Air Quality
Excellent
No health implications.
19
PM2.5
39
PM10
98
O3
0.3
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
59
Good
Wed
17 Dec
62
Good
Thu
18 Dec
61
Good
Fri
19 Dec
58
Good
Sat
20 Dec
57
Good
Sun
21 Dec
65
Good
Mon
22 Dec
21
Excellent
Air quality in the last 12 months (Xuwen)
|
2025/11
|
37
|
45
|
46
|
20
|
18
|
28
|
16
|
18
|
35
|
34
|
31
|
27
|
49
|
29
|
40
|
44
|
44
|
50
|
25
|
31
|
35
|
41
|
50
|
54
|
44
|
52
|
50
|
54
|
60
|
47
|
|
|
2025/10
|
13
|
14
|
15
|
16
|
23
|
18
|
14
|
16
|
23
|
27
|
23
|
14
|
11
|
12
|
18
|
21
|
25
|
32
|
37
|
29
|
23
|
21
|
23
|
31
|
41
|
42
|
42
|
41
|
44
|
32
|
46
|
|
2025/09
|
12
|
13
|
11
|
12
|
11
|
10
|
20
|
19
|
19
|
16
|
16
|
12
|
11
|
14
|
13
|
12
|
14
|
16
|
19
|
23
|
21
|
10
|
25
|
24
|
15
|
18
|
26
|
18
|
17
|
18
|
|
|
2025/08
|
26
|
31
|
37
|
35
|
27
|
27
|
28
|
25
|
26
|
20
|
19
|
20
|
24
|
18
|
15
|
15
|
18
|
9
|
17
|
21
|
20
|
14
|
14
|
18
|
18
|
16
|
15
|
18
|
17
|
13
|
11
|
|
2025/07
|
13
|
12
|
11
|
16
|
17
|
21
|
19
|
21
|
21
|
22
|
20
|
20
|
22
|
24
|
26
|
27
|
23
|
23
|
18
|
15
|
10
|
17
|
23
|
17
|
19
|
14
|
20
|
14
|
20
|
17
|
21
|
|
2025/06
|
21
|
22
|
29
|
24
|
11
|
14
|
18
|
22
|
21
|
20
|
21
|
18
|
14
|
15
|
19
|
19
|
24
|
21
|
17
|
19
|
18
|
15
|
16
|
15
|
12
|
12
|
11
|
15
|
14
|
14
|
|
|
2025/05
|
26
|
21
|
27
|
27
|
21
|
28
|
24
|
17
|
22
|
21
|
29
|
37
|
30
|
19
|
12
|
12
|
12
|
18
|
17
|
20
|
18
|
17
|
15
|
15
|
33
|
43
|
38
|
23
|
15
|
14
|
14
|
|
2025/04
|
28
|
40
|
30
|
34
|
40
|
35
|
46
|
40
|
40
|
36
|
28
|
40
|
156
|
172
|
149
|
120
|
87
|
57
|
39
|
28
|
28
|
33
|
29
|
33
|
34
|
24
|
17
|
29
|
31
|
32
|
|
|
2025/03
|
29
|
28
|
29
|
27
|
27
|
14
|
14
|
25
|
37
|
47
|
42
|
30
|
25
|
20
|
25
|
22
|
39
|
45
|
53
|
55
|
50
|
48
|
38
|
40
|
43
|
39
|
38
|
32
|
21
|
13
|
20
|
|
2025/02
|
31
|
23
|
37
|
23
|
30
|
43
|
44
|
35
|
56
|
48
|
38
|
32
|
40
|
24
|
22
|
22
|
44
|
50
|
46
|
39
|
41
|
34
|
38
|
27
|
39
|
53
|
44
|
31
|
|||
|
2025/01
|
76
|
63
|
71
|
55
|
67
|
79
|
50
|
56
|
75
|
65
|
49
|
43
|
45
|
49
|
44
|
57
|
60
|
54
|
59
|
64
|
50
|
53
|
47
|
35
|
33
|
33
|
35
|
38
|
58
|
49
|
48
|
|
2024/12
|
43
|
36
|
38
|
35
|
40
|
49
|
63
|
38
|
43
|
35
|
41
|
49
|
48
|
48
|
60
|
43
|
48
|
51
|
52
|
52
|
55
|
52
|
60
|
62
|
59
|
60
|
77
|
73
|
67
|
51
|
69
|
|
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