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 Apr
Thu
3 Apr
Fri
4 Apr
Sat
5 Apr
Sun
6 Apr
Mon
7 Apr
Tue
8 Apr
Huludao Air quality rank
Real-time AQI (Monitoring Station in Huludao)
龙港区
2813
PM2.5
28
PM10
48
O3
0.4
CO
12
SO2
29
NO2
化工街
227
PM2.5
22
PM10
64
O3
0.4
CO
16
SO2
21
NO2
新区
328
PM2.5
32
PM10
71
O3
0.4
CO
14
SO2
31
NO2
东城区
213
PM2.5
21
PM10
66
O3
0.5
CO
7
SO2
20
NO2
Air quality in the last 12 months (Huludao)
|
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
|
|
|
2024/10
|
22
|
22
|
40
|
47
|
64
|
55
|
38
|
51
|
52
|
39
|
52
|
59
|
60
|
36
|
30
|
41
|
52
|
41
|
33
|
32
|
45
|
35
|
46
|
83
|
96
|
91
|
35
|
74
|
86
|
39
|
85
|
|
2024/09
|
22
|
28
|
36
|
30
|
23
|
35
|
36
|
43
|
38
|
22
|
35
|
42
|
48
|
19
|
27
|
44
|
39
|
39
|
49
|
18
|
19
|
25
|
39
|
44
|
38
|
42
|
51
|
55
|
37
|
16
|
|
|
2024/08
|
31
|
28
|
49
|
18
|
21
|
37
|
37
|
57
|
55
|
29
|
58
|
41
|
21
|
29
|
37
|
44
|
44
|
44
|
30
|
22
|
19
|
30
|
26
|
35
|
36
|
39
|
33
|
31
|
39
|
54
|
35
|
|
2024/07
|
49
|
60
|
34
|
62
|
90
|
32
|
39
|
57
|
60
|
54
|
71
|
74
|
67
|
64
|
45
|
22
|
24
|
52
|
64
|
36
|
34
|
34
|
36
|
36
|
15
|
10
|
14
|
20
|
41
|
34
|
38
|
|
2024/06
|
33
|
53
|
49
|
50
|
32
|
44
|
37
|
42
|
64
|
64
|
61
|
47
|
41
|
28
|
24
|
46
|
60
|
77
|
35
|
24
|
23
|
59
|
87
|
20
|
30
|
47
|
50
|
28
|
22
|
30
|
|
|
2024/05
|
62
|
53
|
64
|
44
|
41
|
67
|
62
|
82
|
108
|
66
|
120
|
30
|
62
|
66
|
44
|
53
|
59
|
48
|
25
|
25
|
55
|
51
|
40
|
33
|
55
|
45
|
27
|
50
|
51
|
49
|
24
|
|
2024/04
|
60
|
82
|
51
|
51
|
59
|
108
|
130
|
77
|
62
|
106
|
108
|
61
|
39
|
39
|
140
|
62
|
61
|
60
|
48
|
73
|
55
|
39
|
31
|
29
|
58
|
70
|
54
|
24
|
34
|
40
|
|
|
2024/03
|
31
|
58
|
50
|
81
|
72
|
45
|
70
|
43
|
61
|
94
|
94
|
41
|
74
|
130
|
103
|
172
|
73
|
62
|
32
|
27
|
75
|
49
|
73
|
36
|
35
|
65
|
86
|
198
|
87
|
65
|
60
|
|
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