Air Quality
Excellent
No health implications.
17
PM2.5
46
PM10
107
O3
0.6
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
49
Excellent
Wed
17 Dec
58
Good
Thu
18 Dec
56
Good
Fri
19 Dec
44
Excellent
Sat
20 Dec
52
Good
Sun
21 Dec
47
Excellent
Mon
22 Dec
47
Excellent
Air quality in the last 12 months (Xianyou)
|
2025/11
|
17
|
32
|
38
|
9
|
11
|
18
|
25
|
25
|
26
|
27
|
16
|
7
|
9
|
24
|
39
|
30
|
29
|
23
|
22
|
29
|
29
|
34
|
36
|
38
|
38
|
71
|
49
|
77
|
64
|
50
|
|
|
2025/10
|
33
|
19
|
26
|
27
|
37
|
39
|
28
|
26
|
28
|
26
|
25
|
30
|
39
|
32
|
21
|
23
|
29
|
22
|
17
|
13
|
10
|
10
|
19
|
18
|
21
|
30
|
36
|
18
|
20
|
27
|
22
|
|
2025/09
|
30
|
32
|
43
|
41
|
31
|
16
|
17
|
17
|
19
|
26
|
23
|
34
|
35
|
32
|
30
|
22
|
16
|
16
|
18
|
13
|
16
|
16
|
17
|
16
|
18
|
13
|
17
|
18
|
32
|
32
|
|
|
2025/08
|
32
|
28
|
24
|
18
|
17
|
27
|
37
|
45
|
33
|
26
|
20
|
26
|
24
|
21
|
13
|
14
|
17
|
21
|
23
|
22
|
22
|
32
|
40
|
34
|
20
|
14
|
14
|
16
|
14
|
14
|
21
|
|
2025/07
|
22
|
17
|
24
|
23
|
16
|
19
|
22
|
41
|
39
|
15
|
11
|
19
|
35
|
22
|
36
|
41
|
42
|
23
|
18
|
17
|
12
|
11
|
14
|
16
|
19
|
26
|
29
|
23
|
21
|
39
|
39
|
|
2025/06
|
42
|
43
|
14
|
20
|
31
|
34
|
36
|
38
|
27
|
29
|
24
|
15
|
16
|
18
|
24
|
27
|
26
|
30
|
21
|
21
|
20
|
28
|
37
|
30
|
27
|
24
|
24
|
23
|
30
|
21
|
|
|
2025/05
|
60
|
48
|
54
|
49
|
42
|
42
|
51
|
42
|
31
|
28
|
26
|
30
|
32
|
42
|
38
|
33
|
25
|
26
|
32
|
35
|
34
|
43
|
44
|
20
|
46
|
33
|
28
|
16
|
11
|
24
|
37
|
|
2025/04
|
15
|
28
|
39
|
44
|
42
|
42
|
50
|
52
|
71
|
50
|
45
|
37
|
108
|
87
|
77
|
63
|
60
|
60
|
50
|
28
|
40
|
49
|
37
|
26
|
9
|
10
|
25
|
43
|
39
|
37
|
|
|
2025/03
|
74
|
40
|
32
|
33
|
11
|
10
|
25
|
38
|
32
|
35
|
51
|
62
|
40
|
28
|
34
|
14
|
45
|
35
|
41
|
43
|
38
|
42
|
56
|
69
|
75
|
59
|
46
|
50
|
14
|
6
|
7
|
|
2025/02
|
41
|
15
|
11
|
49
|
47
|
30
|
17
|
50
|
30
|
32
|
33
|
108
|
56
|
48
|
38
|
61
|
65
|
47
|
31
|
13
|
11
|
19
|
10
|
42
|
53
|
62
|
72
|
70
|
|||
|
2025/01
|
56
|
51
|
40
|
38
|
38
|
47
|
59
|
48
|
50
|
46
|
32
|
40
|
42
|
42
|
75
|
59
|
49
|
36
|
40
|
41
|
57
|
45
|
39
|
22
|
26
|
30
|
18
|
41
|
72
|
33
|
30
|
|
2024/12
|
40
|
40
|
26
|
36
|
34
|
34
|
22
|
48
|
33
|
28
|
28
|
15
|
19
|
45
|
69
|
50
|
40
|
37
|
41
|
24
|
37
|
56
|
30
|
21
|
26
|
47
|
61
|
75
|
43
|
43
|
53
|
|
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