Air Quality
Excellent
No health implications.
29
PM2.5
40
PM10
101
O3
0.4
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
58
Good
Sun
21 Apr
91
Good
Mon
22 Apr
94
Good
Tue
23 Apr
83
Good
Wed
24 Apr
86
Good
Thu
25 Apr
60
Good
Fri
26 Apr
52
Good
Air quality in the last 12 months (Youhao zone)
|
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
|
|
|
2023/10
|
16
|
19
|
21
|
18
|
18
|
28
|
28
|
40
|
35
|
37
|
35
|
30
|
33
|
37
|
32
|
24
|
29
|
35
|
21
|
24
|
20
|
18
|
25
|
71
|
58
|
25
|
44
|
49
|
39
|
95
|
63
|
|
2023/09
|
11
|
19
|
27
|
24
|
20
|
17
|
26
|
39
|
27
|
23
|
28
|
16
|
18
|
24
|
17
|
14
|
20
|
18
|
14
|
22
|
20
|
16
|
20
|
21
|
19
|
22
|
24
|
16
|
16
|
15
|
|
|
2023/08
|
24
|
20
|
13
|
15
|
14
|
16
|
16
|
12
|
12
|
15
|
15
|
14
|
15
|
15
|
18
|
21
|
17
|
16
|
16
|
19
|
20
|
27
|
19
|
21
|
14
|
15
|
15
|
15
|
14
|
14
|
14
|
|
2023/07
|
22
|
21
|
25
|
23
|
29
|
24
|
21
|
24
|
24
|
23
|
45
|
40
|
52
|
31
|
16
|
13
|
13
|
18
|
18
|
21
|
20
|
11
|
13
|
16
|
39
|
55
|
18
|
21
|
23
|
18
|
15
|
|
2023/06
|
22
|
20
|
18
|
19
|
21
|
17
|
23
|
29
|
22
|
24
|
22
|
25
|
25
|
26
|
18
|
32
|
25
|
27
|
29
|
32
|
28
|
22
|
23
|
22
|
33
|
50
|
39
|
22
|
19
|
27
|
|
|
2023/05
|
33
|
46
|
94
|
34
|
29
|
36
|
35
|
26
|
23
|
32
|
32
|
40
|
34
|
31
|
31
|
28
|
24
|
28
|
40
|
172
|
105
|
28
|
30
|
47
|
56
|
34
|
27
|
20
|
16
|
24
|
23
|
|
2023/04
|
50
|
70
|
75
|
39
|
44
|
57
|
86
|
33
|
76
|
145
|
167
|
48
|
24
|
32
|
29
|
32
|
33
|
40
|
26
|
48
|
28
|
40
|
34
|
33
|
37
|
29
|
33
|
32
|
35
|
31
|
|
|
2023/03
|
31
|
36
|
39
|
35
|
81
|
78
|
26
|
27
|
27
|
34
|
31
|
26
|
25
|
26
|
32
|
27
|
26
|
25
|
28
|
62
|
94
|
243
|
73
|
48
|
28
|
57
|
46
|
64
|
67
|
33
|
46
|
|
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