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
22 Nov
Sat
23 Nov
Sun
24 Nov
Mon
25 Nov
Tue
26 Nov
Wed
27 Nov
Thu
28 Nov
Real-time AQI (Monitoring Station in Huludao)
龙港区
4813
PM2.5
48
PM10
58
O3
0.5
CO
22
SO2
17
NO2
化工街
4424
PM2.5
44
PM10
55
O3
0.5
CO
23
SO2
16
NO2
新区
3419
PM2.5
34
PM10
60
O3
0.6
CO
17
SO2
13
NO2
东城区
5213
PM2.5
53 *
PM10
58
O3
0.5
CO
18
SO2
11
NO2
Air quality in the last 12 months (Huludao)
|
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
|
|
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
|
|
|
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