Air Quality
Excellent
No health implications.
23
PM2.5
28
PM10
40
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Feb
91
Good
Wed
18 Feb
42
Excellent
Thu
19 Feb
48
Excellent
Fri
20 Feb
49
Excellent
Sat
21 Feb
48
Excellent
Sun
22 Feb
50
Excellent
Mon
23 Feb
48
Excellent
Air quality in the last 12 months (Youxi)
|
2026/01
|
25
|
16
|
22
|
28
|
29
|
27
|
43
|
38
|
39
|
38
|
41
|
50
|
41
|
40
|
44
|
50
|
53
|
51
|
46
|
25
|
14
|
41
|
45
|
44
|
26
|
33
|
49
|
25
|
30
|
24
|
24
|
|
2025/12
|
38
|
35
|
48
|
43
|
34
|
38
|
38
|
39
|
47
|
32
|
40
|
46
|
36
|
22
|
32
|
38
|
37
|
52
|
51
|
47
|
51
|
22
|
27
|
37
|
13
|
28
|
26
|
31
|
34
|
36
|
41
|
|
2025/11
|
21
|
31
|
41
|
11
|
13
|
19
|
26
|
27
|
18
|
16
|
24
|
8
|
12
|
21
|
33
|
37
|
32
|
22
|
19
|
25
|
31
|
34
|
41
|
36
|
37
|
56
|
49
|
54
|
52
|
46
|
|
|
2025/10
|
32
|
23
|
26
|
30
|
28
|
26
|
24
|
27
|
29
|
21
|
21
|
29
|
34
|
18
|
20
|
21
|
29
|
27
|
17
|
12
|
8
|
12
|
20
|
22
|
29
|
28
|
43
|
27
|
19
|
23
|
24
|
|
2025/09
|
23
|
23
|
28
|
30
|
27
|
20
|
18
|
17
|
17
|
20
|
16
|
26
|
27
|
24
|
30
|
23
|
16
|
14
|
14
|
11
|
13
|
14
|
12
|
12
|
17
|
16
|
17
|
18
|
24
|
28
|
|
|
2025/08
|
28
|
21
|
20
|
19
|
17
|
19
|
24
|
28
|
26
|
27
|
25
|
27
|
17
|
15
|
12
|
16
|
19
|
16
|
21
|
14
|
17
|
25
|
28
|
28
|
20
|
17
|
15
|
17
|
15
|
14
|
21
|
|
2025/07
|
20
|
15
|
19
|
17
|
16
|
15
|
15
|
30
|
24
|
16
|
11
|
18
|
24
|
20
|
30
|
34
|
34
|
25
|
15
|
10
|
10
|
11
|
16
|
16
|
16
|
18
|
17
|
16
|
17
|
22
|
26
|
|
2025/06
|
29
|
28
|
13
|
15
|
27
|
29
|
37
|
36
|
18
|
19
|
20
|
12
|
15
|
20
|
18
|
16
|
24
|
22
|
19
|
19
|
17
|
18
|
21
|
23
|
25
|
24
|
21
|
18
|
23
|
21
|
|
|
2025/05
|
43
|
47
|
54
|
52
|
31
|
41
|
59
|
41
|
25
|
34
|
22
|
30
|
37
|
37
|
38
|
42
|
37
|
25
|
27
|
27
|
29
|
33
|
29
|
17
|
38
|
38
|
34
|
16
|
11
|
18
|
34
|
|
2025/04
|
15
|
23
|
31
|
39
|
51
|
46
|
52
|
55
|
64
|
32
|
42
|
53
|
98
|
82
|
74
|
57
|
60
|
59
|
49
|
23
|
37
|
41
|
25
|
19
|
8
|
11
|
24
|
32
|
39
|
42
|
|
|
2025/03
|
48
|
45
|
35
|
18
|
9
|
9
|
22
|
30
|
33
|
38
|
49
|
50
|
38
|
18
|
16
|
12
|
39
|
30
|
34
|
38
|
35
|
37
|
45
|
56
|
71
|
74
|
63
|
35
|
10
|
7
|
11
|
|
2025/02
|
35
|
17
|
7
|
32
|
37
|
35
|
26
|
47
|
28
|
41
|
33
|
58
|
33
|
42
|
46
|
51
|
40
|
62
|
31
|
18
|
11
|
15
|
9
|
22
|
52
|
58
|
54
|
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