Air Quality
Excellent
No health implications.
8
PM2.5
21
PM10
108
O3
0.6
CO
10
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
93
Good
Fri
18 Jul
84
Good
Sat
19 Jul
58
Good
Sun
20 Jul
59
Good
Mon
21 Jul
81
Good
Tue
22 Jul
81
Good
Wed
23 Jul
38
Excellent
Real-time AQI (Monitoring Station in Haidong)
平安区公安北苑
348
PM2.5
21
PM10
108
O3
0.6
CO
10
SO2
12
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