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
20 Oct
Wed
21 Oct
Thu
22 Oct
Fri
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Real-time AQI (Monitoring Station in Huludao)
龙港区
1812
PM2.5
12
PM10
40
O3
0.4
CO
9
SO2
15
NO2
化工街
1913
PM2.5
14
PM10
33
O3
0.4
CO
5
SO2
18
NO2
新区
143
PM2.5
12
PM10
42
O3
0.6
CO
7
SO2
15
NO2
东城区
1812
PM2.5
12
PM10
43
O3
0.6
CO
7
SO2
16
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