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
17 Sep
Fri
18 Sep
Sat
19 Sep
Sun
20 Sep
Mon
21 Sep
Tue
22 Sep
Wed
23 Sep
Real-time AQI (Monitoring Station in Huludao)
龙港区
2813
PM2.5
21
PM10
88
O3
0.2
CO
6
SO2
11
NO2
化工街
297
PM2.5
29
PM10
80
O3
0.2
CO
2
SO2
13
NO2
新区
2710
PM2.5
23
PM10
86
O3
0.4
CO
5
SO2
11
NO2
东城区
2715
PM2.5
22
PM10
84
O3
0.5
CO
5
SO2
15
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