Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
72
O3
0.4
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
49
Excellent
Mon
23 Jun
62
Good
Tue
24 Jun
90
Good
Wed
25 Jun
85
Good
Thu
26 Jun
84
Good
Fri
27 Jun
86
Good
Sat
28 Jun
37
Excellent
Air quality in the last 12 months (Youhao zone)
|
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
|
|
|
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
|
|
|
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