Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
84
O3
0.5
CO
8
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jul
89
Good
Fri
11 Jul
86
Good
Sat
12 Jul
85
Good
Sun
13 Jul
93
Good
Mon
14 Jul
93
Good
Tue
15 Jul
34
Excellent
Wed
16 Jul
41
Excellent
Real-time AQI (Monitoring Station in Haidong)
平安区公安北苑
3925
PM2.5
39
PM10
84
O3
0.5
CO
8
SO2
1
NO2
Air quality in the last 12 months (Haidong)
|
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
|
|
2024/11
|
48
|
39
|
57
|
52
|
51
|
57
|
52
|
47
|
66
|
66
|
59
|
58
|
55
|
65
|
85
|
56
|
58
|
55
|
70
|
66
|
71
|
55
|
68
|
46
|
46
|
63
|
48
|
49
|
70
|
78
|
|
|
2024/10
|
37
|
39
|
46
|
50
|
54
|
47
|
53
|
53
|
42
|
40
|
43
|
42
|
42
|
43
|
52
|
25
|
32
|
43
|
47
|
44
|
48
|
42
|
44
|
55
|
54
|
45
|
40
|
44
|
56
|
61
|
47
|
|
2024/09
|
42
|
44
|
39
|
18
|
20
|
25
|
28
|
42
|
20
|
29
|
28
|
32
|
18
|
34
|
42
|
25
|
33
|
39
|
44
|
23
|
33
|
39
|
27
|
43
|
43
|
45
|
59
|
57
|
32
|
29
|
|
|
2024/08
|
38
|
29
|
32
|
36
|
35
|
40
|
35
|
34
|
39
|
32
|
35
|
35
|
37
|
22
|
28
|
33
|
32
|
34
|
35
|
41
|
44
|
50
|
47
|
36
|
30
|
42
|
47
|
46
|
28
|
48
|
46
|
|
2024/07
|
20
|
24
|
27
|
25
|
39
|
48
|
52
|
51
|
53
|
46
|
55
|
49
|
50
|
34
|
48
|
39
|
38
|
35
|
36
|
38
|
228
|
60
|
47
|
79
|
51
|
55
|
46
|
35
|
26
|
29
|
31
|
|
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
Air quality source: CNEMC
*: primary pollution