Air Quality
Excellent
No health implications.
21
PM2.5
48
PM10
52
O3
0.4
CO
5
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
78
Good
Wed
13 May
86
Good
Thu
14 May
62
Good
Fri
15 May
53
Good
Sat
16 May
55
Good
Sun
17 May
47
Excellent
Mon
18 May
16
Excellent
Air quality in the last 12 months (Yuhuan)
|
2026/04
|
35
|
40
|
50
|
32
|
45
|
44
|
36
|
38
|
49
|
57
|
49
|
33
|
67
|
62
|
51
|
32
|
42
|
39
|
54
|
57
|
28
|
35
|
20
|
31
|
44
|
52
|
47
|
52
|
26
|
29
|
|
|
2026/03
|
27
|
18
|
25
|
31
|
21
|
36
|
45
|
33
|
34
|
43
|
39
|
41
|
55
|
45
|
36
|
35
|
49
|
57
|
28
|
54
|
31
|
47
|
32
|
36
|
47
|
37
|
46
|
48
|
54
|
41
|
39
|
|
2026/02
|
28
|
39
|
57
|
45
|
48
|
42
|
20
|
44
|
36
|
37
|
53
|
78
|
59
|
43
|
33
|
26
|
52
|
52
|
62
|
50
|
39
|
44
|
113
|
38
|
19
|
29
|
16
|
27
|
|||
|
2026/01
|
23
|
37
|
60
|
61
|
44
|
68
|
56
|
60
|
71
|
67
|
70
|
67
|
68
|
74
|
60
|
73
|
66
|
52
|
36
|
15
|
37
|
53
|
51
|
66
|
83
|
55
|
21
|
47
|
40
|
41
|
11
|
|
2025/12
|
68
|
66
|
53
|
46
|
48
|
51
|
55
|
62
|
34
|
51
|
55
|
46
|
38
|
43
|
63
|
59
|
73
|
77
|
61
|
62
|
54
|
30
|
54
|
57
|
33
|
41
|
38
|
45
|
52
|
66
|
31
|
|
2025/11
|
40
|
60
|
34
|
25
|
21
|
35
|
46
|
50
|
24
|
43
|
24
|
12
|
23
|
51
|
49
|
45
|
31
|
19
|
39
|
55
|
62
|
71
|
60
|
57
|
73
|
88
|
88
|
119
|
91
|
72
|
|
|
2025/10
|
21
|
18
|
16
|
17
|
25
|
33
|
30
|
32
|
24
|
29
|
34
|
28
|
22
|
27
|
18
|
31
|
24
|
29
|
14
|
18
|
22
|
28
|
37
|
31
|
37
|
41
|
40
|
28
|
21
|
30
|
16
|
|
2025/09
|
21
|
19
|
19
|
26
|
21
|
22
|
16
|
22
|
26
|
24
|
26
|
32
|
39
|
25
|
21
|
17
|
18
|
21
|
15
|
25
|
16
|
21
|
21
|
24
|
22
|
21
|
24
|
24
|
26
|
20
|
|
|
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
|
|
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