Air Quality
Excellent
No health implications.
3
PM2.5
21
PM10
29
O3
0.5
CO
3
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Sep
46
Excellent
Mon
21 Sep
40
Excellent
Tue
22 Sep
41
Excellent
Wed
23 Sep
46
Excellent
Thu
24 Sep
44
Excellent
Fri
25 Sep
40
Excellent
Sat
26 Sep
43
Excellent
Air quality in the last 12 months (Youhao zone)
|
2026/08
|
23
|
19
|
14
|
17
|
17
|
17
|
19
|
18
|
16
|
20
|
21
|
20
|
16
|
15
|
17
|
20
|
23
|
19
|
16
|
19
|
22
|
14
|
21
|
17
|
21
|
17
|
15
|
14
|
15
|
13
|
12
|
|
2026/07
|
26
|
22
|
25
|
23
|
22
|
20
|
17
|
15
|
16
|
20
|
21
|
17
|
22
|
20
|
19
|
15
|
19
|
22
|
25
|
20
|
22
|
24
|
23
|
20
|
20
|
15
|
14
|
18
|
12
|
12
|
20
|
|
2026/06
|
49
|
18
|
19
|
17
|
12
|
14
|
14
|
19
|
16
|
17
|
24
|
25
|
18
|
20
|
27
|
26
|
26
|
26
|
30
|
24
|
23
|
22
|
21
|
30
|
28
|
22
|
20
|
19
|
20
|
26
|
|
|
2026/05
|
26
|
24
|
22
|
27
|
42
|
25
|
23
|
22
|
30
|
46
|
44
|
44
|
88
|
44
|
24
|
19
|
18
|
22
|
36
|
31
|
26
|
27
|
23
|
29
|
29
|
23
|
20
|
24
|
17
|
17
|
35
|
|
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
|
|
|
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