Air Quality
Excellent
No health implications.
18
PM2.5
40
PM10
133
O3
0.4
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Sep
76
Good
Sun
6 Sep
74
Good
Mon
7 Sep
64
Good
Tue
8 Sep
43
Excellent
Wed
9 Sep
52
Good
Thu
10 Sep
69
Good
Fri
11 Sep
41
Excellent
Air quality in the last 12 months (Hongsipu)
|
2026/08
|
39
|
38
|
29
|
35
|
32
|
31
|
24
|
30
|
32
|
34
|
31
|
33
|
41
|
38
|
44
|
39
|
38
|
38
|
47
|
33
|
34
|
49
|
30
|
32
|
46
|
27
|
23
|
24
|
37
|
46
|
46
|
|
2026/07
|
46
|
52
|
39
|
50
|
51
|
41
|
48
|
53
|
56
|
65
|
28
|
31
|
35
|
40
|
44
|
36
|
69
|
73
|
47
|
62
|
53
|
47
|
44
|
52
|
45
|
41
|
25
|
24
|
25
|
123
|
45
|
|
2026/06
|
61
|
57
|
66
|
55
|
50
|
53
|
41
|
43
|
36
|
44
|
45
|
45
|
47
|
45
|
44
|
43
|
50
|
37
|
41
|
41
|
32
|
31
|
35
|
42
|
92
|
69
|
58
|
66
|
55
|
49
|
|
|
2026/05
|
57
|
56
|
42
|
45
|
46
|
86
|
44
|
48
|
60
|
90
|
78
|
73
|
41
|
206
|
97
|
42
|
34
|
45
|
44
|
37
|
221
|
95
|
66
|
38
|
90
|
213
|
75
|
49
|
46
|
51
|
79
|
|
2026/04
|
63
|
59
|
212
|
91
|
89
|
69
|
66
|
56
|
80
|
59
|
62
|
98
|
74
|
46
|
62
|
60
|
55
|
68
|
315
|
118
|
45
|
58
|
83
|
81
|
68
|
59
|
188
|
61
|
52
|
59
|
|
|
2026/03
|
68
|
65
|
96
|
97
|
66
|
56
|
71
|
72
|
64
|
60
|
67
|
325
|
442
|
59
|
78
|
84
|
83
|
111
|
74
|
102
|
121
|
98
|
73
|
79
|
81
|
64
|
73
|
42
|
53
|
56
|
63
|
|
2026/02
|
98
|
74
|
83
|
69
|
68
|
70
|
49
|
70
|
129
|
160
|
91
|
71
|
67
|
105
|
47
|
45
|
69
|
58
|
66
|
151
|
406
|
419
|
130
|
95
|
121
|
75
|
94
|
103
|
|||
|
2026/01
|
89
|
89
|
64
|
54
|
29
|
40
|
51
|
56
|
88
|
53
|
49
|
91
|
83
|
264
|
86
|
69
|
107
|
77
|
45
|
49
|
65
|
90
|
111
|
163
|
378
|
145
|
126
|
125
|
90
|
117
|
132
|
|
2025/12
|
74
|
49
|
53
|
67
|
60
|
46
|
43
|
57
|
79
|
102
|
83
|
130
|
120
|
69
|
87
|
76
|
70
|
81
|
62
|
52
|
52
|
91
|
108
|
67
|
50
|
55
|
58
|
49
|
56
|
55
|
51
|
|
2025/11
|
58
|
72
|
69
|
41
|
33
|
42
|
75
|
107
|
117
|
84
|
57
|
61
|
64
|
56
|
69
|
63
|
27
|
27
|
55
|
56
|
61
|
65
|
117
|
106
|
73
|
311
|
92
|
86
|
88
|
92
|
|
|
2025/10
|
36
|
19
|
28
|
54
|
64
|
37
|
52
|
14
|
18
|
14
|
22
|
37
|
35
|
35
|
41
|
56
|
40
|
46
|
44
|
49
|
41
|
34
|
48
|
27
|
45
|
50
|
62
|
65
|
55
|
64
|
53
|
|
2025/09
|
31
|
82
|
66
|
94
|
54
|
69
|
62
|
56
|
42
|
36
|
30
|
48
|
59
|
72
|
127
|
50
|
25
|
19
|
16
|
14
|
12
|
19
|
26
|
48
|
37
|
41
|
49
|
55
|
53
|
61
|
|
|
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