Air Quality
Excellent
No health implications.
16
PM2.5
33
PM10
125
O3
0.7
CO
8
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
70
Good
Mon
16 Jun
92
Good
Tue
17 Jun
119
Light
Wed
18 Jun
126
Light
Thu
19 Jun
97
Good
Fri
20 Jun
65
Good
Sat
21 Jun
25
Excellent
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