Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
63
O3
0.5
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
49
Excellent
Mon
20 Oct
43
Excellent
Tue
21 Oct
44
Excellent
Wed
22 Oct
46
Excellent
Thu
23 Oct
48
Excellent
Fri
24 Oct
15
Excellent
Sat
25 Oct
20
Excellent
Air quality in the last 12 months (Yuhuan)
|
2025/08
|
40
|
36
|
40
|
32
|
22
|
35
|
44
|
48
|
44
|
42
|
36
|
24
|
23
|
18
|
17
|
21
|
23
|
19
|
21
|
37
|
33
|
27
|
22
|
18
|
16
|
16
|
15
|
16
|
15
|
12
|
16
|
|
2025/07
|
19
|
25
|
24
|
26
|
16
|
15
|
9
|
10
|
18
|
21
|
17
|
26
|
31
|
36
|
44
|
39
|
30
|
21
|
21
|
21
|
16
|
18
|
22
|
22
|
15
|
20
|
18
|
19
|
18
|
17
|
39
|
|
2025/06
|
35
|
45
|
22
|
32
|
36
|
38
|
36
|
37
|
28
|
21
|
7
|
29
|
20
|
28
|
27
|
19
|
43
|
33
|
22
|
20
|
33
|
39
|
22
|
33
|
27
|
31
|
28
|
23
|
18
|
12
|
|
|
2025/05
|
39
|
45
|
57
|
30
|
41
|
51
|
62
|
56
|
49
|
33
|
33
|
39
|
33
|
29
|
26
|
34
|
47
|
21
|
33
|
36
|
24
|
31
|
36
|
28
|
58
|
40
|
25
|
35
|
23
|
47
|
49
|
|
2025/04
|
35
|
50
|
59
|
50
|
46
|
55
|
58
|
61
|
59
|
54
|
50
|
54
|
94
|
94
|
69
|
60
|
75
|
59
|
42
|
47
|
50
|
37
|
28
|
38
|
30
|
43
|
53
|
41
|
39
|
38
|
|
|
2025/03
|
46
|
46
|
49
|
24
|
20
|
19
|
41
|
57
|
48
|
37
|
60
|
43
|
29
|
34
|
17
|
33
|
42
|
49
|
48
|
57
|
48
|
51
|
55
|
70
|
81
|
60
|
57
|
37
|
45
|
30
|
27
|
|
2025/02
|
29
|
14
|
54
|
70
|
53
|
59
|
52
|
36
|
35
|
44
|
42
|
45
|
75
|
41
|
48
|
74
|
73
|
30
|
52
|
33
|
21
|
40
|
34
|
96
|
90
|
86
|
88
|
60
|
|||
|
2025/01
|
68
|
42
|
49
|
46
|
49
|
69
|
79
|
73
|
61
|
37
|
48
|
61
|
65
|
64
|
81
|
45
|
63
|
63
|
59
|
81
|
120
|
78
|
40
|
26
|
38
|
32
|
31
|
48
|
88
|
45
|
45
|
|
2024/12
|
56
|
56
|
58
|
50
|
42
|
26
|
70
|
63
|
33
|
44
|
21
|
39
|
23
|
111
|
78
|
55
|
61
|
63
|
34
|
35
|
62
|
58
|
40
|
36
|
43
|
90
|
114
|
55
|
56
|
56
|
72
|
|
2024/11
|
10
|
21
|
48
|
53
|
42
|
25
|
29
|
34
|
38
|
25
|
25
|
37
|
38
|
38
|
15
|
18
|
16
|
21
|
21
|
27
|
38
|
43
|
43
|
29
|
39
|
20
|
43
|
46
|
49
|
48
|
|
|
2024/10
|
16
|
17
|
19
|
18
|
18
|
17
|
12
|
20
|
43
|
51
|
54
|
42
|
27
|
43
|
33
|
30
|
37
|
38
|
30
|
21
|
39
|
42
|
29
|
28
|
26
|
20
|
18
|
24
|
48
|
29
|
21
|
|
2024/09
|
37
|
31
|
23
|
23
|
24
|
21
|
21
|
16
|
28
|
31
|
27
|
30
|
18
|
21
|
20
|
20
|
21
|
23
|
13
|
22
|
25
|
18
|
17
|
15
|
16
|
23
|
27
|
35
|
29
|
21
|
|
|
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