Air Quality
Excellent
No health implications.
10
PM2.5
16
PM10
55
O3
0.5
CO
5
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 May
51
Good
Mon
25 May
42
Excellent
Tue
26 May
39
Excellent
Wed
27 May
47
Excellent
Thu
28 May
38
Excellent
Fri
29 May
36
Excellent
Sat
30 May
15
Excellent
Air quality in the last 12 months (Youhao zone)
|
2026/04
|
37
|
75
|
25
|
23
|
27
|
37
|
20
|
59
|
30
|
24
|
28
|
29
|
21
|
25
|
31
|
46
|
58
|
27
|
22
|
47
|
31
|
20
|
21
|
20
|
24
|
20
|
20
|
24
|
28
|
43
|
|
|
2026/03
|
23
|
23
|
21
|
30
|
39
|
28
|
24
|
27
|
26
|
31
|
30
|
24
|
28
|
39
|
29
|
29
|
26
|
45
|
50
|
33
|
110
|
91
|
28
|
42
|
117
|
92
|
39
|
24
|
54
|
28
|
38
|
|
2026/02
|
46
|
68
|
61
|
56
|
25
|
27
|
31
|
50
|
66
|
57
|
59
|
56
|
52
|
30
|
17
|
62
|
103
|
22
|
30
|
49
|
84
|
60
|
33
|
21
|
35
|
29
|
24
|
18
|
|||
|
2026/01
|
16
|
40
|
62
|
44
|
26
|
52
|
26
|
33
|
46
|
41
|
51
|
49
|
36
|
32
|
38
|
48
|
76
|
62
|
52
|
63
|
51
|
52
|
58
|
50
|
39
|
44
|
53
|
41
|
21
|
36
|
36
|
|
2025/12
|
30
|
30
|
36
|
39
|
49
|
59
|
83
|
60
|
45
|
34
|
25
|
33
|
44
|
43
|
52
|
29
|
39
|
42
|
53
|
42
|
30
|
38
|
36
|
48
|
46
|
38
|
58
|
70
|
47
|
45
|
36
|
|
2025/11
|
35
|
24
|
26
|
37
|
64
|
39
|
19
|
63
|
76
|
19
|
27
|
49
|
18
|
20
|
29
|
48
|
20
|
23
|
122
|
123
|
29
|
156
|
310
|
54
|
26
|
64
|
84
|
40
|
45
|
30
|
|
|
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
|
|
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