Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
31
O3
0.6
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
54
Good
Sat
19 Sep
44
Excellent
Sun
20 Sep
58
Good
Mon
21 Sep
41
Excellent
Tue
22 Sep
50
Excellent
Wed
23 Sep
53
Good
Thu
24 Sep
34
Excellent
Air quality in the last 12 months (Xuan'en)
|
2026/08
|
17
|
19
|
16
|
16
|
16
|
21
|
27
|
27
|
31
|
29
|
25
|
23
|
19
|
22
|
24
|
26
|
29
|
30
|
27
|
27
|
29
|
29
|
25
|
24
|
20
|
23
|
23
|
28
|
29
|
29
|
39
|
|
2026/07
|
26
|
24
|
21
|
18
|
18
|
21
|
21
|
25
|
22
|
20
|
22
|
24
|
24
|
24
|
28
|
22
|
18
|
17
|
25
|
33
|
32
|
34
|
33
|
30
|
25
|
23
|
23
|
17
|
19
|
23
|
19
|
|
2026/06
|
34
|
27
|
25
|
36
|
41
|
46
|
35
|
28
|
25
|
35
|
32
|
25
|
26
|
29
|
36
|
34
|
42
|
27
|
22
|
24
|
26
|
22
|
19
|
18
|
24
|
26
|
33
|
33
|
28
|
21
|
|
|
2026/05
|
37
|
31
|
29
|
36
|
37
|
42
|
31
|
28
|
30
|
32
|
38
|
44
|
31
|
34
|
37
|
33
|
20
|
14
|
14
|
20
|
24
|
26
|
27
|
30
|
29
|
20
|
16
|
20
|
37
|
29
|
30
|
|
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
|
|
|
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