Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
14 Feb
Sun
15 Feb
Mon
16 Feb
Tue
17 Feb
Wed
18 Feb
Thu
19 Feb
Fri
20 Feb
Huludao Air quality rank
Real-time AQI (Monitoring Station in Huludao)
化工街
12796 *
PM2.5
107
PM10
74
O3
0.9
CO
17
SO2
32
NO2
Air quality in the last 12 months (Huludao)
|
2026/01
|
58
|
78
|
90
|
82
|
65
|
71
|
33
|
60
|
109
|
42
|
23
|
55
|
24
|
51
|
73
|
32
|
33
|
37
|
35
|
45
|
61
|
67
|
69
|
82
|
51
|
91
|
81
|
52
|
78
|
62
|
59
|
|
2025/12
|
33
|
33
|
60
|
60
|
54
|
126
|
60
|
28
|
99
|
120
|
35
|
55
|
82
|
80
|
114
|
73
|
78
|
103
|
159
|
41
|
35
|
49
|
55
|
44
|
34
|
38
|
94
|
150
|
41
|
50
|
36
|
|
2025/11
|
55
|
31
|
52
|
61
|
127
|
71
|
63
|
64
|
41
|
48
|
43
|
87
|
49
|
95
|
184
|
75
|
39
|
58
|
77
|
42
|
46
|
86
|
141
|
127
|
24
|
66
|
38
|
77
|
89
|
42
|
|
|
2025/10
|
94
|
73
|
47
|
51
|
47
|
29
|
51
|
30
|
31
|
35
|
43
|
41
|
57
|
108
|
76
|
42
|
48
|
26
|
31
|
40
|
44
|
57
|
54
|
68
|
109
|
43
|
50
|
71
|
120
|
70
|
53
|
|
2025/09
|
55
|
63
|
87
|
58
|
41
|
30
|
47
|
24
|
47
|
26
|
47
|
41
|
39
|
44
|
33
|
47
|
27
|
27
|
51
|
45
|
44
|
46
|
36
|
37
|
38
|
92
|
78
|
55
|
72
|
75
|
|
|
2025/08
|
33
|
27
|
33
|
22
|
30
|
41
|
36
|
29
|
26
|
31
|
51
|
42
|
30
|
55
|
30
|
42
|
34
|
43
|
60
|
25
|
44
|
23
|
47
|
24
|
22
|
29
|
39
|
21
|
33
|
45
|
24
|
|
2025/07
|
59
|
46
|
22
|
39
|
78
|
28
|
41
|
44
|
37
|
43
|
45
|
37
|
24
|
29
|
29
|
29
|
23
|
26
|
34
|
29
|
40
|
54
|
25
|
28
|
40
|
44
|
33
|
43
|
21
|
23
|
38
|
|
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
|
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
|
28
|
29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
*: primary pollution