Air Quality
Excellent
No health implications.
13
PM2.5
26
PM10
35
O3
0.5
CO
8
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Dec
50
Excellent
Mon
22 Dec
58
Good
Tue
23 Dec
58
Good
Wed
24 Dec
48
Excellent
Thu
25 Dec
53
Good
Fri
26 Dec
78
Good
Sat
27 Dec
43
Excellent
Longkou Air quality rank
Air quality in the last 12 months (Longkou)
|
2025/11
|
74
|
23
|
23
|
49
|
54
|
52
|
79
|
70
|
62
|
41
|
65
|
90
|
52
|
58
|
134
|
90
|
28
|
28
|
43
|
52
|
54
|
94
|
141
|
143
|
29
|
59
|
57
|
65
|
114
|
120
|
|
|
2025/10
|
59
|
27
|
11
|
25
|
17
|
13
|
20
|
25
|
15
|
10
|
13
|
21
|
29
|
35
|
26
|
49
|
48
|
20
|
23
|
20
|
18
|
18
|
23
|
33
|
76
|
71
|
29
|
52
|
43
|
33
|
31
|
|
2025/09
|
23
|
40
|
39
|
21
|
24
|
17
|
38
|
47
|
53
|
43
|
31
|
28
|
19
|
31
|
27
|
24
|
21
|
15
|
14
|
28
|
31
|
23
|
18
|
29
|
53
|
60
|
46
|
37
|
51
|
62
|
|
|
2025/08
|
11
|
16
|
16
|
17
|
22
|
15
|
16
|
19
|
9
|
13
|
30
|
21
|
22
|
26
|
18
|
15
|
15
|
27
|
25
|
25
|
27
|
23
|
32
|
20
|
27
|
16
|
27
|
19
|
16
|
15
|
13
|
|
2025/07
|
27
|
23
|
30
|
33
|
37
|
32
|
33
|
19
|
22
|
37
|
35
|
27
|
28
|
23
|
20
|
15
|
21
|
22
|
22
|
15
|
12
|
11
|
12
|
15
|
20
|
21
|
21
|
15
|
12
|
14
|
16
|
|
2025/06
|
43
|
35
|
34
|
27
|
42
|
54
|
41
|
34
|
36
|
25
|
24
|
19
|
13
|
10
|
19
|
29
|
33
|
36
|
18
|
21
|
41
|
39
|
33
|
33
|
34
|
44
|
38
|
44
|
21
|
20
|
|
|
2025/05
|
50
|
37
|
23
|
40
|
27
|
24
|
44
|
39
|
25
|
33
|
46
|
56
|
54
|
55
|
37
|
42
|
44
|
39
|
63
|
67
|
44
|
65
|
41
|
49
|
46
|
55
|
56
|
41
|
41
|
48
|
47
|
|
2025/04
|
67
|
38
|
37
|
47
|
41
|
50
|
76
|
59
|
38
|
58
|
50
|
96
|
62
|
37
|
46
|
63
|
85
|
41
|
32
|
54
|
32
|
39
|
46
|
55
|
51
|
62
|
49
|
45
|
57
|
69
|
|
|
2025/03
|
58
|
55
|
41
|
28
|
24
|
40
|
45
|
102
|
129
|
81
|
49
|
73
|
48
|
49
|
54
|
41
|
46
|
36
|
55
|
55
|
49
|
61
|
79
|
99
|
94
|
111
|
81
|
38
|
33
|
47
|
65
|
|
2025/02
|
44
|
74
|
39
|
23
|
27
|
46
|
36
|
24
|
32
|
63
|
51
|
53
|
63
|
82
|
107
|
72
|
31
|
29
|
37
|
48
|
40
|
26
|
38
|
43
|
70
|
87
|
115
|
127
|
|||
|
2025/01
|
76
|
51
|
49
|
92
|
163
|
48
|
34
|
28
|
27
|
28
|
51
|
67
|
87
|
70
|
26
|
48
|
53
|
99
|
111
|
55
|
95
|
60
|
49
|
55
|
75
|
78
|
39
|
30
|
73
|
54
|
46
|
|
2024/12
|
79
|
48
|
27
|
48
|
74
|
43
|
24
|
31
|
63
|
81
|
27
|
44
|
51
|
35
|
42
|
49
|
49
|
25
|
38
|
82
|
34
|
39
|
56
|
57
|
112
|
37
|
44
|
46
|
67
|
86
|
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