Air Quality
Excellent
No health implications.
3
PM2.5
21
PM10
39
O3
0.3
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
39
Excellent
Thu
30 Apr
50
Excellent
Fri
1 May
46
Excellent
Sat
2 May
48
Excellent
Sun
3 May
42
Excellent
Mon
4 May
29
Excellent
Tue
5 May
25
Excellent
Air quality in the last 12 months (Xuanhan)
|
2026/03
|
17
|
21
|
28
|
45
|
43
|
47
|
50
|
35
|
32
|
37
|
40
|
50
|
55
|
45
|
19
|
22
|
21
|
25
|
32
|
39
|
41
|
44
|
38
|
23
|
31
|
42
|
48
|
45
|
35
|
22
|
27
|
|
2026/02
|
56
|
63
|
85
|
93
|
111
|
81
|
67
|
58
|
51
|
59
|
58
|
62
|
94
|
84
|
63
|
33
|
71
|
61
|
66
|
69
|
65
|
70
|
57
|
37
|
43
|
33
|
30
|
23
|
|||
|
2026/01
|
26
|
34
|
47
|
66
|
67
|
72
|
86
|
101
|
104
|
100
|
133
|
154
|
144
|
144
|
149
|
123
|
150
|
136
|
50
|
33
|
47
|
55
|
71
|
73
|
77
|
76
|
58
|
62
|
52
|
24
|
39
|
|
2025/12
|
102
|
124
|
62
|
64
|
67
|
73
|
86
|
100
|
118
|
127
|
119
|
95
|
47
|
60
|
75
|
85
|
89
|
101
|
115
|
91
|
28
|
42
|
34
|
47
|
47
|
57
|
65
|
77
|
94
|
139
|
69
|
|
2025/11
|
50
|
47
|
58
|
52
|
48
|
28
|
13
|
22
|
18
|
37
|
41
|
45
|
52
|
48
|
43
|
46
|
19
|
23
|
37
|
54
|
62
|
84
|
67
|
56
|
51
|
60
|
68
|
68
|
71
|
88
|
|
|
2025/10
|
19
|
17
|
17
|
16
|
24
|
34
|
31
|
28
|
39
|
37
|
41
|
28
|
19
|
23
|
15
|
24
|
14
|
21
|
16
|
11
|
14
|
21
|
24
|
31
|
24
|
29
|
32
|
38
|
42
|
30
|
39
|
|
2025/09
|
37
|
45
|
42
|
42
|
43
|
17
|
31
|
25
|
25
|
27
|
29
|
25
|
25
|
33
|
42
|
38
|
25
|
25
|
18
|
20
|
17
|
14
|
18
|
22
|
31
|
24
|
25
|
28
|
15
|
19
|
|
|
2025/08
|
30
|
33
|
34
|
37
|
32
|
30
|
27
|
23
|
29
|
22
|
24
|
30
|
28
|
36
|
36
|
20
|
25
|
29
|
36
|
36
|
32
|
25
|
28
|
26
|
29
|
34
|
32
|
37
|
35
|
36
|
34
|
|
2025/07
|
21
|
20
|
21
|
21
|
23
|
26
|
21
|
17
|
23
|
26
|
27
|
32
|
36
|
38
|
39
|
39
|
40
|
27
|
24
|
24
|
29
|
21
|
18
|
14
|
18
|
21
|
25
|
25
|
27
|
27
|
29
|
|
2025/06
|
17
|
28
|
39
|
42
|
43
|
45
|
29
|
20
|
34
|
44
|
43
|
39
|
44
|
37
|
42
|
50
|
42
|
27
|
21
|
32
|
20
|
24
|
24
|
27
|
18
|
22
|
27
|
28
|
21
|
18
|
|
|
2025/05
|
50
|
65
|
63
|
47
|
53
|
54
|
49
|
32
|
68
|
75
|
60
|
59
|
48
|
44
|
67
|
66
|
72
|
57
|
67
|
73
|
63
|
35
|
59
|
64
|
52
|
50
|
44
|
28
|
29
|
36
|
23
|
|
2025/04
|
42
|
53
|
58
|
56
|
62
|
62
|
59
|
62
|
61
|
49
|
41
|
336
|
221
|
135
|
91
|
76
|
79
|
67
|
57
|
39
|
39
|
56
|
64
|
53
|
54
|
56
|
52
|
51
|
53
|
43
|
|
|
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