Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Feb
Fri
6 Feb
Sat
7 Feb
Sun
8 Feb
Mon
9 Feb
Tue
10 Feb
Wed
11 Feb
Haidong Air quality rank
Real-time AQI (Monitoring Station in Haidong)
平安区公安北苑
7756 *
PM2.5
72
PM10
80
O3
0.8
CO
24
SO2
12
NO2
滨河路
7756 *
PM2.5
83
PM10
62
O3
0.9
CO
30
SO2
46
NO2
Air quality in the last 12 months (Haidong)
|
2025/12
|
65
|
59
|
58
|
72
|
71
|
61
|
67
|
72
|
77
|
73
|
82
|
104
|
56
|
59
|
61
|
66
|
69
|
55
|
60
|
46
|
85
|
87
|
67
|
68
|
68
|
82
|
71
|
57
|
63
|
60
|
80
|
|
2025/11
|
62
|
59
|
54
|
64
|
63
|
38
|
48
|
81
|
79
|
61
|
62
|
59
|
61
|
62
|
63
|
66
|
50
|
48
|
55
|
53
|
69
|
89
|
73
|
102
|
50
|
54
|
48
|
47
|
51
|
60
|
|
|
2025/10
|
24
|
40
|
49
|
60
|
48
|
42
|
24
|
19
|
31
|
19
|
33
|
26
|
36
|
39
|
34
|
56
|
33
|
55
|
41
|
54
|
56
|
47
|
29
|
39
|
49
|
39
|
49
|
52
|
56
|
56
|
56
|
|
2025/09
|
32
|
21
|
39
|
47
|
34
|
60
|
55
|
39
|
45
|
45
|
40
|
36
|
45
|
76
|
82
|
94
|
38
|
28
|
40
|
41
|
39
|
30
|
31
|
41
|
36
|
44
|
42
|
41
|
47
|
42
|
|
|
2025/08
|
54
|
43
|
44
|
19
|
29
|
31
|
46
|
21
|
30
|
39
|
31
|
29
|
33
|
31
|
34
|
43
|
42
|
38
|
32
|
107
|
24
|
27
|
30
|
35
|
44
|
28
|
17
|
16
|
30
|
27
|
34
|
|
2025/07
|
30
|
29
|
35
|
26
|
30
|
28
|
41
|
38
|
41
|
44
|
39
|
37
|
34
|
40
|
54
|
32
|
23
|
32
|
44
|
21
|
30
|
37
|
49
|
66
|
36
|
34
|
46
|
44
|
42
|
40
|
94
|
|
2025/06
|
41
|
41
|
34
|
29
|
38
|
46
|
46
|
38
|
36
|
34
|
44
|
38
|
42
|
39
|
39
|
35
|
42
|
45
|
44
|
36
|
29
|
26
|
26
|
23
|
27
|
33
|
24
|
32
|
22
|
32
|
|
|
2025/05
|
40
|
98
|
167
|
93
|
64
|
110
|
120
|
57
|
47
|
36
|
33
|
42
|
54
|
31
|
36
|
41
|
74
|
41
|
47
|
41
|
38
|
51
|
49
|
36
|
29
|
40
|
40
|
44
|
84
|
73
|
74
|
|
2025/04
|
118
|
115
|
107
|
144
|
97
|
70
|
93
|
75
|
78
|
60
|
72
|
41
|
44
|
45
|
58
|
116
|
77
|
99
|
100
|
108
|
75
|
72
|
42
|
53
|
52
|
45
|
33
|
49
|
39
|
37
|
|
|
2025/03
|
75
|
59
|
67
|
63
|
54
|
66
|
70
|
57
|
58
|
61
|
251
|
129
|
98
|
53
|
58
|
51
|
51
|
50
|
52
|
60
|
59
|
71
|
63
|
51
|
39
|
407
|
102
|
62
|
75
|
110
|
90
|
|
2025/02
|
61
|
57
|
51
|
50
|
45
|
56
|
54
|
58
|
63
|
52
|
75
|
69
|
79
|
62
|
51
|
57
|
54
|
56
|
68
|
65
|
72
|
72
|
56
|
58
|
57
|
45
|
55
|
54
|
|||
|
2025/01
|
55
|
62
|
66
|
59
|
51
|
68
|
67
|
70
|
83
|
60
|
53
|
41
|
44
|
67
|
64
|
58
|
62
|
65
|
57
|
49
|
60
|
78
|
98
|
90
|
66
|
56
|
61
|
66
|
108
|
59
|
42
|
|
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