Air Quality
Excellent
No health implications.
18
PM2.5
45
PM10
23
O3
0.8
CO
7
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
83
Good
Fri
18 Jul
77
Good
Sat
19 Jul
71
Good
Sun
20 Jul
43
Excellent
Mon
21 Jul
38
Excellent
Tue
22 Jul
34
Excellent
Wed
23 Jul
46
Excellent
Air quality in the last 12 months (Xuanhan)
|
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
|
|
|
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
|
|
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