Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
108
O3
0.7
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jul
96
Good
Fri
4 Jul
112
Light
Sat
5 Jul
112
Light
Sun
6 Jul
105
Light
Mon
7 Jul
101
Light
Tue
8 Jul
98
Good
Wed
9 Jul
44
Excellent
Longkou Air quality rank
Air quality in the last 12 months (Longkou)
|
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
|
|
2024/11
|
81
|
77
|
66
|
42
|
32
|
51
|
54
|
45
|
50
|
63
|
68
|
76
|
57
|
34
|
46
|
54
|
29
|
20
|
42
|
73
|
73
|
26
|
25
|
50
|
38
|
22
|
24
|
32
|
38
|
58
|
|
|
2024/10
|
19
|
17
|
31
|
39
|
44
|
43
|
37
|
37
|
43
|
61
|
50
|
60
|
44
|
23
|
51
|
29
|
36
|
17
|
49
|
31
|
28
|
31
|
37
|
75
|
78
|
65
|
58
|
38
|
69
|
74
|
86
|
|
2024/09
|
39
|
27
|
26
|
30
|
22
|
20
|
27
|
40
|
24
|
23
|
21
|
18
|
33
|
26
|
16
|
30
|
31
|
26
|
21
|
24
|
33
|
30
|
30
|
33
|
42
|
34
|
27
|
39
|
26
|
20
|
|
|
2024/08
|
25
|
36
|
30
|
26
|
11
|
17
|
21
|
27
|
22
|
27
|
66
|
69
|
52
|
39
|
31
|
35
|
37
|
24
|
12
|
12
|
18
|
34
|
45
|
28
|
43
|
24
|
14
|
24
|
29
|
47
|
41
|
|
2024/07
|
44
|
23
|
35
|
36
|
25
|
14
|
29
|
35
|
46
|
51
|
62
|
64
|
62
|
38
|
31
|
13
|
20
|
38
|
44
|
15
|
26
|
18
|
16
|
28
|
13
|
13
|
14
|
20
|
20
|
29
|
28
|
|
2024/06
|
36
|
52
|
46
|
45
|
27
|
29
|
24
|
40
|
60
|
57
|
63
|
38
|
34
|
20
|
22
|
36
|
40
|
45
|
20
|
18
|
9
|
20
|
70
|
45
|
37
|
41
|
29
|
28
|
18
|
34
|
|
|
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