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
19 Apr
Sun
20 Apr
Mon
21 Apr
Tue
22 Apr
Wed
23 Apr
Thu
24 Apr
Fri
25 Apr
Real-time AQI (Monitoring Station in Haidong)
平安区公安北苑
11865
PM2.5
185 *
PM10
64
O3
0.3
CO
7
SO2
3
NO2
Air quality in the last 12 months (Haidong)
|
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
|
|
2024/06
|
51
|
44
|
41
|
39
|
40
|
29
|
49
|
34
|
38
|
35
|
34
|
38
|
34
|
32
|
37
|
26
|
31
|
26
|
48
|
33
|
25
|
32
|
32
|
38
|
39
|
34
|
35
|
34
|
30
|
26
|
|
|
2024/05
|
40
|
37
|
43
|
46
|
58
|
61
|
56
|
50
|
55
|
58
|
27
|
41
|
42
|
42
|
101
|
90
|
77
|
67
|
82
|
50
|
55
|
53
|
69
|
174
|
54
|
48
|
41
|
39
|
22
|
28
|
47
|
|
2024/04
|
62
|
80
|
57
|
56
|
39
|
38
|
30
|
49
|
38
|
41
|
42
|
46
|
55
|
154
|
237
|
100
|
67
|
43
|
46
|
29
|
39
|
31
|
33
|
39
|
38
|
48
|
60
|
323
|
61
|
39
|
|
|
2024/03
|
61
|
64
|
69
|
82
|
65
|
69
|
76
|
89
|
76
|
59
|
43
|
58
|
61
|
61
|
135
|
197
|
79
|
90
|
60
|
56
|
62
|
64
|
82
|
36
|
43
|
40
|
45
|
38
|
44
|
187
|
86
|
|
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