Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jan
Mon
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Fri
16 Jan
Sat
17 Jan
Real-time AQI (Monitoring Station in Huludao)
龙港区
267
PM2.5
26
PM10
57
O3
0.7
CO
10
SO2
12
NO2
化工街
369
PM2.5
36
PM10
46
O3
0.4
CO
24
SO2
20
NO2
新区
299
PM2.5
29
PM10
52
O3
0.8
CO
10
SO2
15
NO2
东城区
2810
PM2.5
28
PM10
50
O3
0.8
CO
12
SO2
21
NO2
Air quality in the last 12 months (Huludao)
|
2025/11
|
55
|
31
|
52
|
61
|
127
|
71
|
63
|
64
|
41
|
48
|
43
|
87
|
49
|
95
|
184
|
75
|
39
|
58
|
77
|
42
|
46
|
86
|
141
|
127
|
24
|
66
|
38
|
77
|
89
|
42
|
|
|
2025/10
|
94
|
73
|
47
|
51
|
47
|
29
|
51
|
30
|
31
|
35
|
43
|
41
|
57
|
108
|
76
|
42
|
48
|
26
|
31
|
40
|
44
|
57
|
54
|
68
|
109
|
43
|
50
|
71
|
120
|
70
|
53
|
|
2025/09
|
55
|
63
|
87
|
58
|
41
|
30
|
47
|
24
|
47
|
26
|
47
|
41
|
39
|
44
|
33
|
47
|
27
|
27
|
51
|
45
|
44
|
46
|
36
|
37
|
38
|
92
|
78
|
55
|
72
|
75
|
|
|
2025/08
|
33
|
27
|
33
|
22
|
30
|
41
|
36
|
29
|
26
|
31
|
51
|
42
|
30
|
55
|
30
|
42
|
34
|
43
|
60
|
25
|
44
|
23
|
47
|
24
|
22
|
29
|
39
|
21
|
33
|
45
|
24
|
|
2025/07
|
59
|
46
|
22
|
39
|
78
|
28
|
41
|
44
|
37
|
43
|
45
|
37
|
24
|
29
|
29
|
29
|
23
|
26
|
34
|
29
|
40
|
54
|
25
|
28
|
40
|
44
|
33
|
43
|
21
|
23
|
38
|
|
2025/06
|
34
|
68
|
44
|
30
|
51
|
49
|
28
|
40
|
44
|
27
|
58
|
33
|
25
|
23
|
22
|
21
|
32
|
45
|
46
|
32
|
29
|
40
|
69
|
33
|
41
|
44
|
55
|
31
|
93
|
64
|
|
|
2025/05
|
52
|
38
|
38
|
35
|
42
|
39
|
44
|
51
|
42
|
44
|
75
|
76
|
61
|
54
|
60
|
38
|
37
|
37
|
58
|
76
|
60
|
74
|
48
|
48
|
42
|
56
|
84
|
52
|
45
|
51
|
50
|
|
2025/04
|
82
|
31
|
43
|
55
|
45
|
62
|
79
|
42
|
33
|
71
|
56
|
55
|
25
|
18
|
53
|
60
|
65
|
23
|
40
|
63
|
40
|
30
|
53
|
44
|
41
|
63
|
33
|
42
|
64
|
83
|
|
|
2025/03
|
122
|
56
|
36
|
51
|
88
|
44
|
48
|
83
|
164
|
118
|
102
|
68
|
57
|
51
|
43
|
36
|
46
|
26
|
58
|
110
|
49
|
55
|
112
|
78
|
105
|
109
|
80
|
36
|
33
|
33
|
73
|
|
2025/02
|
89
|
95
|
45
|
45
|
36
|
57
|
42
|
33
|
52
|
66
|
90
|
51
|
66
|
84
|
130
|
42
|
32
|
39
|
40
|
51
|
41
|
34
|
31
|
61
|
68
|
68
|
142
|
208
|
|||
|
2025/01
|
58
|
42
|
46
|
124
|
108
|
68
|
51
|
37
|
41
|
58
|
79
|
100
|
91
|
51
|
35
|
54
|
65
|
102
|
72
|
105
|
71
|
71
|
101
|
109
|
91
|
110
|
42
|
68
|
207
|
65
|
75
|
|
2024/12
|
80
|
29
|
56
|
51
|
44
|
37
|
52
|
52
|
99
|
56
|
43
|
86
|
59
|
45
|
47
|
68
|
37
|
42
|
71
|
54
|
37
|
48
|
58
|
79
|
78
|
41
|
45
|
45
|
71
|
79
|
59
|
|
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
*: primary pollution