Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
22
O3
0.4
CO
6
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
42
Excellent
Tue
1 Jul
39
Excellent
Wed
2 Jul
37
Excellent
Thu
3 Jul
69
Good
Fri
4 Jul
74
Good
Sat
5 Jul
46
Excellent
Sun
6 Jul
19
Excellent
Air quality in the last 12 months (Xuanhan)
|
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
|
|
|
2025/03
|
76
|
74
|
20
|
17
|
23
|
35
|
43
|
53
|
55
|
47
|
50
|
51
|
36
|
35
|
26
|
35
|
47
|
51
|
55
|
53
|
57
|
73
|
81
|
64
|
60
|
55
|
144
|
51
|
35
|
40
|
40
|
|
2025/02
|
53
|
35
|
40
|
42
|
45
|
36
|
42
|
46
|
53
|
59
|
85
|
68
|
50
|
46
|
48
|
56
|
59
|
56
|
72
|
45
|
46
|
38
|
34
|
54
|
60
|
77
|
71
|
71
|
|||
|
2025/01
|
161
|
170
|
183
|
116
|
66
|
88
|
105
|
75
|
79
|
74
|
82
|
85
|
95
|
119
|
94
|
73
|
97
|
118
|
126
|
121
|
146
|
201
|
241
|
76
|
17
|
51
|
68
|
81
|
154
|
105
|
114
|
|
2024/12
|
85
|
95
|
101
|
48
|
35
|
35
|
41
|
44
|
51
|
66
|
61
|
65
|
69
|
70
|
91
|
109
|
123
|
134
|
98
|
121
|
155
|
134
|
84
|
107
|
118
|
136
|
112
|
94
|
131
|
183
|
174
|
|
2024/11
|
35
|
36
|
47
|
38
|
33
|
42
|
51
|
62
|
36
|
39
|
48
|
43
|
34
|
36
|
47
|
27
|
11
|
12
|
18
|
26
|
33
|
38
|
42
|
34
|
21
|
44
|
50
|
51
|
64
|
82
|
|
|
2024/10
|
25
|
36
|
43
|
48
|
49
|
53
|
40
|
39
|
49
|
48
|
41
|
37
|
32
|
37
|
41
|
51
|
29
|
14
|
20
|
14
|
20
|
27
|
39
|
50
|
46
|
51
|
45
|
47
|
51
|
69
|
47
|
|
2024/09
|
45
|
46
|
29
|
40
|
46
|
30
|
34
|
32
|
32
|
27
|
35
|
29
|
34
|
35
|
30
|
32
|
29
|
37
|
42
|
37
|
20
|
20
|
34
|
45
|
51
|
67
|
63
|
61
|
47
|
18
|
|
|
2024/08
|
25
|
32
|
26
|
17
|
17
|
21
|
26
|
31
|
34
|
42
|
62
|
57
|
50
|
35
|
35
|
39
|
38
|
30
|
40
|
41
|
44
|
42
|
39
|
62
|
62
|
44
|
45
|
30
|
29
|
31
|
38
|
|
2024/07
|
29
|
28
|
30
|
22
|
14
|
18
|
28
|
15
|
18
|
14
|
11
|
13
|
18
|
13
|
21
|
21
|
26
|
22
|
25
|
27
|
22
|
23
|
26
|
29
|
31
|
36
|
35
|
38
|
32
|
11
|
18
|
|
2024/06
|
49
|
36
|
36
|
22
|
28
|
30
|
32
|
27
|
27
|
29
|
33
|
30
|
38
|
40
|
40
|
30
|
25
|
25
|
22
|
19
|
16
|
29
|
40
|
51
|
31
|
27
|
26
|
26
|
30
|
41
|
|
|
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