Air Quality
Excellent
No health implications.
10
PM2.5
30
PM10
87
O3
0.4
CO
3
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
59
Good
Sun
11 May
49
Excellent
Mon
12 May
54
Good
Tue
13 May
50
Excellent
Wed
14 May
53
Good
Thu
15 May
45
Excellent
Fri
16 May
43
Excellent
Air quality in the last 12 months (Youxi)
|
2025/02
|
35
|
17
|
7
|
32
|
37
|
35
|
26
|
47
|
28
|
41
|
33
|
58
|
33
|
42
|
46
|
51
|
40
|
62
|
31
|
18
|
11
|
15
|
9
|
22
|
52
|
58
|
54
|
42
|
|||
|
2025/01
|
66
|
55
|
47
|
37
|
39
|
50
|
53
|
51
|
46
|
43
|
32
|
37
|
42
|
41
|
52
|
62
|
47
|
39
|
37
|
37
|
47
|
51
|
45
|
35
|
24
|
20
|
18
|
38
|
106
|
40
|
30
|
|
2024/12
|
40
|
40
|
36
|
37
|
42
|
47
|
22
|
38
|
54
|
41
|
31
|
17
|
16
|
46
|
56
|
50
|
45
|
39
|
44
|
43
|
40
|
51
|
43
|
30
|
33
|
41
|
63
|
74
|
51
|
45
|
56
|
|
2024/11
|
12
|
14
|
23
|
26
|
34
|
34
|
25
|
24
|
29
|
36
|
30
|
21
|
18
|
22
|
26
|
15
|
17
|
11
|
11
|
14
|
16
|
23
|
26
|
25
|
19
|
15
|
29
|
24
|
34
|
36
|
|
|
2024/10
|
10
|
10
|
21
|
18
|
18
|
20
|
19
|
13
|
14
|
26
|
31
|
34
|
26
|
31
|
28
|
23
|
22
|
30
|
31
|
14
|
18
|
23
|
18
|
26
|
27
|
22
|
17
|
8
|
21
|
30
|
18
|
|
2024/09
|
32
|
30
|
27
|
23
|
20
|
18
|
16
|
16
|
15
|
24
|
31
|
37
|
21
|
22
|
21
|
27
|
17
|
18
|
18
|
19
|
19
|
10
|
9
|
14
|
20
|
18
|
17
|
17
|
24
|
16
|
|
|
2024/08
|
25
|
30
|
35
|
31
|
23
|
30
|
30
|
27
|
29
|
34
|
34
|
33
|
26
|
23
|
18
|
20
|
17
|
19
|
20
|
18
|
15
|
20
|
28
|
29
|
31
|
30
|
39
|
32
|
29
|
34
|
35
|
|
2024/07
|
19
|
20
|
21
|
22
|
25
|
22
|
21
|
20
|
21
|
26
|
25
|
21
|
20
|
27
|
30
|
25
|
20
|
19
|
21
|
22
|
26
|
23
|
17
|
13
|
12
|
7
|
10
|
18
|
24
|
23
|
25
|
|
2024/06
|
16
|
6
|
14
|
25
|
21
|
14
|
22
|
29
|
21
|
21
|
21
|
25
|
18
|
19
|
21
|
16
|
19
|
25
|
25
|
23
|
23
|
26
|
26
|
20
|
23
|
25
|
22
|
23
|
19
|
17
|
|
|
2024/05
|
20
|
13
|
25
|
30
|
29
|
26
|
38
|
37
|
42
|
35
|
47
|
36
|
16
|
25
|
30
|
38
|
37
|
38
|
32
|
21
|
13
|
10
|
18
|
29
|
30
|
20
|
18
|
20
|
22
|
28
|
27
|
|
2024/04
|
26
|
39
|
41
|
19
|
17
|
23
|
22
|
20
|
17
|
38
|
44
|
57
|
59
|
50
|
56
|
55
|
35
|
33
|
31
|
41
|
26
|
33
|
28
|
25
|
50
|
35
|
32
|
28
|
37
|
24
|
|
|
2024/03
|
21
|
19
|
32
|
41
|
61
|
19
|
21
|
43
|
57
|
51
|
32
|
37
|
60
|
62
|
33
|
38
|
50
|
31
|
28
|
45
|
50
|
79
|
68
|
53
|
36
|
25
|
33
|
36
|
33
|
45
|
30
|
|
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