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
1 Nov
Mon
2 Nov
Tue
3 Nov
Wed
4 Nov
Thu
5 Nov
Fri
6 Nov
Sat
7 Nov
Real-time AQI (Monitoring Station in Huludao)
龙港区
5333
PM2.5
54 *
PM10
50
O3
0.4
CO
12
SO2
23
NO2
化工街
5829
PM2.5
61 *
PM10
37
O3
0.3
CO
6
SO2
29
NO2
新区
5035
PM2.5
43
PM10
49
O3
0.4
CO
8
SO2
19
NO2
东城区
4934
PM2.5
49
PM10
31
O3
0.5
CO
7
SO2
35
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