Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
64
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Apr
47
Excellent
Thu
17 Apr
54
Good
Fri
18 Apr
48
Excellent
Sat
19 Apr
57
Good
Sun
20 Apr
52
Good
Mon
21 Apr
22
Excellent
Tue
22 Apr
35
Excellent
Youhao zone Air quality rank
Air quality in the last 12 months (Youhao zone)
|
2025/02
|
59
|
66
|
45
|
29
|
22
|
21
|
35
|
18
|
37
|
52
|
56
|
42
|
75
|
58
|
51
|
27
|
21
|
19
|
28
|
22
|
25
|
22
|
36
|
44
|
63
|
28
|
43
|
42
|
|||
|
2025/01
|
105
|
125
|
95
|
114
|
71
|
66
|
93
|
35
|
46
|
69
|
85
|
98
|
94
|
66
|
55
|
38
|
50
|
61
|
68
|
61
|
65
|
59
|
77
|
91
|
83
|
59
|
31
|
44
|
19
|
31
|
51
|
|
2024/12
|
50
|
34
|
35
|
27
|
23
|
25
|
38
|
48
|
73
|
74
|
68
|
63
|
60
|
73
|
62
|
37
|
50
|
43
|
66
|
83
|
52
|
65
|
53
|
68
|
62
|
41
|
48
|
69
|
86
|
72
|
69
|
|
2024/11
|
35
|
22
|
25
|
15
|
15
|
17
|
24
|
40
|
54
|
48
|
47
|
31
|
45
|
99
|
61
|
42
|
15
|
16
|
55
|
65
|
56
|
25
|
26
|
42
|
35
|
28
|
25
|
35
|
30
|
17
|
|
|
2024/10
|
14
|
21
|
21
|
27
|
38
|
31
|
34
|
42
|
35
|
31
|
22
|
20
|
22
|
34
|
13
|
20
|
27
|
28
|
14
|
70
|
27
|
39
|
22
|
30
|
40
|
27
|
36
|
66
|
80
|
56
|
53
|
|
2024/09
|
11
|
14
|
15
|
22
|
14
|
15
|
29
|
17
|
17
|
16
|
17
|
16
|
16
|
13
|
18
|
22
|
19
|
21
|
14
|
14
|
13
|
16
|
23
|
24
|
20
|
17
|
21
|
20
|
30
|
22
|
|
|
2024/08
|
14
|
15
|
16
|
15
|
16
|
14
|
19
|
18
|
19
|
23
|
12
|
11
|
15
|
19
|
22
|
22
|
21
|
17
|
14
|
19
|
19
|
18
|
19
|
18
|
15
|
13
|
16
|
18
|
21
|
12
|
13
|
|
2024/07
|
61
|
48
|
62
|
66
|
63
|
60
|
81
|
71
|
77
|
54
|
57
|
83
|
59
|
51
|
54
|
57
|
50
|
34
|
26
|
26
|
15
|
15
|
14
|
16
|
15
|
11
|
11
|
14
|
15
|
12
|
18
|
|
2024/06
|
18
|
16
|
17
|
14
|
17
|
25
|
34
|
19
|
17
|
16
|
14
|
16
|
15
|
12
|
12
|
14
|
12
|
16
|
16
|
13
|
13
|
12
|
12
|
15
|
15
|
17
|
19
|
44
|
34
|
60
|
|
|
2024/05
|
47
|
49
|
24
|
79
|
82
|
55
|
40
|
45
|
21
|
26
|
15
|
19
|
21
|
19
|
12
|
16
|
31
|
30
|
26
|
42
|
38
|
26
|
12
|
15
|
28
|
25
|
20
|
20
|
14
|
13
|
16
|
|
2024/04
|
16
|
42
|
46
|
22
|
41
|
56
|
21
|
18
|
42
|
88
|
91
|
87
|
67
|
68
|
54
|
30
|
22
|
30
|
13
|
31
|
85
|
70
|
51
|
82
|
54
|
25
|
21
|
15
|
22
|
39
|
|
|
2024/03
|
23
|
27
|
36
|
35
|
33
|
33
|
40
|
18
|
31
|
47
|
46
|
25
|
35
|
41
|
22
|
18
|
22
|
28
|
26
|
29
|
27
|
30
|
34
|
17
|
29
|
35
|
31
|
203
|
49
|
20
|
11
|
|
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