Air Quality
Excellent
No health implications.
18
PM2.5
33
PM10
56
O3
0.4
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
59
Good
Thu
29 May
61
Good
Fri
30 May
64
Good
Sat
31 May
40
Excellent
Sun
1 Jun
47
Excellent
Mon
2 Jun
45
Excellent
Tue
3 Jun
36
Excellent
Air quality in the last 12 months (Xuan'en)
|
2025/04
|
51
|
58
|
56
|
55
|
63
|
63
|
55
|
55
|
51
|
39
|
39
|
87
|
136
|
103
|
71
|
67
|
61
|
61
|
46
|
30
|
27
|
41
|
52
|
44
|
51
|
51
|
41
|
40
|
38
|
25
|
|
|
2025/03
|
69
|
73
|
12
|
15
|
25
|
28
|
39
|
50
|
51
|
53
|
60
|
66
|
53
|
43
|
20
|
30
|
36
|
32
|
38
|
49
|
54
|
65
|
58
|
57
|
49
|
59
|
90
|
60
|
38
|
45
|
45
|
|
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
|
|
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