Air Quality
Excellent
No health implications.
26
PM2.5
31
PM10
84
O3
0.2
CO
8
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
63
Good
Sun
17 May
64
Good
Mon
18 May
55
Good
Tue
19 May
57
Good
Wed
20 May
73
Good
Thu
21 May
71
Good
Fri
22 May
32
Excellent
Air quality in the last 12 months (Beidaihe)
|
2026/04
|
63
|
62
|
110
|
41
|
47
|
33
|
30
|
51
|
33
|
53
|
61
|
90
|
55
|
55
|
72
|
73
|
69
|
102
|
85
|
104
|
70
|
51
|
53
|
65
|
67
|
45
|
34
|
36
|
41
|
55
|
|
|
2026/03
|
62
|
72
|
129
|
57
|
42
|
36
|
40
|
69
|
26
|
42
|
67
|
61
|
61
|
45
|
72
|
58
|
109
|
50
|
61
|
46
|
94
|
100
|
151
|
174
|
143
|
155
|
56
|
52
|
79
|
38
|
51
|
|
2026/02
|
78
|
46
|
92
|
132
|
78
|
32
|
33
|
35
|
87
|
99
|
102
|
130
|
154
|
143
|
37
|
59
|
78
|
33
|
62
|
99
|
154
|
64
|
46
|
59
|
81
|
57
|
36
|
46
|
|||
|
2026/01
|
36
|
43
|
59
|
64
|
85
|
55
|
28
|
52
|
90
|
39
|
27
|
63
|
30
|
59
|
85
|
57
|
25
|
45
|
29
|
45
|
40
|
43
|
53
|
47
|
29
|
50
|
62
|
41
|
51
|
70
|
79
|
|
2025/12
|
25
|
24
|
24
|
35
|
36
|
100
|
65
|
28
|
47
|
76
|
37
|
32
|
64
|
43
|
103
|
65
|
65
|
110
|
129
|
27
|
25
|
54
|
63
|
34
|
29
|
40
|
70
|
156
|
69
|
46
|
33
|
|
2025/11
|
50
|
15
|
30
|
77
|
122
|
81
|
45
|
54
|
50
|
37
|
39
|
108
|
27
|
61
|
154
|
69
|
23
|
25
|
44
|
32
|
38
|
89
|
114
|
78
|
25
|
66
|
39
|
59
|
110
|
49
|
|
|
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
|
|
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