Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
16
O3
0.3
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Nov
45
Excellent
Sun
24 Nov
46
Excellent
Mon
25 Nov
57
Good
Tue
26 Nov
53
Good
Wed
27 Nov
47
Excellent
Thu
28 Nov
50
Excellent
Air quality in the last 12 months (Youhao zone)
|
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
|
|
2024/02
|
44
|
60
|
56
|
78
|
66
|
43
|
46
|
83
|
76
|
64
|
101
|
66
|
90
|
29
|
28
|
37
|
51
|
40
|
26
|
28
|
27
|
28
|
29
|
37
|
54
|
38
|
35
|
36
|
33
|
||
|
2024/01
|
39
|
87
|
60
|
68
|
48
|
57
|
42
|
52
|
69
|
53
|
45
|
42
|
47
|
45
|
31
|
61
|
80
|
43
|
41
|
39
|
25
|
25
|
40
|
31
|
55
|
77
|
84
|
89
|
69
|
48
|
33
|
|
2023/12
|
66
|
92
|
58
|
43
|
49
|
48
|
34
|
34
|
31
|
22
|
39
|
40
|
43
|
43
|
35
|
25
|
36
|
50
|
41
|
45
|
60
|
74
|
108
|
112
|
80
|
56
|
75
|
102
|
121
|
51
|
33
|
|
2023/11
|
26
|
30
|
22
|
35
|
35
|
19
|
21
|
34
|
46
|
42
|
26
|
34
|
46
|
65
|
72
|
75
|
47
|
21
|
43
|
26
|
64
|
36
|
21
|
31
|
30
|
59
|
57
|
50
|
57
|
38
|
|
|
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