Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
19
O3
0.5
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Oct
54
Good
Thu
30 Oct
59
Good
Fri
31 Oct
59
Good
Sat
1 Nov
58
Good
Sun
2 Nov
55
Good
Mon
3 Nov
19
Excellent
Tue
4 Nov
38
Excellent
Air quality in the last 12 months (Youhao zone)
|
2025/08
|
16
|
14
|
11
|
15
|
13
|
12
|
10
|
13
|
11
|
11
|
10
|
13
|
13
|
14
|
20
|
12
|
14
|
25
|
13
|
12
|
17
|
11
|
13
|
19
|
19
|
14
|
16
|
31
|
17
|
16
|
19
|
|
2025/07
|
20
|
16
|
14
|
18
|
18
|
14
|
16
|
16
|
16
|
20
|
22
|
13
|
13
|
16
|
18
|
12
|
11
|
15
|
15
|
15
|
15
|
17
|
27
|
25
|
19
|
18
|
17
|
17
|
19
|
12
|
13
|
|
2025/06
|
17
|
28
|
42
|
12
|
17
|
12
|
11
|
19
|
19
|
16
|
12
|
20
|
28
|
19
|
17
|
24
|
13
|
18
|
21
|
15
|
10
|
13
|
30
|
28
|
30
|
27
|
31
|
31
|
21
|
19
|
|
|
2025/05
|
39
|
30
|
15
|
12
|
13
|
15
|
21
|
31
|
29
|
34
|
44
|
82
|
59
|
35
|
44
|
19
|
16
|
15
|
24
|
19
|
13
|
16
|
20
|
16
|
17
|
17
|
19
|
33
|
35
|
34
|
42
|
|
2025/04
|
58
|
44
|
48
|
38
|
45
|
50
|
48
|
38
|
40
|
46
|
35
|
87
|
35
|
17
|
13
|
15
|
41
|
59
|
21
|
15
|
39
|
22
|
37
|
27
|
19
|
13
|
25
|
19
|
28
|
22
|
|
|
2025/03
|
21
|
21
|
23
|
29
|
31
|
29
|
29
|
30
|
31
|
77
|
26
|
40
|
20
|
17
|
18
|
21
|
21
|
24
|
32
|
63
|
27
|
13
|
15
|
19
|
21
|
15
|
17
|
12
|
14
|
15
|
34
|
|
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
|
|
|
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