Air Quality
Excellent
No health implications.
2
PM2.5
11
PM10
88
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Oct
56
Good
Mon
19 Oct
56
Good
Tue
20 Oct
67
Good
Wed
21 Oct
48
Excellent
Thu
22 Oct
63
Good
Fri
23 Oct
50
Excellent
Sat
24 Oct
34
Excellent
Air quality in the last 12 months (Longkou)
|
2026/08
|
37
|
40
|
40
|
32
|
30
|
40
|
43
|
46
|
39
|
27
|
26
|
28
|
28
|
39
|
33
|
30
|
39
|
39
|
43
|
40
|
18
|
15
|
16
|
21
|
23
|
24
|
29
|
31
|
28
|
48
|
41
|
|
2026/07
|
30
|
45
|
58
|
40
|
47
|
47
|
27
|
31
|
35
|
31
|
26
|
30
|
20
|
19
|
35
|
33
|
32
|
38
|
41
|
39
|
37
|
33
|
32
|
26
|
34
|
35
|
39
|
36
|
33
|
35
|
36
|
|
2026/06
|
59
|
38
|
22
|
36
|
34
|
32
|
29
|
39
|
50
|
49
|
48
|
69
|
57
|
49
|
36
|
35
|
35
|
41
|
25
|
30
|
36
|
37
|
34
|
32
|
37
|
41
|
64
|
51
|
34
|
31
|
|
|
2026/05
|
63
|
50
|
30
|
31
|
41
|
53
|
40
|
40
|
53
|
55
|
53
|
47
|
48
|
36
|
31
|
34
|
33
|
24
|
23
|
29
|
39
|
32
|
30
|
28
|
36
|
29
|
35
|
44
|
45
|
51
|
68
|
|
2026/04
|
70
|
74
|
74
|
40
|
53
|
35
|
27
|
41
|
28
|
46
|
61
|
54
|
50
|
63
|
77
|
64
|
52
|
56
|
49
|
72
|
70
|
43
|
46
|
54
|
52
|
51
|
65
|
31
|
43
|
55
|
|
|
2026/03
|
121
|
114
|
102
|
108
|
75
|
33
|
31
|
61
|
50
|
50
|
73
|
64
|
75
|
73
|
89
|
91
|
70
|
37
|
43
|
60
|
76
|
88
|
130
|
139
|
93
|
110
|
86
|
75
|
92
|
62
|
41
|
|
2026/02
|
154
|
98
|
83
|
135
|
133
|
31
|
36
|
41
|
64
|
73
|
99
|
120
|
131
|
113
|
55
|
46
|
157
|
53
|
67
|
88
|
77
|
106
|
53
|
43
|
62
|
67
|
82
|
88
|
|||
|
2026/01
|
33
|
35
|
87
|
154
|
47
|
104
|
56
|
42
|
73
|
64
|
27
|
56
|
52
|
61
|
122
|
80
|
24
|
21
|
29
|
35
|
33
|
54
|
93
|
95
|
43
|
50
|
70
|
63
|
43
|
34
|
87
|
|
2025/12
|
35
|
23
|
29
|
38
|
34
|
83
|
90
|
35
|
72
|
77
|
47
|
18
|
37
|
56
|
73
|
93
|
53
|
62
|
96
|
79
|
26
|
31
|
41
|
35
|
26
|
30
|
65
|
109
|
106
|
46
|
23
|
|
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
|
|
|
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