Air Quality
Excellent
No health implications.
11
PM2.5
11
PM10
67
O3
0.1
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Dec
54
Good
Tue
30 Dec
55
Good
Wed
31 Dec
59
Good
Thu
1 Jan
58
Good
Fri
2 Jan
55
Good
Sat
3 Jan
56
Good
Sun
4 Jan
25
Excellent
Youyi Air quality rank
Air quality in the last 12 months (Youyi)
|
2025/11
|
66
|
52
|
53
|
62
|
97
|
73
|
22
|
65
|
39
|
18
|
25
|
56
|
34
|
31
|
56
|
70
|
47
|
33
|
71
|
67
|
41
|
88
|
100
|
74
|
36
|
49
|
65
|
54
|
58
|
48
|
|
|
2025/10
|
26
|
23
|
42
|
43
|
20
|
44
|
36
|
21
|
37
|
43
|
38
|
32
|
44
|
56
|
42
|
54
|
46
|
15
|
18
|
20
|
23
|
39
|
44
|
126
|
124
|
140
|
117
|
34
|
81
|
84
|
53
|
|
2025/09
|
26
|
30
|
30
|
40
|
43
|
26
|
32
|
40
|
26
|
21
|
33
|
36
|
35
|
37
|
23
|
18
|
16
|
23
|
33
|
28
|
37
|
31
|
38
|
24
|
16
|
14
|
22
|
27
|
36
|
37
|
|
|
2025/08
|
28
|
31
|
23
|
20
|
22
|
22
|
20
|
18
|
27
|
17
|
19
|
27
|
33
|
23
|
22
|
16
|
17
|
28
|
20
|
20
|
30
|
19
|
15
|
23
|
21
|
16
|
22
|
25
|
18
|
19
|
25
|
|
2025/07
|
28
|
27
|
30
|
22
|
33
|
18
|
25
|
35
|
35
|
20
|
33
|
32
|
24
|
24
|
22
|
23
|
24
|
25
|
32
|
31
|
19
|
23
|
34
|
33
|
29
|
22
|
25
|
22
|
34
|
20
|
24
|
|
2025/06
|
40
|
29
|
18
|
14
|
19
|
18
|
20
|
21
|
23
|
16
|
18
|
25
|
31
|
30
|
27
|
28
|
21
|
25
|
42
|
25
|
17
|
21
|
30
|
39
|
47
|
46
|
47
|
54
|
35
|
26
|
|
|
2025/05
|
45
|
46
|
25
|
16
|
22
|
33
|
44
|
38
|
33
|
37
|
47
|
66
|
42
|
36
|
29
|
31
|
33
|
19
|
26
|
30
|
19
|
37
|
24
|
16
|
21
|
29
|
30
|
46
|
50
|
47
|
55
|
|
2025/04
|
63
|
63
|
72
|
63
|
61
|
46
|
59
|
69
|
59
|
97
|
113
|
78
|
71
|
34
|
46
|
33
|
85
|
65
|
42
|
39
|
73
|
42
|
63
|
42
|
37
|
16
|
29
|
35
|
40
|
33
|
|
|
2025/03
|
16
|
21
|
35
|
50
|
46
|
38
|
27
|
54
|
67
|
69
|
61
|
53
|
21
|
20
|
22
|
34
|
54
|
29
|
41
|
97
|
52
|
16
|
19
|
37
|
47
|
38
|
31
|
22
|
33
|
17
|
51
|
|
2025/02
|
72
|
107
|
87
|
47
|
20
|
26
|
58
|
51
|
33
|
39
|
65
|
72
|
34
|
31
|
57
|
34
|
13
|
40
|
85
|
47
|
32
|
22
|
28
|
40
|
59
|
23
|
57
|
56
|
|||
|
2025/01
|
93
|
68
|
68
|
77
|
84
|
68
|
83
|
96
|
62
|
55
|
77
|
122
|
101
|
97
|
42
|
55
|
73
|
130
|
122
|
114
|
131
|
188
|
137
|
146
|
127
|
141
|
114
|
60
|
65
|
51
|
51
|
|
2024/12
|
36
|
18
|
24
|
19
|
17
|
16
|
17
|
32
|
49
|
56
|
27
|
33
|
23
|
36
|
26
|
19
|
17
|
31
|
34
|
62
|
84
|
56
|
61
|
40
|
49
|
22
|
17
|
28
|
35
|
67
|
88
|
|
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