Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
86
*
PM10
66
O3
3.2
CO
37
SO2
31
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Jun
48
Excellent
Sun
8 Jun
50
Excellent
Mon
9 Jun
68
Good
Tue
10 Jun
61
Good
Wed
11 Jun
68
Good
Thu
12 Jun
65
Good
Fri
13 Jun
23
Excellent
Air quality in the last 12 months (Chengbei)
|
2025/04
|
121
|
115
|
105
|
144
|
104
|
72
|
108
|
71
|
75
|
56
|
69
|
38
|
45
|
53
|
62
|
105
|
78
|
96
|
106
|
112
|
79
|
79
|
44
|
52
|
56
|
43
|
33
|
47
|
45
|
43
|
|
|
2025/03
|
82
|
58
|
66
|
67
|
58
|
76
|
70
|
57
|
59
|
61
|
218
|
150
|
103
|
48
|
61
|
51
|
52
|
49
|
56
|
62
|
63
|
70
|
59
|
59
|
48
|
359
|
111
|
62
|
77
|
133
|
96
|
|
2025/02
|
66
|
57
|
46
|
53
|
42
|
53
|
53
|
59
|
65
|
57
|
76
|
76
|
74
|
64
|
52
|
56
|
57
|
56
|
74
|
65
|
71
|
69
|
61
|
58
|
55
|
53
|
63
|
56
|
|||
|
2025/01
|
93
|
62
|
76
|
68
|
62
|
72
|
75
|
96
|
92
|
57
|
62
|
51
|
52
|
67
|
69
|
64
|
76
|
61
|
62
|
61
|
85
|
71
|
94
|
90
|
86
|
60
|
58
|
73
|
165
|
60
|
49
|
|
2024/12
|
62
|
65
|
84
|
62
|
74
|
92
|
66
|
72
|
82
|
64
|
91
|
61
|
62
|
100
|
103
|
67
|
79
|
82
|
84
|
101
|
107
|
134
|
136
|
118
|
117
|
103
|
56
|
82
|
88
|
93
|
71
|
|
2024/11
|
62
|
52
|
61
|
56
|
59
|
70
|
59
|
55
|
78
|
68
|
64
|
60
|
55
|
80
|
98
|
53
|
55
|
56
|
74
|
75
|
79
|
74
|
87
|
46
|
39
|
73
|
54
|
54
|
92
|
98
|
|
|
2024/10
|
27
|
37
|
48
|
48
|
47
|
48
|
52
|
51
|
39
|
42
|
49
|
38
|
45
|
52
|
57
|
31
|
39
|
45
|
45
|
50
|
62
|
40
|
54
|
58
|
55
|
39
|
45
|
49
|
64
|
65
|
45
|
|
2024/09
|
42
|
40
|
36
|
19
|
17
|
22
|
25
|
48
|
20
|
21
|
27
|
31
|
18
|
28
|
42
|
23
|
28
|
37
|
42
|
22
|
27
|
38
|
35
|
47
|
49
|
39
|
65
|
53
|
26
|
20
|
|
|
2024/08
|
44
|
24
|
27
|
30
|
39
|
33
|
34
|
36
|
38
|
24
|
35
|
39
|
47
|
20
|
27
|
29
|
33
|
30
|
36
|
38
|
46
|
52
|
46
|
36
|
29
|
30
|
46
|
46
|
29
|
47
|
37
|
|
2024/07
|
22
|
29
|
26
|
37
|
44
|
54
|
53
|
40
|
47
|
49
|
47
|
45
|
43
|
30
|
48
|
42
|
33
|
36
|
28
|
46
|
180
|
49
|
45
|
60
|
54
|
60
|
51
|
25
|
25
|
36
|
32
|
|
2024/06
|
49
|
41
|
34
|
32
|
40
|
27
|
41
|
31
|
35
|
40
|
34
|
38
|
32
|
33
|
41
|
26
|
37
|
25
|
49
|
33
|
31
|
33
|
37
|
37
|
45
|
40
|
50
|
33
|
33
|
27
|
|
|
2024/05
|
46
|
39
|
42
|
37
|
57
|
63
|
62
|
56
|
54
|
45
|
27
|
38
|
45
|
47
|
227
|
84
|
72
|
60
|
67
|
44
|
54
|
57
|
68
|
123
|
44
|
44
|
43
|
34
|
19
|
27
|
42
|
|
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