Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
26
O3
0.4
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
57
Good
Thu
21 Aug
52
Good
Fri
22 Aug
55
Good
Sat
23 Aug
52
Good
Sun
24 Aug
56
Good
Mon
25 Aug
45
Excellent
Tue
26 Aug
40
Excellent
Air quality in the last 12 months (Xianyou)
|
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
|
|
2024/11
|
12
|
13
|
27
|
29
|
37
|
37
|
24
|
22
|
24
|
31
|
21
|
17
|
17
|
16
|
17
|
15
|
16
|
17
|
12
|
9
|
11
|
23
|
29
|
24
|
14
|
15
|
30
|
26
|
33
|
38
|
|
|
2024/10
|
10
|
8
|
13
|
11
|
11
|
16
|
16
|
9
|
24
|
36
|
37
|
31
|
24
|
32
|
26
|
21
|
29
|
35
|
30
|
13
|
21
|
24
|
30
|
28
|
18
|
17
|
19
|
13
|
29
|
33
|
16
|
|
2024/09
|
38
|
36
|
27
|
19
|
18
|
14
|
17
|
20
|
17
|
36
|
47
|
39
|
17
|
17
|
18
|
23
|
17
|
22
|
20
|
19
|
19
|
8
|
7
|
17
|
21
|
16
|
16
|
18
|
21
|
13
|
|
|
2024/08
|
29
|
44
|
50
|
43
|
35
|
30
|
34
|
42
|
40
|
43
|
46
|
46
|
32
|
25
|
21
|
16
|
16
|
19
|
21
|
13
|
20
|
26
|
30
|
36
|
39
|
39
|
55
|
43
|
31
|
43
|
39
|
|
2024/07
|
22
|
23
|
23
|
26
|
30
|
22
|
22
|
22
|
22
|
26
|
27
|
27
|
28
|
30
|
31
|
32
|
23
|
24
|
25
|
28
|
30
|
29
|
21
|
14
|
8
|
10
|
12
|
27
|
21
|
28
|
24
|
|
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