Air Quality
Excellent
No health implications.
9
PM2.5
22
PM10
40
O3
0.3
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
43
Excellent
Tue
29 Apr
37
Excellent
Wed
30 Apr
58
Good
Thu
1 May
75
Good
Fri
2 May
87
Good
Sat
3 May
35
Excellent
Sun
4 May
32
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