Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Oct
Sun
18 Oct
Mon
19 Oct
Tue
20 Oct
Wed
21 Oct
Thu
22 Oct
Fri
23 Oct
Real-time AQI (Monitoring Station in Huludao)
龙港区
4426
PM2.5
44
PM10
126
O3
0.5
CO
9
SO2
8
NO2
化工街
6026
PM2.5
63 *
PM10
116
O3
0.4
CO
8
SO2
11
NO2
新区
4623
PM2.5
46
PM10
117
O3
0.7
CO
7
SO2
6
NO2
Air quality in the last 12 months (Huludao)
|
2026/08
|
46
|
52
|
46
|
42
|
43
|
55
|
38
|
32
|
33
|
39
|
28
|
30
|
25
|
31
|
39
|
44
|
29
|
37
|
57
|
50
|
43
|
30
|
24
|
25
|
31
|
41
|
48
|
22
|
31
|
48
|
24
|
|
2026/07
|
34
|
41
|
59
|
59
|
38
|
38
|
46
|
46
|
49
|
36
|
25
|
35
|
25
|
26
|
43
|
45
|
58
|
67
|
43
|
45
|
48
|
44
|
34
|
33
|
33
|
42
|
37
|
60
|
46
|
47
|
43
|
|
2026/06
|
64
|
53
|
34
|
27
|
24
|
31
|
28
|
32
|
34
|
30
|
36
|
63
|
48
|
42
|
44
|
40
|
40
|
48
|
35
|
26
|
27
|
51
|
35
|
43
|
32
|
43
|
82
|
56
|
33
|
34
|
|
|
2026/05
|
54
|
50
|
26
|
39
|
50
|
53
|
36
|
34
|
41
|
55
|
53
|
38
|
45
|
42
|
36
|
34
|
43
|
32
|
31
|
41
|
39
|
30
|
31
|
41
|
40
|
41
|
47
|
45
|
36
|
61
|
80
|
|
2026/04
|
61
|
59
|
106
|
37
|
36
|
29
|
27
|
44
|
38
|
41
|
50
|
104
|
50
|
57
|
80
|
83
|
71
|
132
|
69
|
142
|
69
|
58
|
55
|
61
|
56
|
39
|
42
|
29
|
35
|
58
|
|
|
2026/03
|
68
|
82
|
137
|
60
|
37
|
32
|
30
|
60
|
27
|
40
|
88
|
68
|
58
|
41
|
91
|
81
|
107
|
34
|
49
|
37
|
91
|
155
|
168
|
174
|
141
|
167
|
32
|
52
|
64
|
38
|
51
|
|
2026/02
|
78
|
42
|
92
|
133
|
111
|
32
|
42
|
37
|
79
|
83
|
71
|
150
|
209
|
121
|
47
|
64
|
193
|
20
|
71
|
123
|
113
|
63
|
41
|
83
|
92
|
59
|
45
|
36
|
|||
|
2026/01
|
58
|
78
|
90
|
82
|
65
|
71
|
33
|
60
|
109
|
42
|
23
|
55
|
24
|
51
|
73
|
32
|
33
|
37
|
35
|
45
|
61
|
67
|
69
|
82
|
51
|
91
|
81
|
52
|
78
|
62
|
59
|
|
2025/12
|
33
|
33
|
60
|
60
|
54
|
126
|
60
|
28
|
99
|
120
|
35
|
55
|
82
|
80
|
114
|
73
|
78
|
103
|
159
|
41
|
35
|
49
|
55
|
44
|
34
|
38
|
94
|
150
|
41
|
50
|
36
|
|
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
|
|
|
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