Air Quality
Excellent
No health implications.
20
PM2.5
41
PM10
86
O3
0.5
CO
16
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
76
Good
Tue
22 Apr
66
Good
Wed
23 Apr
55
Good
Thu
24 Apr
48
Excellent
Fri
25 Apr
52
Good
Sat
26 Apr
43
Excellent
Sun
27 Apr
29
Excellent
Air quality in the last 12 months (Xiuwen)
|
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
|
|
2024/11
|
40
|
24
|
53
|
48
|
42
|
52
|
53
|
47
|
46
|
35
|
34
|
32
|
37
|
42
|
52
|
47
|
36
|
11
|
11
|
15
|
17
|
27
|
30
|
25
|
9
|
19
|
24
|
27
|
34
|
45
|
|
|
2024/10
|
6
|
12
|
29
|
37
|
44
|
48
|
27
|
26
|
32
|
51
|
56
|
47
|
24
|
20
|
30
|
27
|
12
|
23
|
13
|
13
|
19
|
13
|
25
|
23
|
21
|
35
|
47
|
39
|
32
|
38
|
43
|
|
2024/09
|
22
|
18
|
15
|
17
|
24
|
31
|
22
|
13
|
13
|
21
|
21
|
25
|
27
|
28
|
21
|
29
|
19
|
20
|
24
|
30
|
25
|
17
|
32
|
34
|
44
|
47
|
43
|
40
|
22
|
11
|
|
|
2024/08
|
12
|
8
|
10
|
9
|
14
|
16
|
15
|
16
|
16
|
16
|
36
|
54
|
48
|
35
|
31
|
29
|
26
|
26
|
33
|
29
|
25
|
16
|
11
|
17
|
9
|
13
|
18
|
20
|
28
|
27
|
22
|
|
2024/07
|
17
|
21
|
13
|
10
|
11
|
12
|
14
|
13
|
15
|
16
|
13
|
14
|
14
|
11
|
9
|
11
|
11
|
9
|
7
|
9
|
8
|
11
|
11
|
12
|
19
|
29
|
29
|
27
|
12
|
12
|
12
|
|
2024/06
|
26
|
25
|
11
|
11
|
23
|
20
|
12
|
10
|
9
|
13
|
20
|
13
|
21
|
24
|
28
|
28
|
11
|
21
|
17
|
21
|
19
|
11
|
17
|
19
|
19
|
11
|
11
|
13
|
9
|
26
|
|
|
2024/05
|
17
|
16
|
11
|
11
|
30
|
34
|
19
|
26
|
23
|
20
|
16
|
14
|
23
|
33
|
39
|
37
|
33
|
16
|
21
|
23
|
16
|
25
|
34
|
32
|
31
|
16
|
29
|
27
|
19
|
12
|
24
|
|
2024/04
|
45
|
43
|
40
|
17
|
17
|
15
|
17
|
20
|
33
|
38
|
37
|
41
|
54
|
56
|
62
|
61
|
40
|
25
|
19
|
20
|
28
|
45
|
25
|
37
|
30
|
41
|
28
|
43
|
53
|
17
|
|
|
2024/03
|
38
|
56
|
38
|
37
|
32
|
24
|
56
|
54
|
38
|
50
|
46
|
44
|
40
|
47
|
30
|
35
|
37
|
14
|
36
|
65
|
61
|
54
|
39
|
50
|
31
|
37
|
49
|
27
|
41
|
47
|
50
|
|
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