Air Quality
Excellent
No health implications.
21
PM2.5
28
PM10
90
O3
0.7
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
50
Excellent
Mon
16 Feb
52
Good
Tue
17 Feb
53
Good
Wed
18 Feb
50
Excellent
Thu
19 Feb
56
Good
Fri
20 Feb
56
Good
Sat
21 Feb
30
Excellent
Yuhuan Air quality rank
Air quality in the last 12 months (Yuhuan)
|
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
|
|
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
|
|||
|
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