Air Quality
Excellent
No health implications.
20
PM2.5
25
PM10
6
O3
0.5
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
55
Good
Mon
21 Apr
57
Good
Tue
22 Apr
58
Good
Wed
23 Apr
63
Good
Thu
24 Apr
58
Good
Fri
25 Apr
24
Excellent
Sat
26 Apr
32
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