Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
49
O3
0.4
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
47
Excellent
Sat
13 Dec
58
Good
Sun
14 Dec
59
Good
Mon
15 Dec
89
Good
Tue
16 Dec
91
Good
Wed
17 Dec
76
Good
Thu
18 Dec
32
Excellent
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