Air Quality
Excellent
No health implications.
25
PM2.5
34
PM10
52
O3
0.6
CO
11
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
66
Good
Fri
3 May
58
Good
Sat
4 May
76
Good
Sun
5 May
76
Good
Mon
6 May
66
Good
Tue
7 May
66
Good
Wed
8 May
46
Excellent
Real-time AQI (Monitoring Station in Haidong)
平安区公安北苑
3625
PM2.5
34
PM10
52
O3
0.6
CO
11
SO2
18
NO2
Air quality in the last 12 months (Haidong)
|
2024/02
|
74
|
82
|
61
|
68
|
65
|
56
|
74
|
77
|
59
|
95
|
31
|
35
|
39
|
61
|
41
|
39
|
46
|
421
|
180
|
246
|
200
|
145
|
119
|
107
|
120
|
94
|
107
|
88
|
63
|
||
|
2024/01
|
71
|
64
|
59
|
55
|
64
|
75
|
69
|
59
|
55
|
51
|
49
|
45
|
61
|
76
|
77
|
66
|
52
|
58
|
68
|
87
|
64
|
67
|
51
|
66
|
70
|
71
|
66
|
63
|
58
|
69
|
60
|
|
2023/12
|
68
|
64
|
60
|
50
|
79
|
62
|
36
|
50
|
52
|
63
|
67
|
72
|
66
|
79
|
77
|
67
|
79
|
80
|
82
|
74
|
74
|
72
|
64
|
73
|
62
|
59
|
52
|
66
|
81
|
43
|
60
|
|
2023/11
|
43
|
75
|
69
|
49
|
56
|
49
|
60
|
57
|
61
|
67
|
59
|
64
|
90
|
82
|
75
|
54
|
46
|
51
|
50
|
52
|
67
|
82
|
77
|
56
|
94
|
83
|
61
|
64
|
55
|
53
|
|
|
2023/10
|
35
|
30
|
33
|
32
|
28
|
33
|
28
|
37
|
47
|
44
|
32
|
27
|
36
|
34
|
38
|
41
|
36
|
40
|
38
|
47
|
53
|
54
|
52
|
50
|
54
|
45
|
44
|
45
|
46
|
52
|
48
|
|
2023/09
|
63
|
59
|
46
|
47
|
49
|
42
|
58
|
30
|
34
|
43
|
31
|
31
|
38
|
43
|
42
|
40
|
55
|
54
|
40
|
37
|
35
|
38
|
72
|
40
|
38
|
31
|
35
|
45
|
44
|
41
|
|
|
2023/08
|
48
|
50
|
43
|
33
|
43
|
36
|
38
|
40
|
41
|
40
|
35
|
38
|
46
|
57
|
46
|
140
|
83
|
50
|
43
|
41
|
39
|
39
|
37
|
39
|
39
|
39
|
32
|
43
|
46
|
46
|
43
|
|
2023/07
|
44
|
68
|
38
|
38
|
38
|
42
|
45
|
39
|
37
|
49
|
56
|
40
|
28
|
38
|
36
|
41
|
42
|
42
|
46
|
40
|
40
|
45
|
44
|
41
|
43
|
52
|
42
|
39
|
43
|
49
|
44
|
|
2023/06
|
63
|
45
|
40
|
36
|
37
|
35
|
39
|
51
|
40
|
44
|
43
|
39
|
43
|
45
|
51
|
47
|
49
|
48
|
46
|
43
|
51
|
45
|
36
|
39
|
39
|
41
|
55
|
38
|
46
|
37
|
|
|
2023/05
|
68
|
68
|
65
|
60
|
74
|
58
|
42
|
42
|
27
|
40
|
43
|
46
|
39
|
46
|
54
|
64
|
37
|
46
|
50
|
303
|
104
|
72
|
61
|
77
|
53
|
43
|
48
|
58
|
58
|
101
|
39
|
|
2023/04
|
66
|
54
|
45
|
63
|
82
|
102
|
92
|
85
|
90
|
112
|
136
|
127
|
120
|
57
|
63
|
72
|
87
|
78
|
239
|
483
|
348
|
88
|
53
|
49
|
52
|
75
|
78
|
50
|
54
|
53
|
|
|
2023/03
|
67
|
61
|
45
|
48
|
51
|
56
|
64
|
63
|
50
|
108
|
82
|
58
|
50
|
101
|
114
|
115
|
103
|
99
|
78
|
169
|
500
|
490
|
181
|
107
|
79
|
71
|
66
|
60
|
62
|
57
|
46
|
|
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