Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
15
PM2.5
60
*
PM10
48
O3
0.7
CO
7
SO2
18
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Aug
68
Good
Fri
22 Aug
84
Good
Sat
23 Aug
69
Good
Sun
24 Aug
70
Good
Mon
25 Aug
75
Good
Tue
26 Aug
18
Excellent
Wed
27 Aug
29
Excellent
Hongdong Air quality rank
Air quality in the last 12 months (Hongdong)
|
2025/06
|
59
|
52
|
41
|
47
|
52
|
53
|
63
|
59
|
66
|
56
|
63
|
59
|
62
|
40
|
35
|
40
|
47
|
57
|
47
|
49
|
47
|
49
|
49
|
44
|
54
|
46
|
53
|
39
|
50
|
48
|
|
|
2025/05
|
71
|
87
|
46
|
61
|
179
|
148
|
107
|
73
|
55
|
43
|
52
|
54
|
68
|
51
|
54
|
73
|
136
|
64
|
78
|
70
|
69
|
63
|
44
|
37
|
53
|
52
|
50
|
60
|
62
|
62
|
61
|
|
2025/04
|
71
|
61
|
77
|
94
|
62
|
83
|
105
|
91
|
74
|
59
|
127
|
208
|
102
|
43
|
54
|
116
|
152
|
117
|
81
|
71
|
107
|
160
|
141
|
61
|
71
|
74
|
63
|
53
|
62
|
110
|
|
|
2025/03
|
83
|
88
|
47
|
46
|
72
|
75
|
75
|
79
|
78
|
82
|
109
|
237
|
111
|
91
|
47
|
34
|
45
|
39
|
47
|
43
|
58
|
69
|
114
|
335
|
321
|
245
|
230
|
174
|
49
|
53
|
67
|
|
2025/02
|
180
|
121
|
26
|
40
|
26
|
86
|
42
|
31
|
50
|
75
|
89
|
68
|
54
|
70
|
75
|
66
|
67
|
81
|
73
|
77
|
102
|
98
|
47
|
51
|
69
|
62
|
73
|
73
|
|||
|
2025/01
|
81
|
66
|
66
|
90
|
92
|
42
|
35
|
31
|
46
|
55
|
60
|
51
|
87
|
69
|
43
|
54
|
62
|
93
|
82
|
94
|
89
|
110
|
151
|
125
|
77
|
79
|
29
|
48
|
125
|
102
|
173
|
|
2024/12
|
71
|
58
|
53
|
49
|
30
|
44
|
33
|
44
|
66
|
85
|
106
|
96
|
68
|
51
|
64
|
68
|
68
|
53
|
67
|
67
|
35
|
63
|
85
|
130
|
159
|
85
|
41
|
51
|
77
|
89
|
63
|
|
2024/11
|
71
|
82
|
109
|
58
|
61
|
71
|
83
|
86
|
79
|
99
|
127
|
145
|
86
|
68
|
90
|
70
|
59
|
57
|
52
|
67
|
82
|
74
|
83
|
109
|
47
|
43
|
71
|
34
|
47
|
64
|
|
|
2024/10
|
63
|
49
|
47
|
63
|
76
|
90
|
77
|
67
|
59
|
54
|
55
|
71
|
79
|
86
|
79
|
103
|
62
|
38
|
33
|
27
|
45
|
32
|
53
|
60
|
71
|
74
|
72
|
80
|
74
|
75
|
68
|
|
2024/09
|
60
|
51
|
56
|
57
|
28
|
42
|
49
|
50
|
53
|
45
|
44
|
35
|
49
|
41
|
49
|
45
|
46
|
52
|
36
|
42
|
32
|
53
|
63
|
64
|
61
|
76
|
83
|
61
|
39
|
21
|
|
|
2024/08
|
50
|
53
|
44
|
40
|
48
|
41
|
29
|
43
|
30
|
63
|
29
|
35
|
43
|
45
|
45
|
44
|
38
|
39
|
49
|
30
|
38
|
41
|
50
|
51
|
51
|
25
|
31
|
48
|
54
|
56
|
56
|
|
2024/07
|
44
|
54
|
49
|
49
|
48
|
50
|
46
|
42
|
50
|
57
|
52
|
52
|
52
|
57
|
67
|
38
|
30
|
34
|
44
|
29
|
40
|
45
|
43
|
41
|
60
|
49
|
53
|
45
|
40
|
21
|
39
|
|
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