Air Quality
Excellent
No health implications.
16
PM2.5
43
PM10
123
O3
0.4
CO
2
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Aug
90
Good
Tue
19 Aug
64
Good
Wed
20 Aug
64
Good
Thu
21 Aug
85
Good
Fri
22 Aug
82
Good
Sat
23 Aug
23
Excellent
Sun
24 Aug
28
Excellent
Air quality in the last 12 months (Beidaihe)
|
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
|
|
|
2024/10
|
16
|
17
|
29
|
55
|
69
|
62
|
27
|
32
|
52
|
40
|
61
|
60
|
55
|
59
|
62
|
25
|
47
|
37
|
21
|
20
|
43
|
33
|
40
|
117
|
96
|
76
|
55
|
59
|
87
|
43
|
79
|
|
2024/09
|
27
|
16
|
27
|
39
|
24
|
22
|
35
|
46
|
47
|
20
|
22
|
21
|
36
|
23
|
20
|
46
|
49
|
23
|
30
|
24
|
16
|
21
|
33
|
51
|
44
|
23
|
33
|
40
|
34
|
19
|
|
|
2024/08
|
41
|
39
|
54
|
25
|
31
|
42
|
42
|
55
|
39
|
33
|
65
|
51
|
25
|
23
|
32
|
41
|
45
|
35
|
23
|
18
|
25
|
41
|
27
|
29
|
45
|
24
|
29
|
26
|
48
|
59
|
34
|
|
2024/07
|
47
|
50
|
40
|
49
|
71
|
39
|
38
|
48
|
59
|
59
|
70
|
65
|
59
|
62
|
50
|
34
|
40
|
56
|
58
|
47
|
51
|
38
|
48
|
52
|
31
|
26
|
25
|
32
|
43
|
40
|
50
|
|
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