Air Quality
Excellent
No health implications.
24
PM2.5
40
PM10
50
O3
0.5
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Dec
92
Good
Thu
18 Dec
58
Good
Fri
19 Dec
57
Good
Sat
20 Dec
53
Good
Sun
21 Dec
63
Good
Mon
22 Dec
43
Excellent
Tue
23 Dec
35
Excellent
Air quality in the last 12 months (Xiuwen)
|
2025/11
|
21
|
21
|
10
|
16
|
23
|
17
|
23
|
15
|
9
|
13
|
25
|
29
|
37
|
44
|
48
|
47
|
32
|
17
|
26
|
34
|
40
|
53
|
56
|
50
|
53
|
63
|
59
|
83
|
55
|
81
|
|
|
2025/10
|
12
|
15
|
19
|
21
|
20
|
21
|
17
|
19
|
19
|
24
|
28
|
30
|
30
|
36
|
16
|
14
|
19
|
14
|
12
|
12
|
12
|
18
|
29
|
36
|
31
|
30
|
28
|
33
|
42
|
22
|
22
|
|
2025/09
|
24
|
24
|
22
|
25
|
28
|
34
|
39
|
29
|
19
|
19
|
19
|
19
|
16
|
18
|
21
|
20
|
19
|
20
|
28
|
38
|
23
|
21
|
19
|
13
|
11
|
12
|
17
|
20
|
18
|
16
|
|
|
2025/08
|
25
|
30
|
30
|
31
|
30
|
21
|
17
|
19
|
23
|
28
|
18
|
24
|
30
|
31
|
19
|
15
|
19
|
22
|
14
|
18
|
16
|
12
|
19
|
22
|
21
|
21
|
18
|
25
|
26
|
29
|
31
|
|
2025/07
|
14
|
13
|
16
|
18
|
19
|
27
|
29
|
29
|
19
|
22
|
21
|
27
|
27
|
26
|
25
|
23
|
21
|
25
|
23
|
21
|
10
|
11
|
11
|
16
|
17
|
19
|
24
|
27
|
30
|
26
|
22
|
|
2025/06
|
21
|
15
|
27
|
28
|
32
|
38
|
42
|
47
|
36
|
31
|
36
|
33
|
35
|
25
|
29
|
34
|
27
|
22
|
13
|
25
|
31
|
15
|
26
|
18
|
15
|
12
|
19
|
19
|
19
|
13
|
|
|
2025/05
|
44
|
55
|
45
|
28
|
40
|
31
|
26
|
24
|
34
|
25
|
42
|
36
|
35
|
38
|
46
|
48
|
38
|
48
|
60
|
34
|
26
|
29
|
39
|
53
|
38
|
28
|
13
|
11
|
21
|
23
|
18
|
|
2025/04
|
30
|
44
|
56
|
63
|
56
|
58
|
58
|
56
|
69
|
60
|
56
|
133
|
212
|
98
|
79
|
62
|
59
|
54
|
22
|
30
|
37
|
23
|
43
|
19
|
43
|
29
|
15
|
28
|
37
|
15
|
|
|
2025/03
|
46
|
60
|
59
|
31
|
19
|
23
|
40
|
38
|
19
|
30
|
38
|
53
|
30
|
22
|
20
|
26
|
32
|
21
|
33
|
44
|
53
|
64
|
52
|
61
|
56
|
57
|
65
|
70
|
16
|
24
|
36
|
|
2025/02
|
21
|
15
|
25
|
35
|
37
|
18
|
22
|
47
|
57
|
40
|
33
|
46
|
37
|
17
|
30
|
51
|
31
|
29
|
16
|
15
|
15
|
11
|
19
|
23
|
23
|
43
|
33
|
39
|
|||
|
2025/01
|
71
|
83
|
78
|
71
|
70
|
73
|
57
|
41
|
29
|
32
|
43
|
51
|
43
|
61
|
59
|
74
|
62
|
54
|
50
|
75
|
76
|
78
|
67
|
46
|
16
|
21
|
40
|
39
|
65
|
46
|
34
|
|
2024/12
|
69
|
96
|
45
|
35
|
19
|
21
|
26
|
38
|
15
|
11
|
21
|
36
|
45
|
63
|
56
|
59
|
61
|
54
|
64
|
90
|
112
|
65
|
70
|
63
|
60
|
35
|
57
|
76
|
64
|
31
|
46
|
|
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