Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
56
O3
0.3
CO
3
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
61
Good
Mon
22 Dec
80
Good
Tue
23 Dec
93
Good
Wed
24 Dec
58
Good
Thu
25 Dec
72
Good
Fri
26 Dec
74
Good
Sat
27 Dec
19
Excellent
Beidaihe Air quality rank
Air quality in the last 12 months (Beidaihe)
|
2025/11
|
50
|
15
|
30
|
77
|
122
|
81
|
45
|
54
|
50
|
37
|
39
|
108
|
27
|
61
|
154
|
69
|
23
|
25
|
44
|
32
|
38
|
89
|
114
|
78
|
25
|
66
|
39
|
59
|
110
|
49
|
|
|
2025/10
|
87
|
71
|
49
|
62
|
53
|
29
|
55
|
38
|
19
|
23
|
29
|
40
|
47
|
61
|
78
|
42
|
43
|
17
|
17
|
20
|
28
|
33
|
36
|
53
|
112
|
62
|
26
|
37
|
104
|
79
|
43
|
|
2025/09
|
57
|
62
|
61
|
53
|
45
|
46
|
57
|
37
|
57
|
39
|
50
|
49
|
48
|
51
|
39
|
46
|
23
|
24
|
48
|
48
|
50
|
42
|
33
|
60
|
73
|
69
|
69
|
64
|
55
|
79
|
|
|
2025/08
|
35
|
29
|
31
|
26
|
25
|
37
|
35
|
28
|
24
|
37
|
48
|
49
|
39
|
52
|
42
|
40
|
40
|
42
|
35
|
22
|
27
|
33
|
42
|
24
|
24
|
39
|
39
|
33
|
51
|
55
|
39
|
|
2025/07
|
37
|
40
|
23
|
43
|
49
|
28
|
37
|
45
|
41
|
42
|
40
|
33
|
28
|
28
|
31
|
25
|
31
|
27
|
27
|
33
|
45
|
39
|
31
|
32
|
37
|
39
|
34
|
32
|
24
|
28
|
32
|
|
2025/06
|
50
|
60
|
30
|
29
|
44
|
55
|
34
|
34
|
44
|
42
|
50
|
38
|
31
|
27
|
20
|
27
|
37
|
48
|
42
|
41
|
37
|
59
|
65
|
49
|
43
|
41
|
41
|
27
|
81
|
56
|
|
|
2025/05
|
48
|
46
|
35
|
53
|
48
|
38
|
54
|
61
|
38
|
37
|
69
|
77
|
69
|
56
|
54
|
47
|
48
|
44
|
76
|
76
|
64
|
71
|
52
|
40
|
48
|
62
|
86
|
60
|
57
|
69
|
65
|
|
2025/04
|
74
|
28
|
52
|
63
|
37
|
53
|
74
|
51
|
42
|
68
|
68
|
96
|
38
|
29
|
56
|
67
|
75
|
39
|
41
|
57
|
56
|
41
|
73
|
49
|
55
|
74
|
57
|
55
|
66
|
90
|
|
|
2025/03
|
110
|
58
|
29
|
51
|
74
|
43
|
48
|
83
|
155
|
100
|
112
|
64
|
57
|
50
|
32
|
29
|
43
|
32
|
53
|
45
|
43
|
55
|
86
|
98
|
76
|
95
|
87
|
36
|
42
|
45
|
73
|
|
2025/02
|
60
|
85
|
40
|
26
|
28
|
45
|
23
|
26
|
40
|
69
|
99
|
54
|
73
|
81
|
108
|
44
|
29
|
39
|
45
|
42
|
36
|
41
|
30
|
57
|
69
|
70
|
124
|
186
|
|||
|
2025/01
|
43
|
31
|
34
|
81
|
90
|
34
|
19
|
17
|
19
|
32
|
38
|
48
|
61
|
30
|
31
|
43
|
64
|
84
|
63
|
68
|
53
|
48
|
58
|
81
|
82
|
99
|
27
|
56
|
73
|
39
|
36
|
|
2024/12
|
72
|
26
|
42
|
21
|
31
|
26
|
28
|
24
|
50
|
41
|
26
|
65
|
44
|
22
|
32
|
30
|
21
|
21
|
47
|
54
|
32
|
40
|
39
|
55
|
94
|
27
|
23
|
29
|
65
|
73
|
36
|
|
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