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
5 Nov
Wed
6 Nov
Thu
7 Nov
Fri
8 Nov
Sat
9 Nov
Sun
10 Nov
Mon
11 Nov
Real-time AQI (Monitoring Station in Huludao)
龙港区
243
PM2.5
14
PM10
75
O3
0.2
CO
8
SO2
2
NO2
化工街
223
PM2.5
14
PM10
70
O3
0.0
CO
17
SO2
9
NO2
新区
263
PM2.5
26
PM10
74
O3
0.2
CO
10
SO2
7
NO2
东城区
246
PM2.5
24
PM10
74
O3
0.3
CO
9
SO2
5
NO2
Air quality in the last 12 months (Huludao)
|
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
|
|
2024/02
|
39
|
76
|
60
|
63
|
31
|
64
|
89
|
80
|
180
|
215
|
93
|
146
|
134
|
61
|
39
|
55
|
52
|
44
|
40
|
34
|
33
|
30
|
37
|
77
|
73
|
62
|
76
|
66
|
49
|
||
|
2024/01
|
105
|
201
|
117
|
109
|
50
|
53
|
37
|
67
|
43
|
61
|
91
|
69
|
43
|
58
|
80
|
90
|
106
|
36
|
33
|
32
|
30
|
25
|
56
|
60
|
78
|
90
|
70
|
106
|
69
|
113
|
56
|
|
2023/12
|
53
|
58
|
77
|
109
|
152
|
58
|
105
|
118
|
36
|
36
|
35
|
47
|
51
|
110
|
68
|
32
|
44
|
108
|
88
|
32
|
39
|
52
|
96
|
147
|
90
|
69
|
90
|
124
|
131
|
186
|
33
|
|
2023/11
|
58
|
113
|
31
|
58
|
73
|
42
|
42
|
70
|
30
|
27
|
38
|
40
|
56
|
84
|
106
|
55
|
29
|
51
|
52
|
61
|
150
|
145
|
40
|
28
|
51
|
49
|
58
|
45
|
33
|
40
|
|
|
2023/10
|
32
|
46
|
49
|
41
|
38
|
52
|
52
|
41
|
28
|
48
|
64
|
76
|
48
|
39
|
41
|
30
|
54
|
42
|
34
|
25
|
26
|
42
|
75
|
103
|
165
|
35
|
66
|
73
|
93
|
73
|
96
|
|
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