Air Quality
Excellent
No health implications.
8
PM2.5
18
PM10
37
O3
0.8
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
36
Excellent
Wed
27 May
44
Excellent
Thu
28 May
41
Excellent
Fri
29 May
42
Excellent
Sat
30 May
56
Good
Sun
31 May
61
Good
Mon
1 Jun
34
Excellent
Air quality in the last 12 months (Xuan'en)
|
2026/04
|
27
|
29
|
39
|
54
|
49
|
39
|
29
|
33
|
40
|
37
|
27
|
29
|
26
|
21
|
19
|
27
|
29
|
37
|
38
|
51
|
38
|
22
|
22
|
30
|
45
|
46
|
32
|
26
|
30
|
32
|
|
|
2026/03
|
21
|
20
|
24
|
35
|
37
|
46
|
48
|
18
|
26
|
30
|
36
|
51
|
54
|
66
|
29
|
20
|
19
|
19
|
34
|
36
|
34
|
39
|
36
|
23
|
23
|
20
|
23
|
31
|
30
|
24
|
29
|
|
2026/02
|
50
|
57
|
72
|
92
|
116
|
113
|
105
|
75
|
58
|
56
|
54
|
62
|
70
|
77
|
85
|
41
|
85
|
85
|
69
|
53
|
54
|
55
|
53
|
32
|
30
|
24
|
20
|
23
|
|||
|
2026/01
|
32
|
48
|
66
|
65
|
69
|
59
|
63
|
78
|
88
|
100
|
89
|
69
|
99
|
117
|
177
|
172
|
159
|
196
|
72
|
38
|
60
|
71
|
78
|
81
|
71
|
70
|
72
|
67
|
50
|
22
|
41
|
|
2025/12
|
109
|
126
|
74
|
78
|
86
|
81
|
89
|
73
|
91
|
116
|
114
|
132
|
31
|
39
|
53
|
66
|
80
|
84
|
100
|
101
|
35
|
30
|
26
|
34
|
45
|
51
|
65
|
79
|
96
|
126
|
57
|
|
2025/11
|
39
|
37
|
36
|
32
|
32
|
22
|
18
|
16
|
17
|
40
|
43
|
37
|
33
|
46
|
56
|
64
|
45
|
18
|
23
|
33
|
44
|
61
|
74
|
47
|
53
|
62
|
68
|
83
|
99
|
110
|
|
|
2025/10
|
19
|
26
|
29
|
22
|
25
|
29
|
31
|
33
|
38
|
37
|
43
|
46
|
18
|
10
|
13
|
10
|
11
|
9
|
9
|
9
|
13
|
13
|
19
|
29
|
39
|
32
|
31
|
32
|
42
|
35
|
32
|
|
2025/09
|
25
|
25
|
25
|
22
|
28
|
33
|
23
|
26
|
20
|
16
|
15
|
19
|
10
|
11
|
16
|
20
|
24
|
17
|
18
|
12
|
21
|
24
|
16
|
13
|
19
|
19
|
22
|
24
|
28
|
23
|
|
|
2025/08
|
27
|
28
|
24
|
26
|
24
|
24
|
21
|
16
|
19
|
15
|
10
|
9
|
9
|
18
|
16
|
16
|
18
|
24
|
22
|
15
|
14
|
17
|
17
|
24
|
16
|
21
|
23
|
26
|
26
|
25
|
19
|
|
2025/07
|
15
|
20
|
16
|
17
|
18
|
21
|
23
|
25
|
27
|
23
|
26
|
31
|
30
|
22
|
24
|
23
|
21
|
21
|
20
|
26
|
23
|
18
|
12
|
13
|
13
|
18
|
22
|
19
|
18
|
19
|
23
|
|
2025/06
|
9
|
15
|
27
|
32
|
33
|
41
|
32
|
17
|
19
|
28
|
37
|
35
|
35
|
33
|
31
|
36
|
29
|
21
|
10
|
13
|
12
|
17
|
16
|
24
|
16
|
16
|
19
|
18
|
16
|
18
|
|
|
2025/05
|
50
|
71
|
60
|
53
|
33
|
42
|
52
|
28
|
27
|
32
|
42
|
39
|
43
|
46
|
39
|
39
|
42
|
41
|
46
|
43
|
43
|
18
|
39
|
53
|
45
|
37
|
38
|
28
|
30
|
31
|
21
|
|
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