Air Quality
Excellent
No health implications.
17
PM2.5
31
PM10
95
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
64
Good
Sun
20 Apr
83
Good
Mon
21 Apr
64
Good
Tue
22 Apr
59
Good
Wed
23 Apr
55
Good
Thu
24 Apr
36
Excellent
Fri
25 Apr
30
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