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
25 Jun
Thu
26 Jun
Fri
27 Jun
Sat
28 Jun
Sun
29 Jun
Mon
30 Jun
Tue
1 Jul
Real-time AQI (Monitoring Station in Huludao)
龙港区
459
PM2.5
27
PM10
144
O3
0.4
CO
6
SO2
7
NO2
化工街
4212
PM2.5
17
PM10
133
O3
0.4
CO
6
SO2
10
NO2
新区
467
PM2.5
12
PM10
146
O3
0.5
CO
4
SO2
6
NO2
东城区
418
PM2.5
18
PM10
130
O3
0.5
CO
4
SO2
11
NO2
Air quality in the last 12 months (Huludao)
|
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
|
|
|
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
|
|
|
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