Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
77
O3
0.3
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jul
79
Good
Tue
15 Jul
72
Good
Wed
16 Jul
69
Good
Thu
17 Jul
76
Good
Fri
18 Jul
94
Good
Sat
19 Jul
36
Excellent
Sun
20 Jul
41
Excellent
Longkou Air quality rank
Air quality in the last 12 months (Longkou)
|
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
|
|
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
|
|
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