Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
53
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
37
Excellent
Sun
1 Jun
40
Excellent
Mon
2 Jun
35
Excellent
Tue
3 Jun
43
Excellent
Wed
4 Jun
39
Excellent
Thu
5 Jun
41
Excellent
Fri
6 Jun
37
Excellent
Air quality in the last 12 months (Xuwen)
|
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
|
|
2024/11
|
48
|
43
|
41
|
37
|
43
|
51
|
55
|
47
|
53
|
53
|
45
|
48
|
55
|
52
|
45
|
38
|
23
|
32
|
28
|
13
|
21
|
31
|
32
|
35
|
26
|
26
|
36
|
44
|
40
|
44
|
|
|
2024/10
|
33
|
27
|
43
|
46
|
40
|
43
|
41
|
56
|
62
|
54
|
42
|
33
|
32
|
23
|
20
|
17
|
16
|
16
|
20
|
29
|
36
|
42
|
27
|
33
|
40
|
47
|
30
|
27
|
25
|
33
|
45
|
|
2024/09
|
11
|
14
|
20
|
26
|
27
|
22
|
20
|
31
|
26
|
18
|
11
|
20
|
22
|
23
|
31
|
32
|
22
|
21
|
23
|
18
|
20
|
14
|
16
|
13
|
23
|
34
|
27
|
23
|
19
|
20
|
|
|
2024/08
|
23
|
23
|
22
|
21
|
22
|
21
|
25
|
26
|
25
|
28
|
28
|
25
|
20
|
20
|
23
|
20
|
15
|
14
|
21
|
22
|
20
|
22
|
20
|
23
|
17
|
21
|
15
|
19
|
24
|
23
|
15
|
|
2024/07
|
22
|
22
|
18
|
14
|
11
|
10
|
11
|
15
|
13
|
15
|
18
|
16
|
14
|
17
|
18
|
16
|
14
|
15
|
14
|
14
|
13
|
12
|
17
|
20
|
17
|
18
|
25
|
25
|
17
|
16
|
18
|
|
2024/06
|
18
|
20
|
19
|
18
|
20
|
18
|
17
|
17
|
19
|
17
|
21
|
21
|
23
|
25
|
26
|
29
|
25
|
27
|
27
|
25
|
19
|
15
|
13
|
14
|
15
|
16
|
14
|
13
|
16
|
23
|
|
|
2024/05
|
35
|
20
|
19
|
18
|
25
|
32
|
26
|
21
|
37
|
36
|
31
|
26
|
23
|
27
|
33
|
33
|
42
|
23
|
17
|
21
|
19
|
16
|
12
|
14
|
15
|
18
|
22
|
23
|
26
|
28
|
18
|
|
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