
|
31
|
34
|
41
|
33
|
40
|
46
|
47
|
48
|
35
|
|
|
2026/05
|
46
|
37
|
36
|
45
|
47
|
50
|
43
|
42
|
43
|
58
|
69
|
72
|
49
|
34
|
52
|
45
|
25
|
24
|
36
|
34
|
39
|
32
|
41
|
48
|
34
|
37
|
53
|
54
|
45
|
42
|
47
|
|
2026/04
|
48
|
63
|
112
|
84
|
78
|
79
|
78
|
72
|
60
|
58
|
57
|
61
|
55
|
51
|
48
|
45
|
46
|
56
|
142
|
120
|
40
|
25
|
42
|
48
|
54
|
60
|
97
|
78
|
57
|
51
|
|
|
2026/03
|
18
|
40
|
72
|
75
|
71
|
47
|
49
|
76
|
79
|
123
|
93
|
106
|
137
|
51
|
44
|
68
|
68
|
88
|
83
|
82
|
80
|
102
|
83
|
63
|
74
|
68
|
60
|
68
|
56
|
48
|
48
|
|
2026/02
|
116
|
84
|
72
|
111
|
117
|
83
|
50
|
49
|
68
|
118
|
102
|
97
|
91
|
95
|
68
|
56
|
172
|
98
|
71
|
58
|
164
|
415
|
113
|
56
|
68
|
69
|
49
|
34
|
|||
|
2026/01
|
80
|
109
|
154
|
99
|
60
|
41
|
50
|
58
|
62
|
67
|
61
|
67
|
80
|
102
|
108
|
86
|
95
|
101
|
48
|
33
|
45
|
70
|
98
|
110
|
97
|
149
|
137
|
133
|
110
|
129
|
130
|
|
2025/12
|
81
|
60
|
51
|
70
|
84
|
120
|
97
|
81
|
99
|
119
|
114
|
73
|
89
|
99
|
101
|
105
|
89
|
99
|
94
|
51
|
65
|
86
|
87
|
89
|
57
|
64
|
87
|
108
|
107
|
91
|
79
|
|
2025/11
|
63
|
68
|
71
|
83
|
89
|
67
|
34
|
45
|
81
|
92
|
85
|
75
|
58
|
79
|
88
|
71
|
25
|
33
|
49
|
66
|
75
|
85
|
70
|
98
|
79
|
144
|
149
|
101
|
95
|
89
|
|
|
2025/10
|
35
|
26
|
31
|
32
|
27
|
14
|
15
|
20
|
21
|
17
|
14
|
17
|
27
|
41
|
26
|
30
|
20
|
24
|
38
|
26
|
28
|
43
|
63
|
73
|
56
|
46
|
55
|
63
|
76
|
85
|
66
|
|
2025/09
|
35
|
32
|
18
|
10
|
30
|
48
|
57
|
51
|
40
|
36
|
23
|
22
|
36
|
45
|
43
|
32
|
21
|
13
|
17
|
37
|
16
|
14
|
22
|
30
|
37
|
33
|
32
|
34
|
40
|
52
|
|
|
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