Air Quality
Excellent
No health implications.
20
PM2.5
38
PM10
21
O3
0.6
CO
8
SO2
40
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Nov
47
Excellent
Fri
21 Nov
61
Good
Sat
22 Nov
97
Good
Sun
23 Nov
115
Light
Mon
24 Nov
63
Good
Tue
25 Nov
76
Good
Wed
26 Nov
49
Excellent
Air quality in the last 12 months (Beidaihe)
|
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
|
|
2024/11
|
88
|
44
|
81
|
24
|
40
|
29
|
58
|
73
|
87
|
92
|
36
|
49
|
43
|
33
|
38
|
52
|
23
|
25
|
43
|
71
|
40
|
31
|
31
|
67
|
61
|
17
|
17
|
23
|
26
|
35
|
|
|
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