Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
63
*
PM10
45
O3
0.5
CO
8
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
6 May
69
Good
Wed
7 May
57
Good
Thu
8 May
59
Good
Fri
9 May
52
Good
Sat
10 May
63
Good
Sun
11 May
61
Good
Mon
12 May
33
Excellent
Air quality in the last 12 months (Xuan'en)
|
2025/02
|
35
|
34
|
41
|
46
|
54
|
54
|
48
|
72
|
62
|
48
|
59
|
74
|
65
|
43
|
44
|
50
|
40
|
46
|
58
|
67
|
73
|
59
|
51
|
75
|
74
|
59
|
57
|
69
|
|||
|
2025/01
|
137
|
144
|
172
|
206
|
90
|
85
|
86
|
74
|
68
|
81
|
94
|
88
|
118
|
119
|
61
|
79
|
100
|
135
|
110
|
114
|
129
|
175
|
162
|
92
|
18
|
38
|
58
|
83
|
170
|
71
|
86
|
|
2024/12
|
72
|
99
|
127
|
65
|
23
|
39
|
43
|
43
|
56
|
64
|
44
|
49
|
74
|
82
|
79
|
78
|
88
|
90
|
94
|
107
|
149
|
93
|
80
|
101
|
123
|
130
|
118
|
111
|
131
|
141
|
116
|
|
2024/11
|
69
|
75
|
76
|
67
|
42
|
49
|
54
|
60
|
48
|
40
|
54
|
72
|
47
|
42
|
45
|
51
|
13
|
11
|
13
|
20
|
25
|
30
|
35
|
32
|
16
|
26
|
30
|
37
|
48
|
60
|
|
|
2024/10
|
15
|
26
|
34
|
39
|
46
|
44
|
25
|
31
|
46
|
55
|
65
|
64
|
35
|
29
|
32
|
35
|
27
|
21
|
24
|
14
|
14
|
21
|
22
|
33
|
40
|
40
|
49
|
51
|
48
|
49
|
58
|
|
2024/09
|
31
|
31
|
33
|
36
|
37
|
34
|
33
|
25
|
24
|
29
|
27
|
27
|
27
|
25
|
29
|
25
|
21
|
23
|
28
|
22
|
25
|
21
|
30
|
34
|
47
|
58
|
55
|
64
|
73
|
42
|
|
|
2024/08
|
15
|
15
|
13
|
16
|
19
|
17
|
16
|
21
|
29
|
29
|
54
|
47
|
34
|
31
|
31
|
31
|
25
|
20
|
20
|
25
|
27
|
30
|
27
|
23
|
21
|
23
|
25
|
18
|
22
|
22
|
25
|
|
2024/07
|
26
|
24
|
20
|
15
|
21
|
19
|
23
|
27
|
28
|
27
|
24
|
16
|
17
|
17
|
19
|
23
|
21
|
20
|
19
|
24
|
19
|
19
|
21
|
23
|
21
|
25
|
20
|
21
|
13
|
13
|
14
|
|
2024/06
|
32
|
33
|
31
|
22
|
16
|
19
|
30
|
33
|
22
|
22
|
27
|
23
|
24
|
37
|
38
|
35
|
20
|
21
|
25
|
19
|
16
|
16
|
26
|
30
|
23
|
21
|
17
|
9
|
17
|
24
|
|
|
2024/05
|
17
|
22
|
17
|
16
|
25
|
35
|
41
|
41
|
49
|
50
|
32
|
36
|
42
|
46
|
42
|
54
|
53
|
52
|
22
|
24
|
37
|
35
|
27
|
34
|
37
|
29
|
21
|
37
|
26
|
20
|
29
|
|
2024/04
|
41
|
32
|
23
|
35
|
31
|
27
|
23
|
26
|
33
|
34
|
37
|
32
|
31
|
34
|
49
|
36
|
15
|
22
|
23
|
41
|
53
|
48
|
37
|
39
|
31
|
36
|
34
|
26
|
30
|
10
|
|
|
2024/03
|
69
|
68
|
64
|
66
|
63
|
45
|
56
|
57
|
66
|
72
|
71
|
68
|
62
|
53
|
59
|
56
|
44
|
27
|
43
|
61
|
59
|
64
|
67
|
49
|
21
|
22
|
28
|
36
|
42
|
40
|
27
|
|
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