Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
30
O3
1.0
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
50
Excellent
Fri
20 Mar
52
Good
Sat
21 Mar
46
Excellent
Sun
22 Mar
50
Excellent
Mon
23 Mar
54
Good
Tue
24 Mar
19
Excellent
Wed
25 Mar
44
Excellent
Yudu Air quality rank
Air quality in the last 12 months (Yudu)
|
2026/02
|
20
|
35
|
50
|
49
|
46
|
55
|
21
|
33
|
44
|
50
|
37
|
47
|
52
|
42
|
39
|
31
|
33
|
44
|
37
|
27
|
34
|
52
|
41
|
30
|
17
|
24
|
12
|
15
|
|||
|
2026/01
|
48
|
21
|
36
|
51
|
45
|
47
|
46
|
44
|
48
|
45
|
51
|
61
|
57
|
56
|
63
|
73
|
66
|
83
|
90
|
30
|
30
|
47
|
57
|
64
|
70
|
69
|
40
|
42
|
50
|
58
|
16
|
|
2025/12
|
50
|
61
|
66
|
62
|
68
|
66
|
64
|
66
|
77
|
87
|
78
|
66
|
34
|
33
|
49
|
45
|
48
|
58
|
55
|
47
|
77
|
63
|
59
|
44
|
26
|
53
|
52
|
57
|
48
|
53
|
70
|
|
2025/11
|
37
|
44
|
37
|
19
|
20
|
28
|
44
|
37
|
17
|
14
|
43
|
29
|
31
|
40
|
43
|
49
|
53
|
28
|
28
|
34
|
39
|
48
|
58
|
52
|
60
|
62
|
57
|
55
|
49
|
50
|
|
|
2025/10
|
40
|
30
|
28
|
33
|
23
|
21
|
28
|
31
|
35
|
34
|
35
|
31
|
25
|
30
|
35
|
38
|
37
|
50
|
28
|
14
|
20
|
24
|
36
|
39
|
52
|
71
|
70
|
63
|
60
|
68
|
43
|
|
2025/09
|
19
|
19
|
21
|
27
|
24
|
30
|
31
|
12
|
14
|
16
|
14
|
29
|
23
|
27
|
27
|
22
|
25
|
23
|
21
|
17
|
24
|
34
|
36
|
24
|
20
|
22
|
30
|
33
|
35
|
43
|
|
|
2025/08
|
28
|
27
|
17
|
16
|
15
|
14
|
18
|
20
|
27
|
33
|
25
|
31
|
27
|
13
|
15
|
18
|
20
|
18
|
15
|
20
|
20
|
19
|
31
|
20
|
19
|
21
|
23
|
22
|
22
|
21
|
26
|
|
2025/07
|
20
|
25
|
27
|
34
|
31
|
30
|
34
|
37
|
28
|
17
|
22
|
14
|
20
|
22
|
26
|
31
|
36
|
33
|
20
|
12
|
14
|
14
|
22
|
19
|
24
|
30
|
20
|
21
|
24
|
23
|
25
|
|
2025/06
|
17
|
18
|
16
|
26
|
30
|
30
|
30
|
27
|
20
|
26
|
24
|
17
|
25
|
15
|
13
|
17
|
14
|
16
|
17
|
15
|
14
|
14
|
17
|
23
|
29
|
19
|
15
|
18
|
17
|
17
|
|
|
2025/05
|
44
|
47
|
51
|
38
|
19
|
24
|
41
|
24
|
18
|
36
|
28
|
35
|
34
|
32
|
29
|
23
|
22
|
16
|
15
|
16
|
23
|
25
|
24
|
36
|
49
|
42
|
42
|
26
|
14
|
20
|
25
|
|
2025/04
|
38
|
40
|
44
|
52
|
48
|
50
|
55
|
56
|
53
|
45
|
43
|
82
|
161
|
108
|
72
|
62
|
67
|
55
|
25
|
19
|
35
|
30
|
17
|
22
|
20
|
16
|
17
|
28
|
45
|
47
|
|
|
2025/03
|
30
|
24
|
29
|
12
|
17
|
20
|
36
|
29
|
39
|
45
|
46
|
36
|
33
|
19
|
10
|
26
|
47
|
36
|
39
|
36
|
39
|
44
|
49
|
58
|
65
|
62
|
48
|
63
|
20
|
11
|
25
|
|
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