Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
39
O3
0.5
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
33
Excellent
Thu
16 Apr
26
Excellent
Fri
17 Apr
39
Excellent
Sat
18 Apr
50
Excellent
Sun
19 Apr
61
Good
Mon
20 Apr
49
Excellent
Tue
21 Apr
46
Excellent
Air quality in the last 12 months (Xuan'en)
|
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
|
|
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
|
|
|
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