Air Quality
Excellent
No health implications.
27
PM2.5
40
PM10
20
O3
1.0
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Nov
53
Good
Thu
27 Nov
52
Good
Fri
28 Nov
58
Good
Sat
29 Nov
57
Good
Sun
30 Nov
56
Good
Mon
1 Dec
56
Good
Tue
2 Dec
25
Excellent
Air quality in the last 12 months (Youhao zone)
|
2025/10
|
18
|
21
|
30
|
25
|
16
|
16
|
20
|
14
|
18
|
22
|
26
|
18
|
17
|
16
|
15
|
21
|
15
|
16
|
17
|
17
|
18
|
19
|
24
|
32
|
100
|
115
|
69
|
24
|
56
|
88
|
44
|
|
2025/09
|
19
|
16
|
20
|
37
|
29
|
19
|
15
|
14
|
13
|
17
|
19
|
16
|
16
|
19
|
12
|
12
|
11
|
12
|
16
|
16
|
14
|
19
|
24
|
19
|
11
|
12
|
18
|
17
|
21
|
24
|
|
|
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
|
|
|
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