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
9 Jan
Sat
10 Jan
Sun
11 Jan
Mon
12 Jan
Tue
13 Jan
Wed
14 Jan
Thu
15 Jan
Real-time AQI (Monitoring Station in Haidong)
平安区公安北苑
5135
PM2.5
52 *
PM10
4
O3
1.5
CO
16
SO2
52
NO2
滨河路
5227
PM2.5
53 *
PM10
20
O3
0.8
CO
8
SO2
50
NO2
Air quality in the last 12 months (Haidong)
|
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
|
|
2024/12
|
50
|
51
|
64
|
58
|
70
|
80
|
68
|
66
|
85
|
75
|
85
|
60
|
58
|
92
|
81
|
57
|
60
|
70
|
84
|
91
|
114
|
143
|
130
|
102
|
109
|
105
|
60
|
75
|
76
|
82
|
55
|
|
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