Air Quality
Excellent
No health implications.
5
PM2.5
24
PM10
91
O3
0.2
CO
2
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
42
Excellent
Thu
15 May
95
Good
Fri
16 May
107
Light
Sat
17 May
56
Good
Sun
18 May
74
Good
Mon
19 May
63
Good
Tue
20 May
22
Excellent
Air quality in the last 12 months (Haigang)
|
2025/02
|
61
|
83
|
47
|
27
|
31
|
44
|
24
|
24
|
43
|
68
|
97
|
60
|
70
|
79
|
108
|
41
|
29
|
35
|
40
|
40
|
34
|
37
|
30
|
54
|
68
|
66
|
123
|
188
|
|||
|
2025/01
|
49
|
47
|
39
|
78
|
86
|
40
|
26
|
28
|
33
|
38
|
50
|
65
|
71
|
35
|
39
|
45
|
79
|
95
|
56
|
72
|
64
|
50
|
57
|
79
|
74
|
97
|
27
|
53
|
78
|
38
|
39
|
|
2024/12
|
72
|
38
|
52
|
29
|
36
|
35
|
36
|
37
|
55
|
53
|
41
|
73
|
42
|
31
|
39
|
37
|
32
|
33
|
57
|
61
|
37
|
45
|
54
|
72
|
100
|
32
|
28
|
39
|
70
|
69
|
46
|
|
2024/11
|
93
|
56
|
92
|
36
|
49
|
38
|
69
|
84
|
90
|
85
|
40
|
55
|
48
|
39
|
36
|
52
|
36
|
35
|
53
|
75
|
49
|
39
|
43
|
77
|
69
|
24
|
27
|
32
|
32
|
46
|
|
|
2024/10
|
24
|
22
|
40
|
61
|
73
|
69
|
33
|
41
|
60
|
42
|
63
|
64
|
57
|
69
|
68
|
31
|
60
|
40
|
27
|
26
|
45
|
37
|
49
|
96
|
91
|
110
|
66
|
65
|
96
|
47
|
84
|
|
2024/09
|
25
|
20
|
28
|
33
|
27
|
22
|
32
|
45
|
49
|
19
|
18
|
24
|
30
|
26
|
20
|
46
|
51
|
30
|
41
|
28
|
21
|
26
|
42
|
58
|
50
|
27
|
47
|
50
|
46
|
25
|
|
|
2024/08
|
38
|
39
|
56
|
19
|
30
|
34
|
42
|
53
|
49
|
29
|
63
|
50
|
29
|
28
|
32
|
43
|
48
|
44
|
25
|
17
|
22
|
39
|
24
|
28
|
44
|
22
|
24
|
20
|
42
|
57
|
29
|
|
2024/07
|
45
|
50
|
37
|
51
|
95
|
41
|
34
|
44
|
61
|
58
|
76
|
68
|
69
|
63
|
52
|
37
|
31
|
52
|
63
|
41
|
48
|
41
|
50
|
66
|
32
|
28
|
28
|
31
|
47
|
40
|
50
|
|
2024/06
|
55
|
57
|
59
|
59
|
49
|
58
|
55
|
62
|
85
|
65
|
84
|
59
|
51
|
44
|
33
|
50
|
64
|
64
|
48
|
38
|
36
|
91
|
140
|
42
|
41
|
62
|
67
|
41
|
34
|
44
|
|
|
2024/05
|
54
|
60
|
74
|
54
|
49
|
67
|
68
|
73
|
99
|
73
|
261
|
56
|
71
|
78
|
48
|
64
|
77
|
70
|
48
|
33
|
67
|
72
|
55
|
31
|
41
|
41
|
40
|
60
|
58
|
57
|
39
|
|
2024/04
|
64
|
63
|
47
|
53
|
71
|
113
|
103
|
104
|
63
|
86
|
150
|
99
|
50
|
53
|
124
|
76
|
72
|
82
|
54
|
76
|
70
|
49
|
34
|
34
|
78
|
80
|
71
|
34
|
35
|
49
|
|
|
2024/03
|
35
|
60
|
47
|
56
|
65
|
47
|
88
|
37
|
56
|
89
|
130
|
62
|
101
|
125
|
89
|
113
|
54
|
64
|
54
|
43
|
68
|
66
|
66
|
51
|
44
|
82
|
77
|
196
|
96
|
83
|
62
|
|
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