Air Quality
Excellent
No health implications.
27
PM2.5
42
PM10
90
O3
0.4
CO
6
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jan
93
Good
Sat
17 Jan
82
Good
Sun
18 Jan
81
Good
Mon
19 Jan
77
Good
Tue
20 Jan
82
Good
Wed
21 Jan
76
Good
Thu
22 Jan
23
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