Air Quality
Excellent
No health implications.
5
PM2.5
22
PM10
105
O3
0.2
CO
7
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
63
Good
Sat
10 May
59
Good
Sun
11 May
68
Good
Mon
12 May
69
Good
Tue
13 May
61
Good
Wed
14 May
59
Good
Thu
15 May
21
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