Air Quality
Excellent
No health implications.
7
PM2.5
28
PM10
79
O3
0.4
CO
3
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
85
Good
Tue
22 Jul
85
Good
Wed
23 Jul
84
Good
Thu
24 Jul
86
Good
Fri
25 Jul
102
Light
Sat
26 Jul
137
Light
Sun
27 Jul
36
Excellent
Air quality in the last 12 months (Haigang)
|
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
|
|
|
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
|
|
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