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
15 Jul
Wed
16 Jul
Thu
17 Jul
Fri
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
Huludao Air quality rank
Real-time AQI (Monitoring Station in Huludao)
龙港区
4610
PM2.5
46
PM10
32
O3
0.5
CO
10
SO2
47
NO2
化工街
4119
PM2.5
41
PM10
35
O3
0.4
CO
48
SO2
47
NO2
新区
3323
PM2.5
23
PM10
51
O3
0.9
CO
8
SO2
54
NO2
东城区
359
PM2.5
35
PM10
39
O3
0.5
CO
13
SO2
35
NO2
Air quality in the last 12 months (Huludao)
|
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
|
|
|
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
|
|
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