Air Quality
Excellent
No health implications.
8
PM2.5
31
PM10
58
O3
0.3
CO
6
SO2
37
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Sep
89
Good
Mon
15 Sep
73
Good
Tue
16 Sep
55
Good
Wed
17 Sep
55
Good
Thu
18 Sep
73
Good
Fri
19 Sep
71
Good
Sat
20 Sep
43
Excellent
Air quality in the last 12 months (Haigang)
|
2025/08
|
40
|
25
|
32
|
24
|
28
|
42
|
36
|
28
|
24
|
34
|
47
|
46
|
38
|
46
|
40
|
38
|
41
|
41
|
37
|
20
|
30
|
30
|
36
|
24
|
20
|
31
|
37
|
23
|
46
|
52
|
31
|
|
2025/07
|
44
|
46
|
21
|
46
|
53
|
29
|
38
|
43
|
40
|
43
|
40
|
48
|
35
|
26
|
32
|
29
|
27
|
25
|
31
|
30
|
39
|
42
|
28
|
30
|
41
|
42
|
37
|
36
|
16
|
29
|
32
|
|
2025/06
|
56
|
63
|
33
|
39
|
54
|
65
|
35
|
41
|
48
|
39
|
59
|
43
|
32
|
34
|
23
|
32
|
44
|
53
|
48
|
42
|
35
|
54
|
60
|
53
|
46
|
50
|
32
|
26
|
66
|
55
|
|
|
2025/05
|
49
|
46
|
33
|
47
|
48
|
41
|
56
|
61
|
42
|
40
|
71
|
72
|
68
|
51
|
54
|
46
|
45
|
43
|
72
|
78
|
63
|
66
|
48
|
43
|
47
|
62
|
94
|
61
|
57
|
67
|
67
|
|
2025/04
|
74
|
28
|
51
|
60
|
32
|
46
|
74
|
48
|
41
|
68
|
64
|
92
|
36
|
26
|
54
|
67
|
76
|
38
|
42
|
60
|
52
|
36
|
72
|
51
|
57
|
72
|
50
|
51
|
65
|
82
|
|
|
2025/03
|
106
|
45
|
28
|
49
|
69
|
35
|
47
|
78
|
153
|
95
|
102
|
55
|
56
|
49
|
31
|
26
|
37
|
28
|
46
|
40
|
39
|
49
|
81
|
88
|
64
|
89
|
86
|
35
|
42
|
41
|
70
|
|
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
|
|
|
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