Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
117
*
PM2.5
135
PM10
35
O3
0.7
CO
8
SO2
15
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
16 Oct
63
Good
Fri
17 Oct
61
Good
Sat
18 Oct
59
Good
Sun
19 Oct
60
Good
Mon
20 Oct
62
Good
Tue
21 Oct
56
Good
Wed
22 Oct
20
Excellent
Air quality in the last 12 months (Chengzihe)
|
2025/08
|
33
|
24
|
24
|
15
|
23
|
20
|
20
|
19
|
18
|
17
|
23
|
31
|
29
|
21
|
29
|
20
|
21
|
26
|
24
|
22
|
30
|
13
|
22
|
28
|
23
|
13
|
24
|
30
|
15
|
32
|
43
|
|
2025/07
|
31
|
19
|
23
|
30
|
40
|
17
|
26
|
33
|
33
|
33
|
34
|
37
|
24
|
19
|
18
|
11
|
22
|
20
|
23
|
21
|
19
|
19
|
29
|
33
|
26
|
14
|
25
|
21
|
21
|
17
|
21
|
|
2025/06
|
48
|
30
|
17
|
15
|
22
|
21
|
23
|
28
|
31
|
19
|
18
|
22
|
30
|
30
|
25
|
19
|
20
|
25
|
30
|
21
|
14
|
15
|
29
|
42
|
47
|
55
|
42
|
53
|
33
|
30
|
|
|
2025/05
|
38
|
38
|
30
|
27
|
21
|
38
|
45
|
38
|
37
|
22
|
46
|
54
|
47
|
40
|
25
|
46
|
36
|
19
|
22
|
30
|
30
|
19
|
21
|
25
|
21
|
27
|
33
|
44
|
47
|
47
|
54
|
|
2025/04
|
101
|
80
|
66
|
63
|
60
|
20
|
38
|
70
|
67
|
73
|
161
|
104
|
47
|
31
|
28
|
35
|
61
|
55
|
39
|
70
|
103
|
32
|
41
|
39
|
41
|
19
|
38
|
56
|
39
|
42
|
|
|
2025/03
|
31
|
23
|
41
|
55
|
58
|
45
|
43
|
67
|
77
|
82
|
85
|
89
|
23
|
24
|
27
|
30
|
43
|
42
|
45
|
77
|
96
|
17
|
53
|
70
|
112
|
91
|
26
|
18
|
34
|
27
|
57
|
|
2025/02
|
67
|
103
|
91
|
41
|
31
|
32
|
49
|
34
|
32
|
44
|
64
|
75
|
37
|
33
|
48
|
49
|
26
|
21
|
22
|
29
|
30
|
27
|
25
|
33
|
69
|
36
|
63
|
74
|
|||
|
2025/01
|
86
|
65
|
46
|
56
|
95
|
99
|
87
|
69
|
43
|
41
|
65
|
103
|
98
|
76
|
49
|
68
|
67
|
110
|
137
|
132
|
138
|
179
|
139
|
99
|
101
|
102
|
83
|
77
|
78
|
50
|
48
|
|
2024/12
|
35
|
29
|
36
|
25
|
19
|
28
|
23
|
30
|
46
|
58
|
28
|
34
|
32
|
37
|
34
|
37
|
32
|
28
|
34
|
80
|
64
|
56
|
49
|
39
|
79
|
40
|
25
|
39
|
64
|
93
|
94
|
|
2024/11
|
65
|
51
|
57
|
46
|
48
|
21
|
51
|
98
|
103
|
90
|
77
|
139
|
184
|
135
|
98
|
91
|
28
|
33
|
63
|
71
|
91
|
36
|
43
|
72
|
68
|
24
|
37
|
52
|
34
|
24
|
|
|
2024/10
|
12
|
26
|
49
|
51
|
55
|
42
|
33
|
57
|
54
|
43
|
36
|
49
|
49
|
54
|
25
|
39
|
52
|
55
|
37
|
39
|
56
|
35
|
33
|
51
|
62
|
51
|
27
|
50
|
62
|
63
|
73
|
|
2024/09
|
20
|
12
|
26
|
38
|
12
|
21
|
30
|
36
|
34
|
19
|
24
|
33
|
28
|
22
|
28
|
38
|
24
|
30
|
30
|
21
|
30
|
33
|
40
|
43
|
36
|
21
|
36
|
43
|
45
|
33
|
|
|
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