Air Quality
Excellent
No health implications.
9
PM2.5
33
PM10
87
O3
0.3
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
44
Excellent
Thu
15 May
96
Good
Fri
16 May
105
Light
Sat
17 May
60
Good
Sun
18 May
77
Good
Mon
19 May
62
Good
Tue
20 May
19
Excellent
Air quality in the last 12 months (Beidaihe)
|
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
|
|
2024/06
|
55
|
53
|
54
|
50
|
44
|
49
|
48
|
48
|
57
|
52
|
63
|
52
|
40
|
37
|
21
|
48
|
62
|
65
|
46
|
33
|
30
|
59
|
116
|
36
|
35
|
54
|
57
|
38
|
31
|
45
|
|
|
2024/05
|
58
|
66
|
78
|
54
|
35
|
69
|
63
|
74
|
84
|
69
|
242
|
44
|
64
|
73
|
46
|
58
|
65
|
53
|
38
|
23
|
53
|
57
|
49
|
29
|
29
|
36
|
38
|
56
|
54
|
56
|
35
|
|
2024/04
|
60
|
64
|
48
|
46
|
64
|
92
|
107
|
101
|
58
|
87
|
124
|
75
|
34
|
37
|
125
|
65
|
67
|
79
|
58
|
76
|
62
|
52
|
30
|
30
|
72
|
70
|
61
|
48
|
35
|
42
|
|
|
2024/03
|
32
|
49
|
42
|
50
|
61
|
45
|
64
|
37
|
50
|
90
|
138
|
69
|
95
|
140
|
82
|
99
|
48
|
52
|
49
|
37
|
57
|
56
|
44
|
45
|
40
|
76
|
74
|
190
|
85
|
71
|
57
|
|
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