Air Quality
Excellent
No health implications.
13
PM2.5
36
PM10
108
O3
0.5
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
89
Good
Mon
5 May
76
Good
Tue
6 May
56
Good
Wed
7 May
59
Good
Thu
8 May
60
Good
Fri
9 May
37
Excellent
Sat
10 May
16
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