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
2 Dec
Wed
3 Dec
Thu
4 Dec
Fri
5 Dec
Sat
6 Dec
Sun
7 Dec
Mon
8 Dec
Real-time AQI (Monitoring Station in Huludao)
龙港区
2014
PM2.5
20
PM10
51
O3
0.7
CO
12
SO2
18
NO2
化工街
197
PM2.5
19
PM10
55
O3
0.3
CO
7
SO2
14
NO2
新区
189
PM2.5
16
PM10
57
O3
0.6
CO
7
SO2
13
NO2
东城区
183
PM2.5
9
PM10
56
O3
0.5
CO
7
SO2
16
NO2
Air quality in the last 12 months (Huludao)
|
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
|
|
2024/11
|
76
|
57
|
91
|
39
|
47
|
43
|
73
|
86
|
74
|
73
|
45
|
59
|
60
|
45
|
61
|
33
|
38
|
31
|
59
|
80
|
48
|
42
|
61
|
95
|
59
|
15
|
24
|
41
|
54
|
55
|
|
|
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